CEN/TC 271/WG 3 - Coating plants

This European Standard deals with all significant hazards, hazardous situations and hazardous events relevant to spray booths for the application of organic liquid and powder coating materials, when they are used as intended and under the conditions foreseen by the manufacturer, including reasonably foreseeable misuse.
See Annex A for significant hazards.
Interfaces between spray booths and other machinery used in coating application are given in Figure 1.
The specific significant risks related to the use of this machinery with foodstuff and pharmaceutical products are not dealt with in this standard.
The specific significant risks related to drying operation of combined spraying and drying booths are not dealt with in this standard, but in EN 1539:2015.
This European Standard is not applicable to:
-   spaces for application of organic coating material consisting only of an extraction wall;
-   platforms attached to spray booths (e.g. for touch-up jobs);
-   flock booths (see EN 50223:2015);
-   spray booths with airflow from vertical inlet to horizontal extraction or from horizontal inlet to vertical extraction.
This European Standard is not applicable to machinery manufactured before the date of its publication as European Standard.

1.1   This European Standard applies to the design and construction of machinery for dip coating and electrodeposition of organic liquid coating material to industrial items.
This machinery consists of the following equipment:
-   Transport system including hoists;
-   Dip tank and safety tank;
-   forced ventilation system;
-   ancillary equipment such as pumps, filters, heaters.
This European Standard deals with the significant hazards, hazardous situations and events relevant to dip and electrophoretic coating machinery when they are used as intended and under the conditions foreseen by the manufacturer (see Clause 4).
In addition, the equipment marking and minimum use requirements are specified.
1.2   This European Standard does not cover:
-   automatic loading and unloading systems;
-   lifting accessories;
-   dip and electrophoretic coating tanks without any technical devices such as enclosure, lip extractions, pumps, heaters;
-   machinery for organic liquid coating material preparation, supply and draining systems (e.g. pumps);
-   water and waste liquids treatment machinery;
-   dip and electrodeposition coating machinery for web or coil coating;
-   dip and electrophoretic coating machinery with tank volume less than 1 m3;
This European Standard is not applicable to industrial machinery for dip or electrophoretic coating processes which are manufactured before the date of publication of this European Standard by CEN.

This document is applicable to spray booths as well as multizone spray booths for the application of organic liquid coating materials (paints, varnishes....), and deals with all significant hazards relevant to spray booths or multizone spray booths, when they are used as intended and under the conditions foreseen by the manufacturer (see clause 4).
A spray booth is an assembly of the following linked components: forced ventilation by one or more fans; dry air filtering and/or wet air washing systems, measuring and control devices, ventilation air heating system, automatic fire extinguishing equipment, warning devices, electrical apparatus, joined together within or at a partially or totally enclosed structure (limited by walls, called space) for the controlled processing of spray application of organic liquid coating material.
NOTE 1   Spray booths are classified in annex G.
This standard describes methods of verification of safety measures, information labels to be affixed to the spray booth and minimum usage requirements contained within the operators handbook.
This standard does not cover:
-   spraying areas (spaces for application of organic liquid coating materials which are limited only by one side wall used for extraction of exhaust ventilation).
-   combined spray booths according to definition given in 3.2;
NOTE 2   See prEN 13355.
-   the limiting walls of spray booths if they are constituent parts of a building are not to be considered part of the machinery assembly;
-   the workroom or building used for the spraying of large size items (example: air-liner);
-   spraying equipment used in spray booths which is covered by EN 1953, EN 50050, and EN 50176.
-   Spray booths which are part of complex installations.
NOTE 3   complex installations may include additional hazards.
This standard is not applicable to spray boots which are manufactured before the date of publication of this standard by CEN.

1.1   This European Standard is applicable to spray booths for spray application of organic coating powder, called in this European Standard "powder spray booths", i.e. machinery and related equipment for automated and/or manual powder coating application processes.
This European Standard covers powder spray booths consisting of the following equipment:
-   forced ventilation system;
-   air filtering and coating powder recovery system;
-   coating powder recycling system;
-   delivery and circulating systems for coating powder (for instance hopper or tank, preparation and transfer new powder feeding);
-   air conditioning system;
-   automatic cleaning system;
-   monitoring and/or control systems;
-   fire detection and interlocking system;
-   explosion protection system;
-   mechanical aspects of product handling systems and reciprocators inside the powder spray booth;
-   electrical equipment;
-   powered doors and gates
joined together within or at a partially or totally enclosed structure (limited by walls, called space) for the controlled processing of spray application of organic coating powder.
This European Standard deals with the significant hazards, hazardous situations and events relevant to powder spray booths when they are used as intended and under the conditions foreseen by the manufacturer (see Clause 4).
NOTE   Powder spray booths are classified in Annex !C".
In addition, it defines:
-   the content of marking;
-   the minimum requirements for use.
1.2   This European Standard does not cover:
a)   powder spray booths in which the coating is applied by immersion in a fluidised bed;
b)   powder spray booths for application of non combustible and inorganic coating powder and flock;
c)   spraying equipment as covered by EN 1953, EN 50050, EN 50177;
d)   machinery for the supply or circulation of coating material under pressure as covered by prEN 12621;
e)   all loading and unloading systems;
f)   automatic systems, e.g. robots as covered by EN 775 and control systems of

This document is applicable to combined booths for the application of organic liquid coating materials by an operator with maximum drying temperature of 100 °C and deals with all hazards significant for combined booths, when they are used as intended and under the conditions foreseen by the manufacturer (see clause 4).
To the extent of this document, a combined booth is considered an assembly of the following equipment:
-   forced ventilation by one or more fans,
-   ventilation air heating system (e. g. heat exchanger or burner),
-   power driven dampers, forced ventilation ducting,
-   dry air filtering and/or wet air washing systems,
-   automatic fire extinguishing equipment and additional specific electrical equipment,
-   control and power circuits joined together for the spraying and drying process of liquid coating material in a space totally enclosed provided with forced ventilation.
-   working pit, in special case.
This document does not cover:
a)   booths for automatic spraying, powder spray booths, open booths, and portable heaters.
b)   design of the building foundations upon which a booth is installed;
c)   the civil engineering and building design where a booth is constructed as, or to use part of, a new or existing building;
d)   spraying equipment (see EN 1953), automatic devices for spraying systems like robots (see EN 775) or reciprocators or similar systems, conveyors, lifts and continuous handling equipment and systems (see EN 619).
This document is not applicable to combined booths which are manufactured before the date of publication of this standard by CEN.

1.1   This European Standard applies to the design and construction of machinery for dip coating and electrodeposition of organic liquid coating material to industrial items.
This machinery consists of the following equipment:
¾   Transport system including hoists;
¾   Dip tank and safety tank;
¾   forced ventilation system;
¾   ancillary equipment such as pumps, filters, heaters.
This European Standard deals with the significant hazards, hazardous situations and events relevant to dip and electrophoretic coating machinery when they are used as intended and under the conditions foreseen by the manufacturer (see Clause 4).
In addition, the equipment marking and minimum use requirements are specified.
1.2   This European Standard does not cover:
¾   automatic loading and unloading systems;
¾   lifting accessories;
¾   dip and electrophoretic coating tanks without any technical devices such as enclosure, lip extractions, pumps, heaters;
¾   machinery for organic liquid coating material preparation, supply and draining systems (e. g. pumps);
¾   water and waste liquids treatment machinery;
¾   dip and electrodeposition coating machinery for web or coil coating;
¾   dip and electrophoretic coating machinery with tank volume less than 1 m3;
This European Standard is not applicable to industrial machinery for dip or electrophoretic coating processes which are manufactured before the date of publication of this European Standard by CEN.

AFNOR - Translation error in 5.7.1

This document is applicable to spray booths as well as multizone spray booths for the application of organic liquid coating materials (paints, varnishes....), and deals with all significant hazards relevant to spray booths or multizone spray booths, when they are used as intended and under the conditions foreseen by the manufacturer (see clause 4).
A spray booth is an assembly of the following linked components: forced ventilation by one or more fans; dry air filtering and/or wet air washing systems, measuring and control devices, ventilation air heating system, automatic fire extinguishing equipment, warning devices, electrical apparatus, joined together within or at a partially or totally enclosed structure (limited by walls, called space) for the controlled processing of spray application of organic liquid coating material.
NOTE   Spray booths are classified in annex G.
This standard describes methods of verification of safety measures, information labels to be affixed to the spray booth and minimum usage requirements contained within the operators handbook.
This standard does not cover:
-   spraying areas (spaces for application of organic liquid coating materials which are limited only by one side wall used for extraction of exhaust ventilation).
-   combined spray booths according to definition given in 3.2;
NOTE   See prEN 13355.
-   the limiting walls of spray booths if they are constituent parts of a building are not to be considered part of the machinery assembly;
-   the workroom or building used for the spraying of large size items (example: air-liner);
-   spraying equipment used in spray booths which is covered by EN 1953, EN 50050, and EN 50176.
-   Spray booths which are part of complex installations.
NOTE   complex installations may include additional hazards.
This standard is not applicable to spray boots which are manufactured before the date of publication of this standard by CEN.

1.1   This document is applicable to spray booths for spray application of organic coating powder, called in this document " powder spray booths ", i.e. machinery and related equipment for automated and/or manual powder coating application processes.
This document covers powder spray booths consisting of the following equipment:
-   forced ventilation system;
-   air filtering and coating powder recovery system;
-   coating powder recycling system;
-   delivery and circulating systems for coating powder (for instance hopper or tank, preparation and transfer new powder feeding);
-   air conditioning system;
-   automatic cleaning system;
-   monitoring and/or control systems;
-   fire detection and interlocking system;
-   explosion protection system;
-   mechanical aspects of product handling systems and reciprocators inside the powder spray booth;
-   electrical equipment;
-   powered doors and gates
joined together within or at a partially or totally enclosed structure (limited by walls, called space) for the controlled processing of spray application of organic coating powder.
This document deals with the significant hazards, hazardous situations and events relevant to powder spray booths when they are used as intended and under the conditions foreseen by the manufacturer (see Clause 4).
NOTE   Powder spray booths are classified in Annex D.
In addition, it defines:
-   the content of marking;
-   the minimum requirements for use.
1.2   This document does not cover:
a)   powder spray booths in which the coating is applied by immersion in a fluidised bed;
b)   powder spray booths for application of non combustible and inorganic coating powder and flock;
c)   spraying equipment as covered by EN 1953, EN 50050, EN 50177;
d)   machinery for the supply or circulation of coating material under pressure as covered by prEN 12621;
e)   all loading and unloading systems;
f)   automatic systems, e.g. robots as covered by EN 775 and control systems of powder spray booths influencing these system

This document is applicable to combined booths for the application of organic liquid coating materials by an operator with maximum drying temperature of 100 °C and deals with all hazards significant for combined booths, when they are used as intended and under the conditions foreseen by the manufacturer (see clause 4).
To the extent of this document, a combined booth is considered an assembly of the following equipment:
-   forced ventilation by one or more fans,
-   ventilation air heating system (e. g. heat exchanger or burner),
-   power driven dampers, forced ventilation ducting,
-   dry air filtering and/or wet air washing systems,
-   automatic fire extinguishing equipment and additional specific electrical equipment,
-   control and power circuits joined together for the spraying and drying process of liquid coating material in a space totally enclosed provided with forced ventilation.
-   working pit, in special case.
This document does not cover:
a)   booths for automatic spraying, powder spray booths, open booths, and portable heaters.
b)   design of the building foundations upon which a booth is installed;
c)   the civil engineering and building design where a booth is constructed as, or to use part of, a new or existing building;
d)   spraying equipment (see EN 1953), automatic devices for spraying systems like robots (see EN 775) or reciprocators or similar systems, conveyors, lifts and continuous handling equipment and systems (see EN 619).
This document is not applicable to combined booths which are manufactured before the date of publication of this standard by CEN.