High-pressure water jet machines - Safety requirements - Part 1: Machines

This European Standard contains safety-related requirements for high pressure water jet machines with drives of all kinds (e.g. electric motor, internal combustion engine, air and hydraulic) in which pumps are used to generate pressure. This document deals with all significant hazards, hazardous situations and events arising during assembly, erection, operation and servicing relevant to high pressure water jet machines, when they are used as intended and under conditions of misuse which are reasonably foreseeable by the manufacturer.

Hochdruck - Wasserstrahlmaschinen - Sicherheitsanforderungen - Teil 1: Maschinen

Dieses Dokument enthält sicherheitsrelevante Anforderungen an Hochdruck-Wasserstrahlmaschinen mit Antrieben aller Art (z. B. Elektromotor, innerer Verbrennungsmotor, Luft und Hydraulik), in denen Pumpen eingesetzt werden, um Druck zu erzeugen. Dieses Dokument behandelt alle signifikanten Gefährdungen, Gefährdungssituationen und Gefährdungsereignisse, die während der Montage, des Aufbaus, des Betriebs und der Instandsetzung von Hochdruck-Wasserstrahlmaschinen auftreten, wenn sie bestimmungsgemäß und unter Bedingungen von durch den Hersteller vernünftigerweise vorhersehbaren Fehlanwendungen verwendet werden (siehe Anhang ZA). Alle Verweisungen auf Hochdruck-Wasserstrahlmaschinen in diesem Dokument umfassen Maschinen für eine oder mehrere der folgenden industriellen Anwendungen:
- Reinigung;
- Vorbereitung der Oberfläche;
- Materialabtrag;
- Anpassung von Beton;
- Schneiden.
ANMERKUNG 1 Liste der signifikanten Gefährdungen ist im informativen Anhang D angegeben.
Dieses Dokument gilt für alle mobilen und stationären Hochdruck-Wasserstrahlmaschinen, in denen der Wasserdruck durch einen Druckerzeuger/eine Pumpe erzeugt wird, deren zulässiger maximaler Betriebsdruck die im Anwendungsbereich von EN 60335 2 79:2012 festgelegte Obergrenze überschreitet.
ANMERKUNG 2 35 MPa ist derzeit die Obergrenze für von EN 60335 2 79:2012 behandelte Maschinen.
Dieses Dokument gilt nicht für:
- Anforderungen der Druckgeräterichtlinie 2014/68/EU;
Anmerkung 3 In einigen Fällen können bestimmte Teile im Anwendungsbereich dieser Richtlinie enthalten sein. Ihre Anwendung wird jedoch in diesem Dokument nicht behandelt.
- in EN 60335 2-54:2008, EN 60335 2 54:2008/A11:2012, EN 60335 2 54:2008/A11:2012/AC:2015, EN 60335 2 54:2008/A1:2015 und EN 60335 2 79:2012 behandelte Hochdruckreiniger;
ANMERKUNG 4 EN 60335 2 54:2008, EN 60335 2 54:2008/A11:2012, EN 60335 2 54:2008/A11:2012/AC:2015 und EN 60335 2 54:2008/A1:2015 gelten für Dampfreiniger für den Hausgebrauch. EN 60335 2 79:2012 gilt für Hochdruckreiniger mit einem Nenndruck von mindestens 2,5 MPa und höchstens 35 MPa sowie für Dampfreiniger und Teile von Heißwasser-Hochdruckreinigern mit einer Dampfphase und mit einer Kapazität von höchstens 100 l, einem Nenndruck von höchstens 2,5 MPa und Produkten mit einer Kapazität und einem Nenndruck von höchstens 5 MPa.
- zusätzliche Gefährdungen durch die Einbindung von Hochdruck-Wasserstrahlmaschinen in andere verfahrenstechnische Maschinen;
- spezifische Gefährdungen in Verbindung mit explosionsfähigen Atmosphären, dem Einsatz auf Schiffen oder Umgebungstemperaturen außerhalb des Bereichs zwischen 5 °C und 40 °C;
- Gefährdungen durch die Eigenschaften der für die Strahlerzeugung verwendeten Flüssigkeiten, außer durch Druck;
- Gefährdungen in Verbindung mit Antrieben oder spezifische Gefährdungen durch wärmeerzeugende Funktionen. Gefährdungen durch hohe Temperaturen berührbarer Oberflächen werden jedoch behandelt;
- Hochdruck-Wasserstrahlmaschinen, die vor dem Datum der Veröffentlichung dieses Dokuments als EN hergestellt wurden;
- Gefährdungen durch Lärmin Bezug auf die Deklaration der Geräuschemissionswerte in der Betriebsanleitung.
ANMERKUNG 5 Geräuschemissionsmessung und Geräuschemissionsangabe werden in einer zukünftigen Änderung dieses Dokuments behandelt.
Prüfungen nach diesem Dokument sind Typprüfungen, es sei denn, sie betreffen während der Serienherstellung durchgeführte (informative) Routineprüfungen.
ANMERKUNG 6 Routineprüfungen sind in informativen Anhang C festgelegt.
Die Übereinstimmung mit EN 1829 1 und EN 1829 2 bietet die vollständigen Anforderungen an Hochdruck-Wasserstrahlmaschinen.

Machines à jet d'eau à haute pression - Exigences de sécurité - Partie 1 : Machines

Le présent document contient des prescriptions de sécurité pour les machines à jet d'eau à haute pression avec des installations de tous types (par exemple moteur électrique, moteur à combustion interne, air et hydraulique) dans lesquelles les pompes sont utilisées pour produire de la pression. Le présent document traite tous les dangers significatifs, toutes les situations et tous les phénomènes dangereux significatifs se présentant pendant l'assemblage, le montage, la manouvre et la mise en service des machines à jet d'eau à haute pression, quand elles sont utilisées comme convenu et dans les conditions d'usage impropres qui sont raisonnablement prévisibles par le fabricant (voir Annexe ZA). Toutes les références aux machines à jet d'eau à haute pression dans le présent document incluent les machines destinées à une ou plusieurs des applications industrielles suivantes :
-   le nettoyage ;
-   la préparation de surface ;
-   le déplacement de matériel ;
-   le réajustement du béton ;
-   la découpe.
NOTE 1   La liste des phénomènes dangereux significatifs figure à l'Annexe informative D.
Le présent document s’applique aux machines à jet d’eau à haute pression, mobiles ou fixes, dans lesquelles la pression d’eau est produite par un générateur de pression ou une pompe, et dans lesquelles la pression de service maximale admissible est supérieure à la limite supérieure fixée par le domaine d’application de l’EN 60335-2-79:2012.
NOTE 2   La limite supérieure est couramment de 35 MPa (350 bar) pour les machines soumises à
l’EN 60335-2-79:2012.
Le présent document ne couvre pas :
-   les exigences au titre de la Directive 2014/68/UE sur les équipements sous pression ;
NOTE 3   Dans certains cas, des parties spécifiques peuvent relever du domaine de cette directive, mais leur application n’est pas traitée dans le présent document.
-   les machines à jet d’eau à haute pression faisant l’objet de l’EN 60335-2-54:2008, de l'EN 60335-2-54:2008/A11:2012, de l'EN 60335-2-54:2008+A11:2012/AC:2015, de l'EN 60335-2-54:2008/A1:2015 et de l'EN 60335-2-79:2012 ;
NOTE 4   L’EN 60335-2-54:2008, l'EN 60335-2-54:2008/A11:2012, l'EN 60335-2-54:2008+A11:2012/AC:2015, et l'EN 60335-2-54:2008/A1:2015 s’appliquent aux nettoyeurs vapeur destinés à un usage domestique. L’EN 60335-2-79:2012 s’applique aux nettoyeurs haute vapeur ayant une pression nominale comprise entre 2,5 MPa et 35 MPa, ainsi qu'aux nettoyeurs vapeur et aux parties de nettoyeurs vapeur haute pression incorporant un niveau de vapeur d'une capacité n’excédant pas 100 l, d'une pression nominale n’excédant pas 2,5 MPa, d'une capacité de production et d'une pression nominale n’excédant pas 5 MPa l.
-   les phénomènes dangereux additionnels dus à l’intégration de machines à jet d’eau à haute pression dans d’autres machines de processus technologiques ;
-   les risques spécifiques liés aux atmosphères explosives, à l’utilisation sur des bateaux ou à des températures ambiantes en dehors de l’échelle 5 °C à 40 °C ;
-   les phénomènes dangereux engendrés par la nature des liquides utilisés pour le jet, autres que ceux liés à la pression ;
-   les phénomènes dangereux engendrés par l’entraînement, ou les phénomènes dangereux spécifiques engendrés par toute fonction génératrice de chaleur. Cependant, les phénomènes dangereux engendrés par des surfaces accessibles à température élevée sont traités.
-   les machines à jet d’eau à haute pression fabriquées avant la date de publication de la présente norme EN ;
-   les phénomènes dangereux engendrés par le bruit, pour ce qui concerne la déclaration des valeurs des émissions de bruit dans les instructions.
NOTE 5   La mesure des émissions sonores et la déclaration du bruit seront traitées dans un prochain amendement au présent document.
Les

Visokotlačni stroji z vodnim curkom - Varnostne zahteve - 1. del: Stroji

General Information

Status
Published
Public Enquiry End Date
21-Nov-2018
Publication Date
26-Jan-2021
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
21-Jan-2021
Due Date
28-Mar-2021
Completion Date
27-Jan-2021

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SLOVENSKI STANDARD
SIST EN 1829-1:2021
01-marec-2021
Nadomešča:
SIST EN 1829-1:2010
Visokotlačni stroji z vodnim curkom - Varnostne zahteve - 1. del: Stroji
High-pressure water jet machines - Safety requirements - Part 1: Machines
Hochdruck - Wasserstrahlmaschinen - Sicherheitsanforderungen - Teil 1: Maschinen

Machines à jet d'eau à haute pression - Exigences de sécurité - Partie 1 : Machines

Ta slovenski standard je istoveten z: EN 1829-1:2021
ICS:
97.080 Aparati za čiščenje Cleaning appliances
SIST EN 1829-1:2021 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 1829-1:2021
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SIST EN 1829-1:2021
EN 1829-1
EUROPEAN STANDARD
NORME EUROPÉENNE
January 2021
EUROPÄISCHE NORM
ICS 43.180; 97.080 Supersedes EN 1829-1:2010
English Version
High-pressure water jet machines - Safety requirements -
Part 1: Machines

Machines à jet d'eau à haute pression - Exigences de Hochdruck-Wasserstrahlmaschinen -

sécurité - Partie 1 : Machines Sicherheitsanforderungen - Teil 1: Maschinen
This European Standard was approved by CEN on 9 November 2020.

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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, Romania, Serbia, 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: Rue de la Science 23, B-1040 Brussels

© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1829-1:2021 E

worldwide for CEN national Members.
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SIST EN 1829-1:2021
EN 1829-1:2021 (E)
Contents Page

European foreword ....................................................................................................................................................... 4

Introduction .................................................................................................................................................................... 5

1 Scope .................................................................................................................................................................... 6

2 Normative references .................................................................................................................................... 7

3 Terms and definitions ................................................................................................................................... 8

4 Safety requirements and/or measures ................................................................................................ 11

4.1 General ............................................................................................................................................................. 11

4.2 Requirements for high pressure water jet machine with intended exit of water

under high pressure .................................................................................................................................... 12

4.2.1 Replacement inserts ................................................................................................................................... 12

4.2.2 Safety devices to prevent excessive pressure .................................................................................... 12

4.2.3 Pressure indicator ....................................................................................................................................... 13

4.3 Mechanical requirements ......................................................................................................................... 13

4.3.1 Common requirements .............................................................................................................................. 13

4.3.2 Spraying devices ........................................................................................................................................... 13

4.3.3 High pressure lines ...................................................................................................................................... 15

4.3.4 Requirements for mobile machines ...................................................................................................... 15

4.4 Requirements for transport ..................................................................................................................... 15

4.5 Electrical requirements ............................................................................................................................. 15

4.6 Requirements for emergency stopping ................................................................................................ 15

4.7 Thermal requirements ............................................................................................................................... 16

4.8 Noise reduction ............................................................................................................................................. 16

4.8.1 Noise reduction at source by design ..................................................................................................... 16

4.8.2 Noise reduction by protective measures ............................................................................................. 17

4.9 Requirements for vibration with hand-held spraying devices .................................................... 17

4.10 Requirements for program controlled water jet machines .......................................................... 17

4.11 Marking the control devices ..................................................................................................................... 17

5 Verification of the safety requirements and/or measures ........................................................... 17

5.1 General ............................................................................................................................................................. 17

5.2 Hydrostatic pressure test .......................................................................................................................... 18

5.2.1 General ............................................................................................................................................................. 18

5.2.2 Testing of safety devices for preventing excessive pressure ....................................................... 18

5.2.3 Pressure indicator ....................................................................................................................................... 18

5.2.4 Hydrostatic pressure test of spraying devices .................................................................................. 18

5.3 Mechanical tests and/or visual inspection ......................................................................................... 18

5.3.1 General ............................................................................................................................................................. 18

5.3.2 Testing the stability of the high pressure water jet machine ....................................................... 19

5.4 Transport devices ........................................................................................................................................ 19

5.5 Electrical tests ............................................................................................................................................... 19

5.6 Testing of emergency stopping ............................................................................................................... 19

5.7 Thermal tests ................................................................................................................................................. 19

5.8 Vibration measurement ............................................................................................................................. 19

5.9 Testing of program controlled high pressure water jet machines ............................................. 19

5.10 Verification of markings ............................................................................................................................ 19

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SIST EN 1829-1:2021
EN 1829-1:2021 (E)

6 Information for use ...................................................................................................................................... 20

6.1 General ............................................................................................................................................................. 20

6.2 Marking and Warnings ............................................................................................................................... 22

6.2.1 General ............................................................................................................................................................. 22

6.2.2 Marking of the machine unit ..................................................................................................................... 22

6.2.3 Marking the safety devices ........................................................................................................................ 23

6.2.4 Marking the spraying devices .................................................................................................................. 23

6.2.5 Marking of pipelines .................................................................................................................................... 24

6.3 Additional warnings .................................................................................................................................... 24

Annex A (normative) Emission of vibration ..................................................................................................... 26

Annex B (informative) Vibration report ............................................................................................................ 39

Annex C (informative) Routine tests ................................................................................................................... 41

Annex D (informative) List of significant hazards ......................................................................................... 42

Annex ZA (informative) Relationship between this European Standard and the essential

requirements of Directive 2006/42/EC aimed to be covered ...................................................... 44

Bibliography ................................................................................................................................................................. 46

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SIST EN 1829-1:2021
EN 1829-1:2021 (E)
European foreword

This document (EN 1829-1:2021) has been prepared by Technical Committee CEN/TC 197 “Pumps”, 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 July 2021, and conflicting national standards shall be

withdrawn at the latest by July 2021.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN 1829-1:2010.
The main changes compared with the previous edition are as follows:
— general revision according to the state of the art;
— revision of the vibration test code requirements;

— deletion of previous normative Annex A on noise test code, which has been replaced by normative

annex on emission of vibration;

— addition of informative Annex B on vibration report and informative Annex C on routine testing;

— clarification of hydrostatic pressure testing;

— transfer of Clause 4 on the list of significant hazards to informative Annex D;

— update of Annex ZA in relation to Directive 2006/42/EC.

EN 1829, High-pressure water jet machines — Safety requirements, consists of the following parts:

— Part 1: Machines
— Part 2: Hoses, hose lines and connectors

This document has been prepared under a standardization request given to CEN by the European

Commission and the European Free Trade Association, and supports essential requirements of Directive

2006/42/EC.

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 organisations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia,

Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,

Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North

Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United

Kingdom.
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SIST EN 1829-1:2021
EN 1829-1:2021 (E)
Introduction

This document is a type-C standard as stated in EN ISO 12100:2010. This document is of relevance, in

particular, for the following stakeholder groups representing the market players with regard to

machinery safety:
— machine manufacturers (small, medium and large enterprises);

— health and safety bodies (regulators, accident prevention organizations, market surveillance etc.).

Others can be affected by the level of machinery safety achieved with the means of the document by the

above-mentioned stakeholder groups:
— machine users/employers (small, medium and large enterprises);

— machine users/employees (e.g. trade unions, organizations for people with special needs);

— service providers, e.g. for maintenance (small, medium and large enterprises).

The above-mentioned stakeholder groups have been given the possibility to participate at the drafting

process of this document. The machinery concerned and the extent to which hazards, hazardous

situations or hazardous events are covered are indicated in the scope of this document. When

requirements of this type-C standard are different from those which are stated in type-A or type-B

standards, the requirements of this type-C standard take precedence over the requirements of the other

standards for machines that have been designed and built according to the requirements of this type-C

standard.
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SIST EN 1829-1:2021
EN 1829-1:2021 (E)
1 Scope

This document contains safety-related requirements for high pressure water jet machines with drives of

all kinds (e.g. electric motor, internal combustion engine, air and hydraulic) in which pumps are used to

generate pressure. This document deals with all significant hazards, hazardous situations and events

arising during assembly, erection, operation and servicing relevant to high pressure water jet machines,

when they are used as intended and under conditions of misuse which are reasonably foreseeable by the

manufacturer (see Annex ZA). All references to high pressure water jet machines within this document

includes machines for one or more of the following industrial applications:
— cleaning;
— surface preparation;
— material removal;
— readjustment of concrete;
— cutting.
NOTE 1 List of significant hazards is given in informative Annex D.

This document applies to mobile and fixed high pressure water jet machines, in which the water pressure

is generated by a pressure generator/pump and in which the maximum allowable working pressure is

more than the upper limit fixed in the scope of EN 60335-2-79:2012.

NOTE 2 35 MPa is currently the upper limit for machines covered by EN 60335-2–79:2012.

This document does not cover:
— requirements of the Pressure Equipment Directive 2014/68/EU;

NOTE 3 In some cases, specific parts can be in the scope of that directive, but their application is not dealt with

in this document.
— high pressure cleaners which are dealt with in EN 60335-2-54:2008, EN 60335-2-

54:2008/A11:2012, EN 60335-2-54:2008/A11:2012/AC:2015, EN 60335-2-54:2008/A1:2015 and

EN 60335-2-79:2012;

NOTE 4 EN 60335-2–54:2008, EN 60335-2–54:2008/A11:2012, EN 60335-2–54:2008/A11:2012/AC:2015 and

EN 60335-2–54:2008A1:2015 applies to steam cleaners for household use. EN 60335-2–79:2012 applies to high

pressure cleaners having a rated pressure not less than 2,5 MPa and not exceeding 35 MPa, as well as steam cleaners

and those parts of hot water high pressure cleaners incorporating a steam stage which have a capacity not exceeding

100 l, a rated pressure not exceeding 2,5 MPa and a product of capacity and rated pressure not exceeding 5 MPa.

— additional hazards due to the incorporation of high pressure water jet machines into other process-

technology machines;

— specific hazards associated with explosive atmospheres, use on ships or ambient temperatures

outside the range 5 °C to 40 °C;

— hazard due to the nature of liquids used for jetting, other than that due to pressure;

— hazards associated with the drives or specific hazards due to any heat generation function. However,

the hazards due to high temperatures of touchable surfaces are dealt with;
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SIST EN 1829-1:2021
EN 1829-1:2021 (E)

— high pressure water jet machines which are manufactured before the date of its publication as EN;

— hazards due to noise for what concerns the declaration of noise emission values in the instructions.

NOTE 5 Noise emission measurement and noise declaration will be dealt with in an upcoming amendment to

this document.

Tests according to this document are type tests unless they relate to routine (informative) tests to be

carried out during series manufacture.
NOTE 6 Routine tests are described in informative Annex C.

Compliance with EN 1829-1 and EN 1829-2 provides the full requirements for high pressure water jet

machines.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

EN 614-1:2006+A1:2009, Safety of machinery — Ergonomic design principles — Part 1: Terminology and

general principles

EN 809:1998+A1:2009, Pumps and pump units for liquids — Common safety requirements

EN 809:1998+A1:2009/AC:2010, Pumps and pump units for liquids — Common safety requirements

EN 981:1996+A1:2008, Safety of machinery — System of auditory and visual danger and information

signals

EN 1829-2:2008, High-pressure water jet machines — Safety requirements — Part 2: Hoses, hose lines and

connectors

EN 12096:1997, Mechanical vibration — Declaration and verification of vibration emission values

EN 12162:2001+A1:2009, Liquid pumps — Safety requirements — Procedure for hydrostatic testing

EN 60204-1:2018, Safety of machinery — Electrical equipment of machines — Part 1: General requirements

EN 60335-2-79:2012, Household and similar electrical appliances — Safety — Part 2-79: Particular

requirements for high pressure cleaners and steam cleaners IEC 60335-2-79:2012)

EN 60529:1991, Degrees of protection provided by enclosures (IP code) (IEC 60529:1989)

EN 60529:1991/AC:2016-12, Degrees of protection provided by enclosures (IP code) (IEC 529:1989)

EN 60529:1991/A1:2000, Degrees of protection provided by enclosures (IP code)
(IEC 60529:1989/A1:1999)
EN 60529:1991/A2:2013, Degrees of protection provided by enclosures (IP code)
(IEC 60529:1989/A2:2013)

EN 60529:1991/A2:2013/AC:2019-02, Degrees of protection provided by enclosures (IP code)

(IEC 60529:1989/A2:2013/Cor1:2019)
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SIST EN 1829-1:2021
EN 1829-1:2021 (E)

EN ISO 5349-1:2001, Mechanical vibration — Measurement and evaluation of human exposure to hand-

transmitted vibration — Part 1: General requirements (ISO 5349-1:2001)

EN ISO 7010:2020, Graphical symbols — Safety colours and safety signs — Registered safety signs (ISO

7010:2019)

EN ISO 12100:2010, Safety of machinery — General principles for design — Risk assessment and risk

reduction (ISO 12100:2010)

EN ISO 13732-1:2008, Ergonomics of the thermal environment — Methods for the assessment of human

responses to contact with surfaces — Part 1: Hot surfaces (ISO 13732-1:2006)

EN ISO 13849-1:2015, Safety of machinery — Safety-related parts of control systems — Part 1: General

principles for design (ISO 13849-1:2015)

EN ISO 13857:2019, Safety of machinery — Safety distances to prevent hazard zones being reached by

upper and lower limbs (ISO 13857:2019)

EN ISO 17769-1:2012, Liquid pumps and installation — General terms, definitions, quantities, letter

symbols and units — Part 1: Liquid pumps (ISO 17769-1:2012)

EN ISO 20643:2008, Mechanical vibration — Hand-held and hand-guided machinery — Principles for

evaluation of vibration emission (ISO 20643:2005)

EN ISO 20643:2008/A1:2012, Mechanical vibration — Hand-held and hand-guided machinery —

Principles for evaluation of vibration emission Amendment 1: Accelerometer positions (ISO

20643:2005/Amd 1:2012)

IEC 62745:2017, Safety of machinery — Requirements for cableless control systems of machinery

3 Terms and definitions

For the purposes of this document, the terms and definitions given in EN ISO 12100:2010,

EN ISO 17769-1:2012 and the following apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— IEC Electropedia: available at http://www.electropedia.org/
— ISO Online browsing platform: available at https://www.iso.org/obp
3.1
high pressure water jet machine

machine with nozzle or other variable opening which allows water at high pressure together with any

additive (chemical and/or abrasive) to emerge as a free jet

Note 1 to entry: In general, high pressure water jet machines consist of a drive, a pressure generator, pipelines,

hose lines, spraying devices, safety devices, control and measurement devices.
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SIST EN 1829-1:2021
EN 1829-1:2021 (E)
3.2
program controlled high pressure water jet machine

machine characterised by spatial separation of the installation site of the pressure generator and the

workplace, by permanently installed high pressure lines between the installation site and one or more

workplaces having spraying devices incorporating start-up/shut-down of the system by means of

external switching mechanisms not activated by the operator of a spraying device

Note 1 to entry: In this context, the activation device of the spraying device is not considered to be a switching

mechanism.
3.3
drive

power unit consisting of electric motors, combustion engines, hydraulic motors, or air motors depending

on the application
3.4
pressure generator

unit to generate operating pressure and supply cleaning agent to the spraying device (e.g. pump,

intensifier)
3.5
high pressure line

pipeline or hose line in which the high pressure water is fed to the point of use

3.6
pipeline

pipe which is permanently fixed and operationally connected to pipe fittings or valves

3.7
hose
flexible, tubular semi-finished product consisting of several layers and inserts
Note 1 to entry: Hoses and hose lines are covered within EN 1829-2:2008.
3.8
hose line
hose mounted with appropriate fittings
Note 1 to entry: Hoses and hose lines are covered within EN 1829-2:2008.
3.9
spraying device
3.9.1
general

spraying device consisting of the activation devices, the spraying pipe, extension pipe or nozzle pipe as

well as the nozzle

Note 1 to entry: This also includes foot switches, foot valves with hose lines and spraying lances, spraying heads

and nozzle mounts.
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SIST EN 1829-1:2021
EN 1829-1:2021 (E)
3.9.2
hand-held spraying device

spraying device of which the recoil force is to be absorbed by the person activating the spraying device

Note 1 to entry: The activation mechanism can be separated from the spraying device for operating reasons in

the form of a foot switch (e.g. for spraying lances).
3.9.3
mechanically operated spraying device
spraying device of which the recoil force is absorbed by a mechanical restraint
3.10
activation device
3.10.1
dry shut-off device

device for hand-held spraying devices by which the feed of liquid to the high pressure nozzle is actuated

by opening or shutting a valve
Note 1 to entry: When shut no liquid exits the nozzle.
3.10.2
dump device

device for hand-held spraying devices where by opening or shutting of a valve the feed of liquid is directed

to a bypass pipe by which the generated pressure is limited by the means of the larger bypass nozzle

while the pipe to the high pressure nozzle is kept open
3.10.3
dump gun
hand-held spraying device in which the dump device is incorporated
3.11
safety device

device that automatically prevents any relevant critical parameter such as pressure or temperature being

exceeded
3.12
maximum allowable working pressure

pressure without consideration of the pressure peaks in the system up to which the machine is functional

and at which the machine may safely be run
3.13
operating temperature of the liquid
temperature of the liquid at any specified point
3.14
retooling

modification of the machines performance by using alternative components (e.g. replacement inserts and

alternative nozzles)
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SIST EN 1829-1:2021
EN 1829-1:2021 (E)
3.15
replacement inserts

changeable installation to a pressure generator, with pistons/plungers/seals/safety valves for different

diameters resulting in different displacements and pressures
3.16
pulsation damper
device to diminish the amplitude of pressure pulsations
3.17
test pressure

gauge pressure to which a part, component or pump is subjected for the purpose of strength or leak

testing
3.18
cleaning agent

water with or without the addition of gaseous, soluble or miscible detergent or solid abrasive

3.19
two hand device

device requiring at least simultaneous operation by both hands in order to activate and use the high-

pressure operation of the machine
3.20
safety pressure
pressure at which the safety device of the system must activate
3.21
normal operation

conditions under which the machine is operated in normal use. It denotes the operation at which the

drive is set at maximum power, the pressure is set at the maximum allowable working pressure, with the

appropriate nozzle and hose line fitted

Note 1 to entry: All strainers and filters are in a clean operating condition, if applicable. The water heater, if fitted,

is operated at maximum power.
4 Safety requirements and/or measures
4.1 General

Machinery shall comply with the safety requirements and/or protective measures of this clause.

Pumps and pump units shall conform to EN 809:1998+A1:2009, EN 809:1998+A1:2009/AC:2010.

If fixed guards are used, their fixing systems shall remain attached to the guards or to the machinery when

the guards are removed.

In addition, the machine shall be designed according to the principles of EN ISO 12100 for relevant but

not significant hazards which are not dealt with by this document.
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SIST EN 1829-1:2021
EN 1829-1:2021 (E)

4.2 Requirements for high pressure water jet machine with intended exit of water under

high pressure
4.2.1 Replacement inserts

For pressure generators/pumps with replacement inserts, provisions shall be made to indicate the

mounted status in a clearly visible position.
4.2.2 Safety devices to prevent excessive pressure

The machine shall have a safety device which prevents the maximum allowable working pressure from

being exceeded by more than 15 % or in the case of machines with pulsation dampers by more than 10 %.

It shall not be possible to switch off this safety device and it shall be designed and positioned in such a

way that it cannot be made inoperative.

The adjustment of the safety device shall be secured such that unauthorised changes are deterred by

means such as a seal or tamperproof device.

Safety devices shall be designed and positioned in such a way that persons cannot be i

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