SIST EN ISO 16119-4:2015
(Main)Agricultural and forestry machinery - Environmental requirements for sprayers - Part 4: Fixed and semi-mobile sprayers (ISO 16119-4:2014)
Agricultural and forestry machinery - Environmental requirements for sprayers - Part 4: Fixed and semi-mobile sprayers (ISO 16119-4:2014)
This standard specifies requirements and test methods for the design and performances of fixed and semi-mobile sprayers with respect to minimize the risk of environmental contamination. This standard applies in connection with ISO/DIS 16119-1:2010 which contains general requirements for pesticide application and liquid fertiliser applicators
Land- und Forstmaschinen - Umweltanforderungen an Pflanzenschutzgeräte - Teil 4: Fest installierte und teilbewegliche Geräte (ISO 16119-4:2014)
Matériel agricole et forestier - Exigences environnementales pour les pulvérisateurs - Partie 4: Pulvérisateurs fixes et semi-mobiles (ISO 16119-4:2014)
L'ISO 16119-4:2014 spécifie les exigences et les méthodes de vérification correspondantes pour la conception et les performances des pulvérisateurs fixes et semi-mobiles, tels que définis en 3.1 et 3.2, avec pour objectif de réduire les risques de contamination de l'environnement durant leur utilisation, y compris lors d'une mauvaise utilisation raisonnablement prévisible par le fabricant.
Ce type de système de pulvérisation est généralement composé d'une combinaison d'éléments séparés (cuve principale, pompe et unité d'application) dont l'assemblage permet de constituer des installations fixes (pulvérisateurs fixes) ou comprenant des éléments mobiles (pulvérisateurs semi-mobiles).
Elle ne concerne pas les équipements d'application pour les traitements des espaces.
Elle est prévue pour être utilisée conjointement avec l'ISO 16119‑1, qui donne les exigences générales applicables à tous les types de pulvérisateurs couverts par l'ISO 16119. Lorsque les exigences de l'ISO 16119-4:2014 diffèrent de celles énoncées dans l'ISO 16119‑1, les exigences de l'ISO 16119-4:2014 prennent le pas sur celles de l'ISO 16119‑1 pour les machines faisant partie du domaine d'application de l'ISO 16119-4:2014. L'ISO 16119-4:2014 ne couvre pas les aspects de sécurité (voir l'ISO 4254‑6).
L'ISO 16119-4:2014 n'est pas applicable aux pulvérisateurs qui sont fabriqués avant sa date de publication.
Kmetijski in gozdarski stroji - Okoljevarstvene zahteve za škropilnice - 4. del: Stalno nameščene in polprenosne škropilnice (ISO 16119-4:2014)
Ta standard določa zahteve in preskusne metode za projektiranje in delovanje stalno nameščenih in polprenosnih škropilnic v zvezi z zmanjšanjem tveganja za onesnaževanje okolja. Ta standard se uporablja v povezavi s standardom ISO/DIS 16119-1:2010, ki vsebuje splošne zahteve glede uporabe pesticidov in razpršilnikov tekočih gnojil.
General Information
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN ISO 16119-4:2015
01-februar-2015
.PHWLMVNLLQJR]GDUVNLVWURML2NROMHYDUVWYHQH]DKWHYH]DãNURSLOQLFHGHO
6WDOQRQDPHãþHQHLQSROSUHQRVQHãNURSLOQLFH ,62
Agricultural and forestry machinery - Environmental requirements for sprayers - Part 4:
Fixed and semi-mobile sprayers (ISO 16119-4:2014)
Land- und Forstmaschinen - Umweltanforderungen an Pflanzenschutzgeräte - Teil 4:
Fest installierte und teilbewegliche Geräte (ISO 16119-4:2014)
Matériel agricole et forestier - Exigences environnementales pour les pulvérisateurs -
Partie 4: Pulvérisateurs fixes et semi-mobiles (ISO 16119-4:2014)
Ta slovenski standard je istoveten z: EN ISO 16119-4:2014
ICS:
65.060.40 Oprema za nego rastlin Plant care equipment
SIST EN ISO 16119-4:2015 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN ISO 16119-4:2015
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SIST EN ISO 16119-4:2015
EUROPEAN STANDARD
EN ISO 16119-4
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2014
ICS 65.060.40
English Version
Agricultural and forestry machinery - Environmental
requirements for sprayers - Part 4: Fixed and semi-mobile
sprayers (ISO 16119-4:2014)
Matériel agricole et forestier - Exigences environnementales Land- und Forstmaschinen - Umweltanforderungen an
pour les pulvérisateurs - Partie 4: Pulvérisateurs fixes et Pflanzenschutzgeräte - Teil 4: Fest installierte und
semi-mobiles (ISO 16119-4:2014) teilbewegliche Geräte (ISO 16119-4:2014)
This European Standard was approved by CEN on 4 October 2014.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same
status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United
Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2014 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 16119-4:2014 E
worldwide for CEN national Members.
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SIST EN ISO 16119-4:2015
EN ISO 16119-4:2014 (E)
Contents Page
Foreword .3
Annex ZA (informative) Relationship between this European Standard and the Essential
Requirements of EC Directive 2009/127/EC amending 2006/42/EC .4
2
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SIST EN ISO 16119-4:2015
EN ISO 16119-4:2014 (E)
Foreword
This document (EN ISO 16119-4:2014) has been prepared by Technical Committee ISO/TC 23 "Tractors and
machinery for agriculture and forestry" in collaboration Technical Committee CEN/TC 144 “Tractors and
machinery for agriculture and forestry” the secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by June 2015, and conflicting national standards shall be withdrawn at
the latest by June 2015.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of EU Directive.
For relationship with EU Directive, see informative Annex ZA, which is an integral part of this document.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech
Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece,
Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.
Endorsement notice
The text of ISO 16119-4:2014 has been approved by CEN as EN ISO 16119-4:2014 without any modification.
3
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SIST EN ISO 16119-4:2015
EN ISO 16119-4:2014 (E)
Annex ZA
(informative)
Relationship between this European Standard and the Essential
Requirements of EC Directive 2009/127/EC amending 2006/42/EC
This European Standard has been prepared under a mandate given to CEN by the European Commission
and the European Free Trade Association to provide a means of conforming to Essential Requirements of the
New Approach Directive 2009/127/EC amending 2006/42/EC.
Once this standard is cited in the Official Journal of the European Union under that Directive and has been
implemented as a national standard in at least one Member State, compliance with the normative clauses of
this standard confers, within the limits of the scope of this standard, a presumption of conformity with the
relevant Essential Requirements of that Directive and associated EFTA regulations.
WARNING — Other requirements and other EC Directives may be applicable to the product(s) falling within
the scope of this standard.
4
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SIST EN ISO 16119-4:2015
INTERNATIONAL ISO
STANDARD 16119-4
First edition
2014-12-01
Agricultural and forestry
machinery — Environmental
requirements for sprayers —
Part 4:
Fixed and semi-mobile sprayers
Matériel agricole et forestier — Exigences environnementales pour les
pulvérisateurs —
Partie 4: Pulvérisateurs fixes et semi-mobiles
Reference number
ISO 16119-4:2014(E)
©
ISO 2014
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SIST EN ISO 16119-4:2015
ISO 16119-4:2014(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2014
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
the requester.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO 2014 – All rights reserved
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SIST EN ISO 16119-4:2015
ISO 16119-4:2014(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 List of significant hazards . 3
5 Requirements . 4
5.1 Pump/tank unit . 4
5.1.1 Static leaks . 4
5.1.2 Residual volume . 4
5.1.3 Spray tank(s) . 4
5.1.4 Pump . 6
5.1.5 Lines (hoses and pipes) . 7
5.1.6 Filters . 7
5.1.7 Measuring systems. 7
5.1.8 Provisions for connecting testing equipment . 8
5.2 Adjustment of the dose/volume application rate . 8
5.2.1 General. 8
5.2.2 Pressure adjustment devices . 8
5.2.3 Direct injection system (if provided) . 8
5.2.4 Calibration aids . 9
5.3 Application unit . 9
5.3.1 Controls . 9
5.3.2 Pressure drop . 9
5.3.3 Nozzles . 9
5.3.4 Horizontal spray boom .10
5.3.5 Vertical spray boom and other non-horizontal spray booms .11
5.3.6 Spray gun and lance .11
5.3.7 Autonomous application units .12
5.3.8 Control of spray drift .12
5.4 Cleaning .12
5.4.1 Rinsing water tank .12
5.4.2 Cleaning systems .13
5.5 Cleaning device for plant protection product containers .13
6 Verification .13
7 Marking .15
8 Instruction handbook .15
Annex A (normative) Backflow measurement method for agitation .16
Annex B (normative) Verification of pulsations of the pump .18
Bibliography .19
© ISO 2014 – All rights reserved iii
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SIST EN ISO 16119-4:2015
ISO 16119-4:2014(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the meaning of ISO specific terms and expressions related to conformity
assessment, as well as information about ISO’s adherence to the WTO principles in the Technical Barriers
to Trade (TBT) see the following URL: Foreword — Supplementary information.
ISO 16119-4 was prepared by the European Committee for Standardization (CEN) Technical Committee
CEN/TC 144, Tractors and machinery for agriculture and forestry, in collaboration with ISO Technical
Committee TC 23, Tractors and machinery for agriculture and forestry, Subcommittee SC 6, Equipment
for crop protection, in accordance with the Agreement on technical cooperation between ISO and CEN
(Vienna Agreement).
ISO 16119 consists of the following parts, under the general title Agricultural and forestry machinery —
Environmental requirements for sprayers:
— Part 1: General
— Part 2: Horizontal boom sprayers
— Part 3: Sprayers for bush and tree crops
— Part 4: Fixed and semi-mobile sprayers
iv © ISO 2014 – All rights reserved
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SIST EN ISO 16119-4:2015
ISO 16119-4:2014(E)
Introduction
The requirements of this part of ISO 16119 are based on the test methods given in ISO 5682-2:1997,
which were primarily developed for hydraulic sprayers. For other types of sprayers, other test methods
and/or test criteria may be needed and may be the subject of future investigation/revision of this part
of ISO 16119.
This document is a type C standard as stated in ISO 12100.
The machinery concerned and the extent to which hazards, hazardous situations and hazardous events
are covered are indicated in the scope of this document.
When provisions of this type C standard are different from those which are stated in type A or B
standards, the provisions of this type C standard take precedence over the provisions of the other
standards, for machines that have been designed and built according to the provisions of this type C
standard.
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SIST EN ISO 16119-4:2015
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SIST EN ISO 16119-4:2015
INTERNATIONAL STANDARD ISO 16119-4:2014(E)
Agricultural and forestry machinery — Environmental
requirements for sprayers —
Part 4:
Fixed and semi-mobile sprayers
1 Scope
This part of ISO 16119 specifies requirements and the means for their verification for the design and
performance of fixed and semi-mobile sprayers, as defined in 3.1 and 3.2, with regard to minimizing
the potential risk of environmental contamination during use, including misuse foreseeable by the
manufacturer.
This type of spraying system is generally a combination of separate elements (main tank, pump and
application unit) that can be assembled in fixed installations (fixed sprayers) or with moving parts
(semi-mobile sprayers).
It does not apply to application equipment for space/spatial treatments.
It is intended to be used with ISO 16119-1, which gives general requirements common to all the sprayer
types covered by ISO 16119. When requirements of this part of ISO 16119 are different from those stated
in ISO 16119-1, the requirements of this part of ISO 16119 take precedence over the requirements of
ISO 16119-1 for machines within the scope of this part of ISO 16119. This part of ISO 16119 does not
cover safety aspects (see ISO 4254-6).
This part of ISO 16119 is not applicable to sprayers manufactured before the date of its publication.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
EN 837-1, Pressure gauges – Part 1: Bourdon tube pressure gauges – Dimensions, metrology, requirements
and testing
ISO 4102:1984, Equipment for crop protection — Sprayers — Connection threading
ISO 4254-6:2009, Agricultural machinery — Safety — Part 6: Sprayers and liquid fertilizer distributors
ISO 4288:1996, Geometrical Product Specifications (GPS) — Surface texture: Profile method — Rules and
procedures for the assessment of surface texture
ISO 5681, Equipment for crop protection — Vocabulary
ISO 5682-1:1996, Equipment for crop protection — Spraying equipment — Part 1: Test methods for sprayer
nozzles
ISO 5682-2:1997, Equipment for crop protection — Spraying equipment — Part 2: Test methods for hydraulic
sprayers
ISO 5682-3:1996, Equipment for crop protection — Spraying equipment — Part 3: Test method for
volume/hectare adjustment systems of agricultural hydraulic pressure sprayers
© ISO 2014 – All rights reserved 1
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SIST EN ISO 16119-4:2015
ISO 16119-4:2014(E)
ISO 8169:1984, Equipment for crop protection — Sprayers — Connecting dimensions for nozzles and
manometers
ISO 9357:1990, Equipment for crop protection — Agricultural sprayers — Tank nominal volume and filling
hole diameter
ISO 9898:2000, Equipment for crop protection — Test methods for air-assisted sprayers for bush and tree
crops
ISO 13440:1996, Equipment for crop protection — Agricultural sprayers — Determination of the volume of
total residual
ISO 13457:2008, Agricultural irrigation equipment — Water-driven chemical injector pumps
ISO 16119-1:2013, Agricultural and forestry machinery — Environmental requirements for sprayers —
Part 1: General
ISO 16236, Crop protection equipment — Test method for the determination of drainable volume and its
concentration
ISO 19932-1:2013, Equipment for crop protection — Knapsack sprayers — Part 1: Safety and environmental
requirements
ISO 21278-1:2008, Equipment for crop protection — Induction hoppers — Part 1: Test methods
ISO 21278-2:2008, Equipment for crop protection — Induction hoppers — Part 2: General requirements
and performance limits
ISO 22368-1:2004, Crop protection equipment — Test methods for the evaluation of cleaning systems —
Part 1: Internal cleaning of complete sprayers
ISO 22368-3:2004, Crop protection equipment — Test methods for the evaluation of cleaning systems —
Part 3: Internal cleaning of tank
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 5681 and the following apply.
3.1
fixed sprayer
machine primarily for spraying plant protection products in covered structures, and where the
pump/tank unit (3.3) and/or application unit (3.4) do not move
3.2
semi-mobile sprayer
machine primarily for spraying plant protection products on crops grown in covered structures, and
where the pump/tank unit (3.3) and application unit (3.4) are separately moveable
3.3
pump/tank unit
device comprising at least the pump and the spray liquid tank
Note 1 to entry: They can be built together as one unit or separate units.
3.4
application unit
device consisting of one or more nozzles/spray generators with or without air-assistance, and used with
a separate pump/tank unit to which it is connected by a pipeline
Note 1 to entry: There are sprayers where the application unit moves in the crop rows or over the target
independently from the pump/tank unit and others where the application unit is stationary and the target is
moved.
2 © ISO 2014 – All rights reserved
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SIST EN ISO 16119-4:2015
ISO 16119-4:2014(E)
Note 2 to entry: The application unit can be a spray gun/lance or a horizontal and/or vertical spray boom. The
application unit can be equipped with a fan to provide air to transport the spray droplets to the target. The
application unit can be moved in the row or over the target (manually or motorized). The spray application
controls can be manual or automatic.
4 List of significant hazards
Table 1 specifies the significant hazards, the significant hazardous situations and significant hazardous
event(s) covered by this part of ISO 16119 that have been identified by risk assessment as being relevant
for this type of machine with regard to environmental contamination, and which require specific action
by the designer or manufacturer to eliminate or to reduce environmental contamination.
Attention is drawn to the necessity to verify that the environmental requirements specified in both
ISO 16119-1 and this part of ISO 16119 apply to each significant hazard presented by a given machine
and to validate that the risk assessment is complete.
Table 1 — List of significant hazards
Hazard Hazardous situation/event Subclause of
this part of ISO 16119
4.1 Spillages Filling 5.1.3.2; 8
Induction of plant protection 5.1.3.2; 5.5 ;8
product
4.2 Contamination of the water supply Filling 5.1.3.2; 5.5
4.3 Leakages Transport and application 5.1.1; 5.1.3.2; 5.1.5
4.4 Overfilling Filling 5.1.3.2; 5.1.3.4; 8
4.5 Dispersal of spray mix residues or Drainage 5.1.2; 5.1.3.3; 5.1.3.4; 8
plant protection products
Cleaning and rinsing 5.1.3.1;5.1.6; 5.4; 5.5; 8
4.6 Accidental leakages Accidental opening of tank outlet 5.1.3.3
4.7 Over-dosing Heterogeneous mixing 5.1.3.5; 5.1.4;5.2.3; 8
Overlapping 5.3.4.1; 5.3.5.1
Sprayer adjustment / control 5.1.3.4; 5.1.8; 5.2; 5.3.4.2;
5.3.3; 5.3.6; 5.3.7; 8
Sprayer maintenance / service 5.1.8; 7; 8
Unintended deposition 5.3.4.1; 5.3.4.3; 5.3.3; 5.3.6;
5.3.7.1
Direct Injection system 5.2.3
4.8 Unintended spraying outside the Deposition outside the target 5.3.4.1; 5.3.5.1; 5.3.8
target area area
Spraying stop control 5.1.8; 5.3.6; 5.3.7.1
4.9 Drift Spraying 5.3.4.1; 5.3.5.1; 5.3.8
4.10 Dispersal of spray mix Intervention on the sprayer dur- 5.1.6; 5.1.7; 7; 8
ing application or service
4.11 Dripping Spraying stop control 5.3.3
© ISO 2014 – All rights reserved 3
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SIST EN ISO 16119-4:2015
ISO 16119-4:2014(E)
5 Requirements
5.1 Pump/tank unit
5.1.1 Static leaks
With the spray tank filled to its nominal capacity and placed on a horizontal surface (in the case of non-
fixed installations) and without running the pump, there shall be no leakage from the tank, pump and
associated pipes.
5.1.2 Residual volume
The volume of total residual as defined in ISO 13440:1996, 2.1 shall not exceed:
— 4 % of the nominal tank volume for a tank volume of less than 400 l;
— 3 % of the nominal tank volume for a tank volume of between 400 l (included) and 1 000 l (included);
— 2 % for a tank volume of more than 1 000 l.
The volume of total residual shall be determined in accordance with ISO 13440.
5.1.3 Spray tank(s)
5.1.3.1 Surfaces
The depth of roughness, Rz, (see ISO 4287) of the inner walls of the spray tank shall be such that
Rz ≤ 100 μm, measured according to ISO 4288.
For semi-mobile sprayers, this requirement applies also for the outer walls of the spray tank.
5.1.3.2 Filling
5.1.3.2.1 Semi-mobile sprayers
Filling devices shall be designed to avoid any return of liquid from the spray tank to the filling supply.
The filling hole diameter shall comply with ISO 9357. The opening lid shall seal sufficiently to prevent
leakage/spillage when closed, both with the strainer in position and removed. The lid shall be lockable
to avoid unexpected opening. If a vent is provided in the lid, spillage shall be avoided.
The total tank volume shall be at least 5 % more than the nominal volume, to prevent spillage as a result
of overfilling. Tanks with a nominal volume greater than 200 l shall have a nominal volume which is a
multiple of 100 l.
Strainers shall be installed in filling openings and shall have a mesh size less than 2 mm. Any gap(s)
between the tank filling hole and the strainer shall not exceed 2 mm (see Figure 1).
Strainers shall have a minimum depth, d, as given in Table 2 and measured according to Figure 1.
The filling capacity of the tank with strainer when filled with water shall be at least 100 l/min for tanks
with a nominal volume of 100 l or more. For tanks with a nominal volume of less than 100 l, it shall be
possible to fill the tank within 1 min.
Induction hoppers, if any, shall comply with ISO 21278-2.
4 © ISO 2014 – All rights reserved
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SIST EN ISO 16119-4:2015
ISO 16119-4:2014(E)
Table 2 — Minimum depth of strainers
a
Nominal tank capacity Minimum depth
C d
l mm
C ≤ 150 60
150 < C ≤ 400 100
400 < C ≤ 600 150
C > 600 250
a
Measured from the upper edge of the strainer down to its bottom.
Dimensions in millimetres
Key
d Minimum depth
Figure 1 — Determination of the depth of the strainer and width of gap(s)
5.1.3.2.2 Fixed sprayers
Filling devices shall be designed to avoid any return of liquid from the tank to the filling supply.
A tank cover shall be present to prevent objects falling in. The tank cover may be provided with a filli
...
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Land- und Forstmaschinen - Umweltanforderungen an Pflanzenschutzgeräte - Teil 4: Fest installierte und teilbewegliche Geräte (ISO/FDIS 16119-4:2014)Matériel agricole et forestier - Exigences environnementales pour les pulvérisateurs - Partie 4: Pulvérisateurs fixes et semi-mobiles (ISO/FDIS 16119-4:2014)Agricultural and forestry machinery - Environmental requirements for sprayers - Part 4: Fixed and semi-mobile sprayers (ISO/FDIS 16119-4:2014)65.060.40Oprema za nego rastlinPlant care equipmentICS:Ta slovenski standard je istoveten z:FprEN ISO 16119-4kSIST FprEN ISO 16119-4:2014en01-oktober-2014kSIST FprEN ISO 16119-4:2014SLOVENSKI
STANDARD
kSIST FprEN ISO 16119-4:2014
© ISO 2014Agricultural and forestry machinery — Environmental requirements for sprayers —Part 4: Fixed and semi-mobile sprayersMatériel agricole et forestier — Exigences environnementales pour les pulvérisateurs —Partie
zã Pulvérisateurs
Ôixes et semiæmobilesINTERNATIONAL STANDARDPlease see the administrative notes on page iiiReference numberISO/FDIS 16119-4:2014(E)ISO/FDIS16119-4ISO/TC 23/SC 6Secretariat: AFNORVoting begins on: 2014-0Voting terminates on: 2014-0RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT, WITH THEIR COMMENTS, NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE AND TO PROVIDE SUPPOR TING DOCUMENTATION.IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT INTERNATIONAL STANDARDS MAY ON OCCASION HAVE TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL TO BECOME STAN-DARDS TO WHICH REFERENCE MAY BE MADE IN NATIONAL REGULATIONS.FINALDRAFTkSIST FprEN ISO 16119-4:2014
ISO/FDIS 16119-4:2014(E) ii © ISO 2014 – All rights reservedCOPYRIGHT PROTECTED DOCUMENT©
ISO 2014All rights reservedä Unless otherwise speci Ðiedá no part of this publication may be reproduced or utilized otherwise in any form or by any meansá electronic or mechanicalá including photocopyingá or posting on the internet or an intranetá without prior written permissionä Permission can be requested from either ISO at the address below or ISOïs member body in the country of the requester.ISO copyright of ÐiceTel. + 41 22 749 01 11Fax + 41 22 749 09 47Eæmail copyright 7isoäorgWeb www.iso.orgPublished in SwitzerlandkSIST FprEN ISO 16119-4:2014
ISO/CEN PARALLEL PROCESSINGunder the CEN-lead mode of collaboration as de Ðined in the Vienna Agreementä The
Ðinal draft was established on the basis of comments received during a parallel enquiry on the draftäThis
Ðinal draft is hereby submitted to the ISO member bodies and to the CEN member bodies for a parallel twoæmonth approval vote in ISO and two month formal vote in CEN.Positive votes shall not be accompanied by comments.Negative votes shall be accompanied by the relevant technical reasons.ISO/FDIS 16119-4:2014(E) © ISO 2014 – All rights reserved iiikSIST FprEN ISO 16119-4:2014
ISO/FDIS 16119-4:2014(E) iv © ISO 2014 – All rights reservedContents PageForeword .v1 Scope .12 Normative references .1uTermsanddeÐinitions .2vListofsigniÐicanthazards .35 Requirements .45.1 Pump/tank unit .45.2 Adjustment of the dose/volume application rate .85.3 Application unit .95.4 Cleaning .135.5 Cleaning device for plant protection product containers .13xVeriÐication .137 Marking .158 Instruction handbook .15Annex A (normative)BackÐlowmeasurementmethodforagitation .17Annex B (normative)VeriÐicationofpulsationsofthepump .19Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EC Directive 2009/127/EC amending 2006/42/EC .20Bibliography .21kSIST FprEN ISO 16119-4:2014
ISO/FDIS 16119-4:2014(E)Forewordthrough ISO technical committeesä Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizationsá governmental and nonægovernmentalá in liaison with ISOá also take part in the workä electrotechnical standardizationäThe procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1.
In particular the different approval criteria needed for the different types of ISO documents should be notedä
This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rightsä ISO shall not be held responsible for identifying any or all such patent rightsä
Details of on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO speci Ðic terms and expressions related to conformity assessment, as well as information about ISO’s adherence to the WTO principles in the Technical Barriers
Foreword æ Supplementary informationISO
sCEN/TC 144, Tractors and machinery for agriculture and forestry, in collaboration with ISO Technical Committee TC 23, Tractors and machinery for agriculture and forestry, Subcommittee SC 6, Equipment for crop protection, in accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).ISO 16119 consists of the following parts, under the general title Agricultural and forestry machinery — Environmental requirements for sprayers:— Part 1: General— Part
xã Horizontal boom sprayers— Part
yã Sprayers for bush and tree crops— Part
zã Fixed and semiæmobile sprayers © ISO 2014 – All rights reserved vkSIST FprEN ISO 16119-4:2014
kSIST FprEN ISO 16119-4:2014
Agricultural and forestry machinery — Environmental requirements for sprayers —Part 4: Fixed and semi-mobile sprayers1 ScopeThis part of ISO
s x s s { speci Ðies requirements and the means for their veri Ðication for the design and performance of
Ðixed and semiæmobile sprayersá as de Ðined in 3.1 and 3.2á with regard to minimizing the potential risk of environmental contamination during useá including misuse foreseeable by the manufacturer.It is intended to be used with ISO
s x s s {æ sá which gives general requirements common to all the sprayer types covered by ISO
s x s s {ä When requirements of this part of ISO
s x s s { are different from those stated in ISO 16119-1, the requirements of this part of ISO 16119 take precedence over the requirements of ISO 16119-1 for machines within the scope of this part of ISO 16119. This part of ISO 16119 does not
This part of ISO
s x s s { is not applicable to sprayers manufactured before the date of its publicationä2 Normative referencesThe following documentsá in whole or in partá are normatively referenced in this document and are indispensable for its applicationä For dated referencesá only the edition cited appliesä For undated EN 837-1, Pressure gauges
Part
wã Bourdon tube pressure gauges
Dimensionsá metrologyá requirements and testingISO 4102:1984, Equipment for crop protection — Sprayers — Connection threadingISO 4254-6:2009, Agricultural
Part
|ã Sprayers and liquid fertilizer distributorsISO 4288:1996, Geometrical Product Speci Ôications
Surface textureã Pro Ôile m Rules and procedures for the assessment of surface textureISO 5681, Equipment for crop
VocabularyISO 5682-1:1996, Equipment for crop protection — Spraying equipment — Part 1: Test methods for sprayer nozzlesISO 5682-2:1997, Equipment for crop protection — Spraying equipment — Part 2: Test methods for hydraulic sprayersISO 5682-3:1996, Equipment for crop protection — Spraying equipment — Part 3: Test method for volume/hectare adjustment systems of agricultural hydraulic pressure sprayersFINAL DRAFT INTERNATIONAL STANDARD ISO/FDIS 16119-4:2014(E)© ISO 2014 – All rights reserved 1kSIST FprEN ISO 16119-4:2014
ISO/FDIS 16119-4:2014(E)ISO 8169:1984, Equipment for crop protection — Sprayers — Connecting dimensions for nozzles and manometersISO 9357:1990, Equipment for crop p Agricultural s Tank nominal volume and
Ôilling hole diameterISO 9898:2000, Equipment for crop p Test methods for airæassisted sprayers for bush and tree cropsISO 13440:1996, Equipment for crop p Agricultural s Determination of the volume of total residualISO 13457:2008, Agricultural irrigation
Waterædriven chemical injector pumpsISO 16119-1:2013, Agricultural and forestry machinery — Environmental requirements for sprayers — Part 1: GeneralISO 16236, Crop protection e Test method for the determination of drainable volume and its concentrationISO 19932-1:2013, Equipment for crop protection — Knapsack sprayers — Part 1: Safety and environmental requirementsISO 21278-1:2008, Equipment for crop protection — Induction hoppers — Part 1: Test methodsISO 21278-2:2008, Equipment for crop protection — Induction hoppers — Part 2: General requirements and performance limitsISO 22368-1, Crop protection equipment — Test methods for the evaluation of cleaning systems — Part 1: Internal cleaning of complete sprayersISO 22368-3:2004, Crop protection equipment — Test methods for the evaluation of cleaning systems — Part 3: Internal cleaning of tankuTermsanddeÐinitionsFor the purposes of this documentá the terms and de Ðinitions given in ISO
w x z s and the following applyä3.1Ðixedsprayermachine primarily for spraying plant protection products in covered structuresá and where the pump/tank unit (3.3) and/or application unit (3.4) do not move3.2semi-mobile sprayermachine primarily for spraying plant protection products on crops grown in covered structuresá and where the pump/tank unit (3.3) and application unit (3.43.3pump/tank unitdevice comprising at least the pump and the spray liquid tankNote
s to entryã They can be built together as one unit or separate unitsä3.4application unitNote
s to entryã There are sprayers where the application unit moves in the crop rows or over the target moved. 2 © ISO 2014 – All rights reservedkSIST FprEN ISO 16119-4:2014
ISO/FDIS 16119-4:2014(E)Note
t to entryã Tapplication unit can be equipped with a fan to provide air to transport the spray droplets to the targetä The controls can be manual or automatic.vListofsigniÐicanthazardsTable 1 speci Ðies the signi Ðicant hazardsá the signi Ðicant hazardous situations and signi Ðicant hazardous
s x s s { that have been identi Ðied by risk assessment as being relevant for this type of machine with regard to environmental contaminationá and which require speci Ðic action by the designer or manufacturer to eliminate or to reduce environmental contaminationäAttention is drawn to the necessity to verify that the environmental requirements speci Ðied in both ISO
s x s s {æ s and this part of ISO
s x s s { apply to each signi Ðicant hazard presented by a given machine and to validate that the risk assessment is complete.TablesListofsigniÐicanthazards HazardHazardousSubclause of
this part of ISO 161194.1SpillagesFilling5.1.3.2; 8Induction of plant protection product5.1.3.2; 5.5 ;84.2Contamination of the water sup-plyFilling5.1.3.2; 5.54.3LeakagesTransport and application5.1.1; 5.1.3.2; 5.1.54.4Over ÐillingFilling5.1.3.2; 5.1.3.4; 84.5Dispersal of spray mix residues or plant protection productsDrainage5.1.2; 5.1.3.3; 5.1.3.4; 8Cleaning and rinsing5.1.3.1;5.1.6; 5.4; 5.5; 84.6Accidental leakagesAccidental opening of tank outlet5.1.3.34.7Over-dosingHeterogeneous mixing5.1.3.5; 5.1.4;5.2.3; 8Overlapping5.3.4.1; 5.3.5.15.1.3.4; 5.1.8; 5.2; 5.3.4.2; 5.3.3; 5.3.6; 5.3.7; 8-vice5.1.8; 7; 8Unintended deposition5.3.4.1; 5.3.4.3; 5.3.3; 5.3.6; 5.3.7.1Direct Injection system5.2.34.8Unintended spraying outside the target areaDeposition outside the target area5.3.4.1; 5.3.5.1; 5.3.8Spraying stop control5.1.8; 5.3.6; 5.3.7.14.9DriftSpraying5.3.4.1; 5.3.5.1; 5.3.84.10Dispersal of spray mixIntervention on the sprayer during application or service5.1.6; 5.1.7; 7; 84.11DrippingSpraying stop control5.3.3 © ISO 2014 – All rights reserved 3kSIST FprEN ISO 16119-4:2014
ISO/FDIS 16119-4:2014(E)5 Requirements5.1 Pump/tank unit5.1.1 Static leaksWassociated pipes.5.1.2 Residual volumeThe volume of total residual as de Ðined in ISO
s u v v rã s { { xá
tä s shall not exceedã— 4 % of the nominal tank volume for a tank volume of less than 400 l;— 3 % of the nominal tank volume for a tank volume of between 400 l (included) and 1 000 l (included);— 2 % for a tank volume of more than 1 000 l.The volume of total residual shall be determined in accordance with ISO 13440.5.1.3 Spray tank5.1.3.1 SurfacesThe depth of roughness, Rz
v Rz
¶
s r r
v t z zäFor semiæmobile sprayersá this requirement applies also for the outer walls of the spray tankä5.1.3.2 Filling5.1.3.2.1 Semi-mobile sprayersFilling devices shall be designed to avoid any return of liquid from the spray tank to the
Ðilling supplyäThe
Ðilling hole diameter shall comply with ISO
{ u w yä The opening lid shall seal suf Ðiciently to prevent leakage/spillage when closed, both with the strainer in position and removed. The lid shall be lockable to avoid unexpected opening. If a vent is provided in the lid, spillage shall be avoided.The total tank volume shall be at least 5 % more than the nominal volume, to avoid spillage as a result of over Ðillingä Tanks with a nominal volume greater than
t r r l shall have a nominal volume which is a multiple of 100 l.Strainers shall be installed in
Ðilling openings and shall have a mesh size less than
t mbetween the tank
Ðilling hole and the strainer shall not exceed
t Figure 1).Strainers shall have a minimum depth, dá as given in Table 2 and measured according to Figure 1.The
Ðilling capacity of the tank with strainer when
Ðilled with water shall be at least
s r r lwith a nominal volume of 100 l or more. For tanks with a nominal volume of less than 100 l, it shall be possible to
Ðill the tank within
s minäInduction hoppersá if anyá shall comply with ISO
t s t y zæ tä 4 © ISO 2014 – All rights reservedkSIST FprEN ISO 16119-4:2014
ISO/FDIS 16119-4:2014(E)Table 2 — Minimum depth of strainersNominal tank capacityClMinimum depth a)dmmC
¶
s w r60150 < C
¶
v r r100400 < C
¶
x r r150C > 600250a) Measured from the upper edge of the strainer down to its bottom.Dimensions in millimetresKeydMinimum depthFigure 1 — Determination of the depth of the strainer and width of gap(s)5.1.3.2.2 Fixed sprayersFilling devices shall be designed to avoid any return of liquid from the tank to the
Ðilling supplyäA tank cover shall be present to prevent objects falling inä The tank cover may be provided with a
Ðilling holeä Any
Ðilling hole shall be designed in such a way that splashing and spillage of the spray liquid during
Ðilling is avoidedä The tank cover shall be lockable to avoid unexpected openingä © ISO 2014 – All rights reserved 5kSIST FprEN ISO 16119-4:2014
ISO/FDIS 16119-4:2014(E)Strainers shall be installed in
Ðilling openings and shall have a mesh size less than
t mbetween the tank
Ðilling hole and the strainer shall not exceed
t Figure 1).Strainers shall have a minimum depth, dá as given in Table 2 and measured according to Figure 1.The total tank volume shall be at least 5 % more than its nominal volume, to prevent spillage as a result of over Ðillingä Tanks with a nominal volume greater than
t r r l shall have a nominal volume which is a multiple of 100 l.The
Ðilling capacity of the tank when
Ðilled with water shall be at least
s r r lvolume of
s r r l or moreä For tanks with a nominal volume of less than
s r r lá it shall be possible to
Ðill the tank within 1 min.Induction hoppersá if anyá shall comply with ISO
t s t y zæ tä5.1.3.3 Tank emptying deviceAn emptying device in accordance with ISO
v t w væ xã t r r {á
wä vä u shall allow the complete emptying of the residual in the tank when the sprayer is in a horizontal positionä Complete emptying of the residual is considered to have been achieved when there are no visible puddles at the bottom of the tank after 5 min drainage.It shall be possible to collect the liquid at the outlet without contaminating the environment or equipment partá eägä staysäThe tank outlet shall be guarded against accidental opening.5.1.3.4 Tank contents indicator(s)The indication of contents shall correspond to ISO
{ u w yä It shall be durable and easily readable from where the tank is
ÐilledäThe acceptable tolerances of the indication are:a) ± 15 % for each graduation mark/read-out for volumes up to 10 % of the nominal tank volume;b) ± 7,5 % for each graduation mark/read-out for volumes from 10 % to 20 % of the nominal tank volume; andc) ± 5 % for each graduation mark/read-out for volumes above 20 % of the nominal tank volume.Other means of visually checking the contents of the tank are allowed if they achieve equivalent accuracyäThe tolerances shall be measured with a maximum error on measurement of
s
¨á with the sprayer in a horizontal positionä5.1.3.5 MixingTanks shall be designed (e.g. including agitators) to ensure an even concentration of mixture.The maximum allowable relative deviation is ± 15 %, tested in accordance with ISO 5682-2:1997, 8.9. When pump back Ðlow is necessary to meet this requirementá the minimum value to meet this requirement shall be measured according to Annex A and speci Ðied in the instruction handbookäNOTE Other procedures for measuring the homogeneity of the spray mixture can be usedá provided that the same accuracy is achievedä 6 © ISO 2014 – All rights reservedkSIST FprEN ISO 16119-4:2014
ISO/FDIS 16119-4:2014(E)5.1.4 PumpThe capacity of the pump shall be suited to the needs of the sprayerä The pump shall have suf Ðicient
Ðlow rate capacity in order to be able to spray within the operating limits speci Ðied in the sprayer instruction handbook and maintaining good mixing as speci Ðied in 5.1.3.5.The pump (including air chamber if present) shall not cause pulsations that exceed 5 % of the working pressure, measured on the application unit at nominal rotation speed of the pump at the intended working pressure.Veri Ðication method is given in Annex B.5.1.5 Lines (hoses and pipes)The bending radius of hoses shall be within the limits recommended by the hose manufacturerä Pipes and hoses shall not have any deformation which could disturb the liquid
ÐlowäPressure lines shall be equipped with quick-acting shut-off devices (e.g. tip-over lever valves.The maximum working pressure of hoses and the maximum working pressure of connecting devices shall be at least equal to the maximum working pressure of the circuit. See also ISO 16119-1:2013, Clause 6 h).5.1.6 FiltersSprayers equipped with a positive displacement pump shall have a suction
ÐilteräOn the pressure sideá the liquid
Ðlowing to the nozzles shall be
Ðiltered by means of central
Ðilters or
Ðilters in the lines of boom sectionsä These pressure
Ðilters shall be mounted on the application unit unless the application unit is a spray gun or lance when this requirement does not applyä The size of all
Ðilters shall correspond to the size of nozzles
Ðitted on the sprayeräThe operator shall be able to detect blockagesá for exampleá by an appropriate positioning of the central pressure
Ðilters and pressure indicatoräFilters shall be easily accessible and
Ðilter inserts shall be removableä For quick cleaningá the
Ðilter tissue of the insert shall be easily accessibleäIt shall be possibleá with the spray tank
Ðilled to its nominal volumeá to clean central
Ðilters without any spray liquid leaking out except for that which may be present in the
Ðilter casing and connected suction or pressure lines.5.1.7 Measuring systemsSprayers shall be
Ðitted with a pressure indicator complying with ISO
v t w væ xã t r r {á
wä wä A pressure indicator shall be present on the pump/tank unit.The accuracy of the pressure indicators shall be1):— ± 0,2 bar for working pressures between 1,0 bar (included) and 8 bar (included);— ± 0,5 bar for working pressures between 8 bar and 20 bar (included); and— ± 1 bar for working pressures more than 20 bar.1)
1 bar = 0,1 MPa = 0,1 N / mm2
= 105 N / m2. © ISO 2014 – All rights reserved 7kSIST FprEN ISO 16119-4:2014
ISO/FDIS 16119-4:2014(E)The pressure indicator shall be clearly readableä The pressure indication shall be stableä The scale of the pressure indicator shall be marked as follows: every
rá t bar for working pressures less than
w barâ every
sá r bar for working pressures between
w
every
tá r bar for working pressures more than
t r baräUnless otherwise speci Ðied in this part of ISO
s x s s {á each measuring system of the sprayerá eägä for
Ðlow r5.1.3.4), shall be measured within a maximum error of ± 5 % of the true value.5.1.8 Provisions for connecting testing equipmentMeans shall be provided to test the pressure indicator(s): o
v s r tâ or it shall be possible to dismount the pressure indicator from the sprayerá without the need to dismount other parts of the sprayeräMeans shall also be provided to connect a
Ðlow meter between the pump and the pressure regulator without damaging any hoses or removing the couplers from the hosesäIf the sprayer is equipped with a
Ðlow meterá the sprayer shall be equipped with a connecting device allowing the
Ðitting of a test
Ðlow meter without the need to dismount the sprayer
Ðlow meterä5.2 Adjustment of the dose/volume application rate5.2.1 GeneralThe maximum error for all the measurements speci Ðied in 5.2.2, shall be ± 2,5 %.5.2.2 Pressure adjustment devicesPressure adjustment devices shall maintain a constant working pressure at constant revolutions of the the working pressure shall return to its original value within ± 7,5 %.5.2.3 Direct injection system (if provided)For direct injection systemsá the following requirements shall applyã Water driven direct injection pumps shall comply with ISO
s u v w yä F The direct injection system shall employ meansá such as a check valveá to prevent spraying water passing through the direct injection system from entering the plant protection product tank. 8 © ISO 2014 – All rights reservedkSIST FprEN ISO 16119-4:2014
ISO/FDIS 16119-4:2014(E) It shall be possible to disassemble and clean those parts of the direct injection system subject to clogging by the plant protection product or by debris in the spraying waterä These parts may be
Ðitted with a sustainable
Ðiltration device accessible for the purpose of cleaningä The injection rate at any inlet pressure shall not deviate by more than ±
s r
¨ from that declared by the manufacturer. The drive water
Ðlow rate shall comply with the
Ðlow declared by the manufacturer within an allowable deviation of ± 10 %. Iother type of direct injection system deviate by more than ± 10 % from the requested and set mixing ratio declared by the manufacturerä Veri Ðication shall be made with the following three mixing ratios: the minimum mixing ratio declared by the manufacturerâ the maximum mixing ratio declared by the manufacturerâ a mixing ratio midway between i and iiä The concentration of applied plant protection product measured in the
Ðlow of spray mix after the plant protection products are injected shall be stable at the set mixing ratio and shall not vary more than ±10 % of this ratio.NOTE cIf separate mixing tanks are providedá they shall comply with 5.1.3.5.5.2.4 Calibration aids l and an accuracy of
¬
tá w
¨ and with a scale marked every
t r 5.3 Application unit5.3.1 ControlsA pressure indicator complying with requirements of 5.1.7shall be present on the application unit.If the application unit is a spray gun or lanceá see 5.3.6.5.3.2 Pressure dropThe pressure drop between the measuring point for spraying pressure on the application unit and at the
¨ of the pressure on the application unit.The pressures shall be measured with a calibrated pressure indicator.Veri Ðication shall be carried out by measurements performed at the maximum
Ðlow rate as indicated by the manufacturer in the instruction handbook.wäuäuNozzlesIt shall be possible to
Ðix nozzles in predetermined positionsá to ensure that the spray is correctly directedá by appropriate means such as markingá locking systems or mouldingsäWhen the spraying stop control has been activatedá there shall be no drippingä © ISO 2014 – All rights reserved 9kSIST FprEN ISO 16119-4:2014
ISO/FDIS 16119-4:2014(E)Veri Ðication of this requirement is by the following testä When the spraying stop control has been activatedá the dripping shall not exceed
t ml per nozzle during a period of
w miná starting
z s after the spraying stop has been activatedäIt shall be possible to measure the
Ðlow rate of each individual nozzleäThe
Ðlow rate of each individual nozzleá measured according to ISO
w x z tæ sá shall not deviate by more than
w
¨ from the data of the nominal
Ðlow rate tables provided with the sprayeräNOTE The requirements are based on the test methods given in ISO
w x z tæ sá primarily developed for hydraulic further investigation and possible amendment of this standard.wäuävHorizontalsprayboom5.3.4.1 Working and spraying section widthsIt shall be possible to adapt the working width of the horizontal spray boom to the width of the intended target by means of shutting off individual nozzles or sections of the boomä5.3.4.2 Height adjustmentIt shall be possible to adjust the minimum distance between the nozzles and the target according to the nozzle characteristicsäFor outdoor useá it shall be possible to adjust the distance between the nozzles and ground down to
rá w má except when the sprayer is designed for special applicationsäThe boom height shall be adjustableá either continuously or by increments not exceeding
rá s mäliquidâ for theseá howeverá dripping shall be minimizedäSpray booms shall be constructed in such a way that will ensure that the boom can be positioned parallel to the target area.When stationary on a level surfaceá the distance between the lower edges of the nozzles and the surface shall not vary more than
z cm or
rá v
¨ of the working widthá whatever is the highestä5.3.4.3 DistributionIf nozzles are used on a boom to provide a uniform spray in the horizontal directioná the transverse volume distribution shall be measured on a
s r r m
wof variation shall not exceed
y
¨ at one boom height and one pressure speci Ðied by the manufacturer for each set of the same nozzle type mounted on the boomä For other boom heights and pressures speci Ðied by the sprayer manufacturerá the coef Ðicient of variation shall not exceed
{
¨ä This shall be measured in accordance with ISO
w x z tæ t for speci Ðied boom heights and pressures onlyä The coef Ðicient of variation shall be calculated in accordance with ISO 5682-3.NOTE Other systems for measuring the transverse volume distribution are allowed if the same accuracy is achieved.For nozzles with overlapping spray patternsá this applies only for those parts of the boom where there is a total overlap.The
Ðlow rate of each nozzle when mounted on the spray boom shall not deviate mor
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