SIST EN 1953:2014
(Main)Atomising and spraying equipment for coating materials - Safety requirements
Atomising and spraying equipment for coating materials - Safety requirements
This European Standard deals with all significant hazards, hazardous situations and events which are relevant for both manual and automatic atomising and spraying equipment for application of coating materials on workpieces. In this standard, the term “machine” is used equivalently to “atomising and spraying equipment” and “applicator”. Together with this standard, EN 50050, EN 50059, EN 50176, EN 50177 or EN 50348 give requirements for electrostatic applicators. The specific significant risks related to the use of this machinery with foodstuffs and pharmaceutical products are not dealt with in this standard. This standard is only applicable to machinery which is used as intended. It also covers hazards arising from conditions which are reasonably foreseeable by the manufacturer. Applicators can consist of the following parts: - atomising or spraying system; - trigger; - filter; - swivel joint; - safety and control systems; - non-pressurised gravity or siphon feed cup. This European Standard is not applicable to: - applicators designed for operating pneumatic pressure above 15 bar; - non-atomising equipment (e.g. extruding equipment, dispenser); - fluidised bed powder coating machinery; - equipment for the automated application of flock; - spray guns covered by EN 50580; - supply hoses and ducts; - high-pressure cleaner equipped with high pressure water jet machines according to EN 1829-1; - airbrushes for graphic and artistic works; - machinery for the supply and circulation of coating materials under pressure according to EN 12621; - water-jet cutters; This standard is not applicable to machinery manufactured before the date of its publication as a European Standard.- automated devices like robots or reciprocators (EN ISO 10218-1). This standard is not applicable to machinery manufactured before the date of its publication as a European Standard.
Spritz- und Sprühgeräte für Beschichtungsstoffe - Sicherheitsanforderungen
Diese Europäische Norm behandelt alle signifikanten Gefährdungen, Gefährdungssituationen und Gefährdungsereignisse handgeführter und automatischer Spritz- und Sprühgeräte zum Auftragen von Beschichtungsstoffen auf Werkstücken.
Der Begriff „Maschine“ wird in dieser Norm äquivalent zu den Begriffen „Spritz- und Sprühgeräte“ und „Auftragseinrichtung“ verwendet.
Zusammen mit dieser Norm, geben EN 50050, EN 50059, EN 50176, EN 50177 oder EN 50348 Anforderungen für elektrostatische Auftragseinrichtungen.
Die spezifischen signifikanten Risiken in Zusammenhang mit der Verwendung dieser Maschine mit Lebensmitteln und pharmazeutischen Erzeugnissen werden in dieser Norm nicht behandelt.
Diese Norm gilt ausschließlich für Maschinen, die bestimmungsgemäß verwendet werden. Die Norm berücksichtigt auch Gefährdungen die unter Bedingungen entstehen die vom Hersteller vernünftigerweise vorhersehbar sind.
Auftragseinrichtungen können aus folgenden Teilen bestehen:
- Spritz- oder Sprühsystem,
- Abzugshebel oder -bügel,
- Filter,
- Drehgelenk,
- Sicherheitssysteme und Steuerungen,
- Drucklose Fließ- oder Saugbecher.
Diese Europäische Norm gilt nicht für:
- Auftragseinrichtungen, die für pneumatische Betriebsdrücke von mehr als 15 bar ausgelegt sind,
- nicht zerstäubende Spritzgeräte (z.B. Extrudiergeräte, Dispenser),
- elektrostatische Fluidisierbett-Pulverbeschichtungsanlagen,
- Geräte für automatisches Beflocken,
- durch EN 50580 abgedeckte Spritzpistolen,
- Versorgungsschläuche und -leitungen,
- Hochdruckreiniger mit Hochdruckwasserstrahlmaschinen nach EN 1829-1,
- Air-Brush Pistolen für grafische und künstlerische Arbeiten,
- Förder- und Umlaufanlagen für Beschichtungsstoffe unter Druck nach EN 12621,
- Wasserstrahlschneidgeräte,
- Automatisierungseinrichtungen wie Roboter oder Bewegungseinrichtungen (EN ISO 10218-1).
Diese Norm gilt nicht für Maschinen, die vor Veröffentlichung dieser Europäischen Norm hergestellt wurden.
Equipements d'atomisation et de pulvérisation pour produits de revêtement - Exigences de sécurité
La présente Norme européenne traite de tous les phénomènes dangereux, situations et événements dangereux significatifs pertinents pour les équipements d'atomisation et de pulvérisation manuels et automatiques pour l'application de produits de revêtement sur des pièces.
Dans la présente norme, le terme « machine » est utilisé de manière équivalente à « équipement d'atomisation et de pulvérisation » et « applicateur ».
Outre cette norme, l'EN 50050, l'EN 50059, l'EN 50176, l'EN 50177 ou l'EN 50348 fournissent des prescriptions pour les applicateurs électrostatiques.
Les risques significatifs spécifiques relatifs à l’utilisation de ces machines pour les produits pharmaceutiques et les aliments ne sont pas traités dans la présente norme.
La présente norme s'applique uniquement aux machines qui sont utilisées selon l’usage prévu. Elle couvre également les phénomènes dangereux pouvant survenir de conditions raisonnablement prévisibles par le fabricant.
Les applicateurs peuvent être constitués des pièces suivantes :
- système d'atomisation ou de pulvérisation ;
- gâchette ;
- filtre ;
- raccord tournant ;
- systèmes de sécurité et de commande ;
- godet pour alimentation sans pression, par siphon ou gravité.
La présente Norme européenne ne s’applique pas aux machines suivantes :
- applicateurs conçus pour une pression pneumatique de service supérieure à 15 bar ;
- équipements non atomisants (par exemple équipement d'extrusion, distributeur) ;
- machines d'enduit à lit fluidisé de poudre ;
- équipements à floquer ;
- pistolets couverts par l'EN 50580 ;
- tuyaux et conduites d'alimentation ;
- nettoyeurs haute-pression équipés de machines à jet d'eau à haute pression conformes à l'EN 1829 1 ;
- pistolets aérostyles pour artistes et graphistes ;
- équipements pour l'alimentation et la circulation de produit de revêtement sous pression conformes à l'EN 12621 ;
- machines de découpe à jet d'eau ;
- dispositifs automatisés tels que robots ou appareils à mouvement de va-et-vient (EN ISO 10218-1).
La présente norme ne s'applique pas aux machines fabriquées avant la date de sa publication en tant que Norme européenne.
Razprševalna in brizgalna oprema za prekrivne materiale - Varnostne zahteve
Ta evropski standard obravnava vse večje nevarnosti, nevarne razmere in dogodke, ki so pomembni tako za ročno kot tudi za avtomatsko opremo za razprševanje in pršenje premaznih sredstev na obdelovance. V tem standardu se izraz »stroj« uporablja enakovredno za »opremo za razprševanje in pršenje« in za »naprave za nanašanje«. Skupaj s tem standardom standardi EN 50050, EN 50059, EN 50176, EN 50177 ali EN 50348 določajo zahteve za elektrostatične naprave za nanašanje. Ta standard ne zajema posebnih znatnih tveganj, povezanih z uporabo teh strojev z živili in farmacevtskimi izdelki. Ta standard se uporablja le za stroje, ki se uporabljajo v skladu z njihovim namenom. Prav tako zajema nevarnosti, ki se pojavijo ob pogojih, ki jih proizvajalec upravičeno pričakuje. Naprave za nanašanje so sestavljene iz naslednjih delov: – sistem za razprševanje ali pršenje; – sprožilec; – filter; – vrtljiv zglob; – varnostni in kontrolni sistemi; – gravitacijska posoda za barvo, ki ni pod tlakom, ali sifonska posoda za barvo. Ta evropski standard se ne uporablja za: – naprave za nanašanje, zasnovane za delovanje pri pnevmatskem tlaku nad 15 barov; – opremo, ki ni namenjena razprševanju (npr. oprema za iztiskanje, točilne naprave); – stroje za barvanje s potapljanjem v prah; – opremo za samodejno kosmičenje; – pištole za barvanje, ki jih zajema standard EN 50580; – oskrbne cevi in vode; – visokotlačne čistilce, opremljene s stroji za visokotlačne vodne curke v skladu s standardom EN 1829-1; – zračne čopiče za grafiko ali umetniška dela; – stroje za dobavo in kroženje premaznih materialov pod tlakom v skladu s standardom EN 12621; – rezalnike za rezanje z vodnim curkom. Ta standard se ne uporablja za stroje, proizvedene pred datumom objave tega standarda kot evropskega standarda; – avtomatizirane naprave, kot so roboti ali robotske naprave (EN ISO 10218-1). Ta standard se ne uporablja za stroje, ki so bili proizvedeni pred objavo tega dokumenta kot evropskega standarda.
General Information
Relations
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Razprševalna in brizgalna oprema za prekrivne materiale - Varnostne zahteveSpritz- und Sprühgeräte für Beschichtungsstoffe - SicherheitsanforderungenEquipements d'atomisation et de pulvérisation pour produits de revêtement - Exigences de sécuritéAtomising and spraying equipment for coating materials - Safety requirements87.100Oprema za nanašanje premazovPaint coating equipmentICS:Ta slovenski standard je istoveten z:EN 1953:2013SIST EN 1953:2014en,fr,de01-januar-2014SIST EN 1953:2014SLOVENSKI
STANDARDSIST EN 1953:2000+A1:20101DGRPHãþD
SIST EN 1953:2014
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 1953
September 2013 ICS 87.100 Supersedes EN 1953:1998+A1:2009English Version
Atomising and spraying equipment for coating materials - Safety requirements
Equipements d'atomisation et de pulvérisation pour produits de revêtement - Exigences de sécurité
Spritz- und Sprühgeräte für Beschichtungsstoffe - Sicherheitsanforderungen This European Standard was approved by CEN on 19 July 2013.
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
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1953:2013: ESIST EN 1953:2014
EN 1953:2013 (E) 2 Contents Page Foreword . 4 Introduction . 5 1 Scope. 6 2 Normative references . 7 3 Terms and definitions . 8 4 Hazards . 10 5 Safety requirements and/or measures . 12 5.1 General . 12 5.2 Safety requirements against mechanical hazards . 12 5.2.1 Crushing, shearing and pinching . 12 5.2.2 Mechanical strength . 12 5.2.3 Ejection of fluids (not for powder and flock applicators) . 13 5.2.4 Safety requirements against hazards of ejection of material or objects . 14 5.3 Safety requirements against electrical hazards . 15 5.4 Safety requirements against thermal effects . 15 5.5 Safety requirements against noise . 15 5.6 Safety requirements against explosion hazards . 16 5.6.1 General . 16 5.6.2 Thermal ignition sources . 16 5.6.3 Electrostatic ignition sources . 16 5.6.4 Electrical ignition sources . 16 5.6.5 Material ignition sources . 16 5.7 Safety requirements against hazards due to dangerous substances . 17 5.7.1 Measures against contact with or absorption of coating materials or cleaning liquids . 17 5.7.2 Measures against inhalation of aerosols and solvent vapours . 17 5.8 Ergonomic requirements . 17 5.9 Safety requirements against malfunction . 17 5.9.1 General . 17 5.9.2 Measures against blocking of the trigger . 17 5.9.3 Blockage of the nozzle. 18 5.10 Control systems . 18 6 Verification of the safety requirements . 18 6.1 General . 18 6.2 Verification of mechanical safety requirements . 18 6.2.1 Verification of the safety requirements relating to crushing, shearing or trapping . 18 6.2.2 Verification of mechanical strength requirements . 18 6.3 Verification of electrical safety requirements . 19 6.4 Verification of thermal safety requirements . 19 6.5 Verification of safety requirements relating to noise hazards . 19 6.6 Verification of safety requirements relating to explosion hazards . 19 6.6.1 General . 19 6.6.2 Verification of protective measures for the prevention of thermal ignition sources . 19 6.6.3 Verification of protective measures for the prevention of electrostatic ignition sources . 19 6.6.4 Verification of protective measures for the prevention of electrical ignition sources. 20 6.7 Verification of safety requirements relating to hazards caused by dangerous substances . 20 6.8 Verification of ergonomic requirements . 20 SIST EN 1953:2014
EN 1953:2013 (E) 3 6.9 Verification of safety requirements relating to malfunction . 20 6.10 Verification of safety requirements relating to malfunction of the control system . 20 7 Information for use. 20 7.1 General . 20 7.2 Instructions for use . 20 7.2.1 General . 20 7.2.2 Information on installation . 21 7.2.3 Information on operation . 21 7.2.4 Information on maintenance and inspection . 22 7.3 Marking . 22 Annex ZA (informative)
Relationship of this European Standard and the Essential Requirements of the EU Directive 2006/42/EC . 24 Annex ZB (informative)
Relationship between this European Standard and the Essential Requirements of EU Directive 94/9/EC . 25 Bibliography . 26
SIST EN 1953:2014
EN 1953:2013 (E) 4 Foreword This document (EN 1953:2013) has been prepared by Technical Committee CEN/TC 271 “Surface treatment equipment - Safety”, the secretariat of which is held by DIN. 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 March 2014, and conflicting national standards shall be withdrawn at the latest by March 2014. 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 supersedes EN 1953:1998+A1:2009. 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(s). For relationship with EU Directive(s), see informative Annex ZA and informative Annex ZB, which are an integral part of this document. Compared with EN 1953:1998+A1:2009, the following changes have been made: the Scope has been limited to applicators with maximum pneumatic pressure < 15 bar; ATEX requirements have been integrated into the standard; safety requirements against ejection of fluids have been detailed for handheld applicators; testing requirements for mechanical strength have been revised. This document is part of a series of standards related to safety of design and construction of machinery and systems for surface coating with organic materials (paints, varnishes and similar products). 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, 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. SIST EN 1953:2014
EN 1953:2013 (E) 5 Introduction This European Standard is a type C standard as stated in EN ISO 12100:2010. The equipment concerned and the extent to which hazards, hazardous situations and events are covered is indicated in the scope of this standard. When provisions of this type C standard are different from those which are stated in type A or type 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. SIST EN 1953:2014
EN 1953:2013 (E) 6 1 Scope This European Standard deals with all significant hazards, hazardous situations and events which are relevant for both manual and automatic atomising and spraying equipment for application of coating materials on workpieces. In this standard, the term “machine” is used equivalently to “atomising and spraying equipment” and “applicator”. Together with this standard, EN 50050, EN 50059, EN 50176, EN 50177 or EN 50348 give requirements for electrostatic applicators. The specific significant risks related to the use of this machinery with foodstuffs and pharmaceutical products are not dealt with in this standard. This standard is only applicable to machinery which is used as intended. It also covers hazards arising from conditions which are reasonably foreseeable by the manufacturer. Applicators can consist of the following parts: — atomising or spraying system; — trigger; — filter; — swivel joint; — safety and control systems; — non-pressurised gravity or siphon feed cup. This European Standard is not applicable to: — applicators designed for operating pneumatic pressure above 15 bar; — non-atomising equipment (e.g. extruding equipment, dispenser); — fluidised bed powder coating machinery; — equipment for the automated application of flock; — spray guns covered by EN 50580; — supply hoses and ducts; — high-pressure cleaner equipped with high pressure water jet machines according to EN 1829-1; — airbrushes for graphic and artistic works; — machinery for the supply and circulation of coating materials under pressure according to EN 12621; — water-jet cutters; — automated devices like robots or reciprocators (EN ISO 10218-1). SIST EN 1953:2014
EN 1953:2013 (E) 7 This standard is not applicable to machinery manufactured before the date of its publication as a European Standard. 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 614-1, Safety of machinery — Ergonomic design principles — Part 1: Terminology and general principles EN 13463-1:2009, Non-electrical equipment for use in potentially explosive atmospheres — Part 1: Basic method and requirements EN 13463-5, Non-electrical equipment intended for use in potentially explosive atmospheres — Part 5: Protection by constructional safety 'c' EN 14462, Surface treatment equipment — Noise test code for surface treatment equipment including its ancillary handling equipment — Accuracy grades 2 and 3 EN 50050, Electrical apparatus for potentially explosive atmospheres — Electrostatic hand-held spraying equipment EN 50059, Specification for electrostatic hand-held spraying equipment for non-flammable material for painting and finishing EN 50176, Stationary electrostatic application equipment for ignitable liquid coating material — Safety requirements EN 50177, Stationary electrostatic application equipment for ignitable coating powders — Safety requirements EN 50223, Stationary electrostatic application equipment for ignitable flock material — Safety requirements EN 50348, Stationary electrostatic application equipment for non-ignitable liquid coating material — Safety requirements EN 60079-0, Explosive atmospheres — Part 0: Equipment — General requirements (IEC 60079-0, modified) EN 60204-1, Safety of machinery — Electrical equipment of machines — Part 1: General requirements (IEC 60204-1, modified) EN ISO 4414, Pneumatic fluid power — General rules and safety requirements for systems and their components (ISO 4414) EN ISO 12100:2010, Safety of machinery — General principles for design — Risk assessment and risk reduction (ISO 12100:2010) EN ISO 13732-1, Ergonomics of the thermal environment — Methods for the assessment of human responses to contact with surfaces — Part 1: Hot surfaces (ISO 13732-1) EN ISO 13849-1, Safety of machinery — Safety-related parts of control systems — Part 1: General principles for design (ISO 13849-1) SIST EN 1953:2014
EN 1953:2013 (E) 8 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN ISO 12100:2010 and the following apply. 3.1 atomising equipment applicator for liquid coating materials 3.2 spraying equipment applicator for powder coating materials and flock 3.3 automatic atomising and spraying equipment applicators which are not operated manually 3.4 fluid liquid and/or gas 3.5 coating material product, in liquid or powder form, that, when applied to a substrate, forms a film possessing protective, decorative and/or other specific properties [SOURCE: EN ISO 4618:2006, 2.50] Note 1 to entry: In general, coating materials consist of binders, pigments, dyestuff, fillers and other additives. Moreover, liquid coating materials can contain organic solvents and /or water. Note 2 to entry: Coating materials are, for instance, paints, lacquers, varnishes, impregnating varnishes, paste fillers, filling materials, impregnating agents, anti-noise agents, fire resisting agents, stains, burnishes, adhesives, sealing compounds, as well as coating powders. 3.6 cleaning liquid all liquids which can be used for cleaning and/or rinsing of applicators Note 1 to entry: A distinction is made between aqueous and organic cleaning liquids. Note 2 to entry: Cleaning liquids may consist of or contain organic solvents. 3.7 maximum working pressure maximum admissible static or dynamic fluid pressure as defined by the manufacturer 3.8 hydraulic pressure 3.8.1 static hydraulic pressure pressure of the liquid material without flow Note 1 to entry: This includes flow through the nozzle and/or recirculation through the applicator. SIST EN 1953:2014
EN 1953:2013 (E) 9 3.8.2 dynamic hydraulic pressure pressure of the liquid material under flow conditions Note 1 to entry: This includes flow through the nozzle and/or recirculation through the applicator. Note 2 to entry: The dynamic hydraulic pressure is reached shortly after having opened the valve. Note 3 to entry: The dynamic hydraulic pressure depends on the installation and can vary temporarily. 3.9 pneumatic applicator applicator for liquid coating materials which atomises the coating material after leaving the nozzle by charging it with air at high-speed 3.10 hydraulic applicator applicator for liquid coating materials which atomises the material discharges from a nozzle at high liquid velocity and at high liquid pressure Note 1 to entry: The corresponding process is generally referred to as “airless”. 3.11 hydraulic applicator combined with air applicator in which atomisation and/or spray pattern shape is modified by the addition of air 3.12 components of applicators 3.12.1 nozzle component through which liquid, powder or flock coating material is discharged Note 1 to entry: The geometry of the nozzle influences the shape of the spray pattern. 3.12.2 air cap component arranged around the nozzle in pneumatic applicator and hydraulic applicator combined with air Note 1 to entry: The geometry of the air cap influences the degree of atomisation and the shape of the spray pattern. 3.12.3 horns parts of the air cap projecting in the direction of the spray equipped with holes through which the air discharges and forms the spray pattern 3.13 routine test test to which each individual device is subjected during or after manufacture to ascertain whether it complies with certain criteria SIST EN 1953:2014
EN 1953:2013 (E) 10 4 Hazards Significant hazards are given in Table 1. Table 1 — List of significant hazards Hazard factors Location or situation of the hazard Specific requirements General requirements Applicable clauses of EN ISO 12100:2010
Applicable clauses of this standard
4.1 General This clause contains all hazards, hazardous situations and events as far as they are dealt with in this document, identified by risk assessment significant for this type of machinery and which require action to eliminate or reduce the risk. NOTE EN ISO 12100:2010 contains information for the procedure of risk assessment. 5.1 4, 5, 6 4.2 Mechanical hazards
4.2.1 Hazards by shearing, crushing, drawing-in During actuation of the applicators. 5.2.1 6.2.2.2 4.2.2 Hazards related to inadequate mechanical strength Caused by insufficient design and construction of fixing and joints between applicators and pressurised liquid supply hoses. 5.2.2 6.2.3, 6.2.10 4.2.3 Hazards by ejection of liquids Caused by leakages at or bursting of the applicator. Caused by uncontrolled discharge (unintended actuation of the applicator) and injection into the body tissues. NOTE The injection hazard increases with rising hydraulic pressure, smaller distance to skin, greater nozzle diameter and smaller spraying angles also resulting from wear of the nozzle. 5.2.3 6.2.10 4.2.4 Hazards by ejection of material or other objects Caused by inappropriate design and construction of the applicator and of the joint to the liquid supply hoses. 5.2.4 6.2.3, 6.2.10 SIST EN 1953:2014
EN 1953:2013 (E) 11 Hazard factors Location or situation of the hazard Specific requirements General requirements Applicable clauses of EN ISO 12100:2010
Applicable clauses of this standard
4.3 Electrical hazards Caused by direct or indirect contact of the operator with electrically live parts. Caused by electric shock caused by electrostatic discharges of energies > 350 mJ, for instance by flow friction of the coating material. 5.3 6.2.9 4.4 Thermal hazards Caused by burns and/or scalds during handling the applicator, for instance: — during application of the heated coating material; — during use of heated pressurised air or steam; — due to leakage or bursting of the applicator. 5.4 6.2.8 c) 4.5 Noise hazards Due to noise emissions (for instance resulting from flow or vibration) which can cause hearing loss and/or physiological effects. 5.5 6.2.2.3 6.2.3 c) 6.2.8 c) 6.3.2.1 b) 6.3.2.5.1 6.3.3.2.1 6.3.4.2 4.6 Explosion hazards Caused by the generation of an explosive atmosphere due to concentrations equal or higher than the LEL during atomising or spraying of ignitable coating materials Caused by presence of an effective ignition source e.g. by electrostatic discharge, electrical sparks, hot surfaces. 5.6 6.2.4 6.3.3.2.1 6.4.4 4.7 Hazards by dangerous substances Caused by contact with or inhalation of atomised coating and/or auxiliary materials occurring as aerosol, vapour or gas. Caused by absorption of coating materials and/or cleaning liquids. 5.7.1 5.7.2 5.2.3 6.2.2.3 6.2.3 b) 6.2.3 c) 6.3.3.2.1 6.3.4.4 6.4.5.1 g) 4.8 Hazards by lack of ergonomics Caused by, for instance, too heavy equipment, inappropriate balance point, design of handle and trigger equipment not appropriate to shape of the hands, too high trigger force of manual applicator. 5.8 6.2.8 6.2.11.8 6.3.2.1 6.3.3.2.1 SIST EN 1953:2014
EN 1953:2013 (E) 12 Hazard factors Location or situation of the hazard Specific requirements General requirements Applicable clauses of EN ISO 12100:2010
Applicable clauses of this standard
4.9 Hazards caused by malfunctions Caused by unexpected discharge of coating materials after a short interruption in the supply, e.g. by nozzle blockage. Caused by uncontrolled discharge of coating materials due to e.g. malfunction of the trigger mechanism. 5.9 5.9.2 5.9.3 6.2.12.2 6.3.2.1 4.10 Hazards by failure of the control system
5.10 6.2.12.2 6.3.2.1 Hygiene Not dealt with
5 Safety requirements and/or measures 5.1 General Applicators shall comply with the safety requirements and/or protective measures of this clause. In addition, applicators shall be designed according to the principles of EN ISO 12100:2010 for relevant but not significant hazards (for instance sharp edges), which are not dealt with by this standard. 5.2 Safety requirements against mechanical hazards 5.2.1 Crushing, shearing and pinching The distances between movable and fixed parts of applicators shall be wide enough to prevent injuries of parts of the human body due to crushing or pinching. 5.2.2 Mechanical strength Applicators, their fixing elements and the joints for pressurised liquid supply hoses shall be designed and constructed in such a way to withstand the arising forces. External forces (e.g. by dropping atomising or spraying equipment, forces of the supply hoses), shall be taken into account for all applicators. Additionally, the following forces shall be taken into account for applicators for liquid coating material: — static hydraulic pressure, — dynamic hydraulic pressure (e.g. oscillating supply system pressure), — recoil forces during operation, SIST EN 1953:2014
EN 1953:2013 (E) 13 — vibrations. Depending on the maximum working pressure, applicators for liquid coating material shall withstand the following test pressures given in Table 2: Table 2 – Test pressures for applicators for liquid coating material Maximum working pressure P Working pressure test Burst pressure test P < 375 bar 1,2 times of the maximum
working pressure 4 times of the maximum
working pressure 375 bar ≤ P ≤ 750 bar 1 500 bar 750 bar < P 2 times of the maximum
working pressure 5.2.3 Ejection of fluids (not for powder and flock applicators) Hand-held applicators shall be designed in such a way that, in case of releasing the trigger a further hazardous release from the applicators of fluids is prevented. The trigger return mechanism of applicators shall be designed to close at 1,2 times of the maximum working pressure. For adjustable applicators designed for operating hydraulic pressure above 10 bar, the trigger return mechanism shall close at maximum working pressure in all adjustment positions. Hand-held applicators with hazards of penetrating of coating materials going under the skin shall be equipped with - depending on the maximum working pressure - the protective devices given in Table 3: SIST EN 1953:2014
EN 1953:2013 (E) 14 Table 3 – Protective devices for hand-held applicators Protective measure Maximum hydraulic working pressure P
P ≤ 10 bar 10 bar < P ≤ 50 bar P > 50 bar Trigger lock for locking the trigger and/or the fluid needle preventing an unintended actuation No Yes in case of Hydraulic applicator and Hydraulic applicator combined with air No in case of Pneumatic applicator Yes Trigger guard for protection against unintended actuation of the trigger. The trigger guard shall be — an integral part of the equipment necessary for operation; A part of the fluid supply line may be used as a trigger guard. or — only be dismountable with tools. No Yes Nozzle guard, preventing hazardous proximity to body tissue as far as possible. No Yes in case of flat jet nozzles in case of round jet nozzles No in case of round jet nozzles if risk assessment indicates no injection hazard The nozzle guard shall
— ensure a axial distance between body tissue and discharge point of the nozzle of more than
8 mm NOTE This requirement can be satisfied by the design and construction of the horns. 25 mm — be an integral part of the equipment necessary for operation, — have a minimum radial distance and not cause excessive contamination.
5.2.4 Safety requirements against hazards of ejection of material or objects Applicators shall be designed and constructed in such a way that hazards of ejection of fluids or objects are reduced to a minimum. Pneumatic and hydraulic joints shall not be interchangeable. Joints to pressurised hydraulic supply hoses of applicators: — shall only be detachable with tools; or — shall be self-closing. SIST EN 1953:2014
EN 1953:2013 (E) 15 Filter which can be released manually shall not be detachable under working pressure. Pneumatic connectors shall comply with EN ISO 4414. References for safe releasing of hoses and filters shall be given in compliance with Clause 7. 5.3 Safety requirements against electrical hazards Applicators shall be equipped with a connection to dissipate static electricity via grounding terminal. The connection between applicators and ground terminal shall have a resistance of ≤
NOTE The connection can be made via the pneumatic or hydraulic hose connection. Hand-held electrostatic applicators shall satisfy the requirements of EN 50050 or EN 50059. Automatic electrostatic applicators shall satisfy the requirements of EN 50176, EN 50177, EN 50223 or EN 50348. Electrical elements (e.g. digital displays, heating systems, initiators) shall satisfy the re
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