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EN 50176:1996

(Main)

Automatic electrostatic spraying installations for flammable liquid spraying material

Automatic electrostatic spraying installations for flammable liquid spraying material

This European Standard specifies requirements for automatic electrostatic spraying installations which are used for spraying flammable liquids which may form explosive atmospheres in the spraying area. In this connection distinction is made between spraying devices which due to their type of construction comply with requirements as laid down in EN 50050:1986 as applicable, and those for which other discharge energies and/or current limits are stipulated. It also specifies the constructional requirements for the safe operational conditions of the electrical installations including ventilation requirements. Additional requirements as to the construction of the spraying areas such as cabins, booths, etc. are dealt with in other standards

Ortsfeste elektrostatische Sprühanlagen für brennbare flüssige Beschichtungsstoffe

Installations automatiques de projection électrostatique de produit à projeter liquide inflammable

Inštalacije za avtomatsko opremo za elektrostatično brizganje z vnetljivimi tekočinami za barvanje

General Information

Status
Withdrawn
Publication Date
19-Dec-1996
Withdrawal Date
31-May-1997
ICS
87.100 - Paint coating equipment
Technical Committee
CLC/TC 31 - Electrical apparatus for explosive atmospheres - General requirements
Drafting Committee
CLC/SC 31-8 - Electrostatic painting and finishing equipment
Parallel Committee
IEC/TC 31 - Electrical apparatus for potentially explosive atmospheres
Current Stage
9960 - Withdrawal effective - Withdrawal
Start Date
01-Sep-2012
Completion Date
01-Sep-2012
Directive
94/9/EC - Directive 94/9/EC of the European Parliament and the Council of 23 March 1994 on the approximation of the laws of the Member States concerning equipment and protective systems intended for use in potentially explosive atmospheres
Mandate
BC/CEN/CLC/08-92 - BC/CEN/CLC/08-92
Ref Project
SIST EN 50176:1998 - Automatic electrostatic spraying installations for flammable liquid spraying material

Relations

Replaced By
EN 50176:2009 - Stationary electrostatic application equipment for ignitable liquid coating material - Safety requirements
Effective Date
28-Jan-2023

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EN 50176:1998EN 50176:1998
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EN 50176:1998
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Standards Content (Sample)


SLOVENSKI STANDARD
01-april-1998
,QãWDODFLMH]DDYWRPDWVNRRSUHPR]DHOHNWURVWDWLþQREUL]JDQMH]YQHWOMLYLPL
WHNRþLQDPL]DEDUYDQMH
Automatic electrostatic spraying installations for flammable liquid spraying material
Ortsfeste elektrostatische Sprühanlagen für brennbare flüssige Beschichtungsstoffe
Installations automatiques de projection électrostatique de produit à projeter liquide
inflammable
Ta slovenski standard je istoveten z: EN 50176:1996
ICS:
29.260.20 (OHNWULþQLDSDUDWL]D Electrical apparatus for
HNVSOR]LYQDR]UDþMD explosive atmospheres
87.100 Oprema za nanašanje Paint coating equipment
premazov
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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...

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EN 50177:2009/A1:2012(Amendment)
Stationary electrostatic application equipment for ignitable coating powders - Safety requirements
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Stationary electrostatic application equipment for ignitable coating powders - Safety requirements
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Automatic electrostatic application systems for ignitable liquid coating materials - Safety requirements
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1.1 This document specifies the electrical requirements for the design of automatic electrostatic application systems for liquid coating materials which can be ignited in an atomised state, used within a temperature range from 5 °C to 40 °C. This document considers automatic electrostatic application systems for processing ignitable liquid coating materials, where the conductivity of the complete system is limited up to 50 nS/cm. Together with additional measures like e.g. potential separation systems, these requirements can also be applied to ignitable liquid coating materials, where the conductivity of the complete system is limited up to 2 000 μS/cm. Ignition hazards related to the generated explosive atmosphere and the protection of persons against electric shock are considered. 1.2 This document specifies — requirements for an interface to machinery according to EN 16985:2018, — additional requirements for machinery covered by EN 1953:— and EN 12621:— . 1.3 This document also specifies requirements for a safe operation of electrostatic application systems, including the electrical installation. The requirements consider both the processing of coating materials and the cleaning and purge processes. 1.4 This document applies to three types of spraying systems; see 5.1.1. Spraying systems are classified as equipment of group II, category 2G (for intended use in zone 1 or zone 2) or category 3G (for intended use in zone 2). Only electrostatic spraying systems operating with a d.c. sinusoidal ripple of not more than 10 % of the r.m.s. value are considered. 1.5 For electrostatic application systems used in food and pharmaceutical industry, additional requirements may apply. 1.6 This document does not apply to — potential separation systems; — selection, installation and application of other electrical and non-electrical equipment in areas with explosion hazard, see EN 60079-14:2014 and EN 16985:2018; — quality assurance systems for electrostatic spraying equipment (see EN ISO/IEC 80079-34:2020, Annex ZB.11).

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1.1 This European Standard specifies the requirements for hand-held or hand-operated electrostatic spraying equipment for non-ignitable liquid coating materials which — do not generate an explosive atmosphere inside the spraying area; — are used to process materials with a conductivity of less than 2 000 µS/cm; — operate with direct current having a sinusoidal ripple of not more than 10 % of the rms value. This European Standard deals with all electrical hazards significant for the electrostatic spraying of non-ignitable liquid coating materials, which could also contain small quantities of added metal particles, if the work is carried out under conditions recommended by the manufacturer. This European Standard specifies the design-related and test requirements for electrostatic spraying equipment of type A-NL according to Table 1 of EN 50348:2010. 1.2 With regard to all other significant hazards relevant for applicators (e.g. ejection of fluids, mechanical strength, electrical - apart from electrostatic - hazards, noise, contact with or inhalation of dangerous substances, ergonomics) the requirements of EN 1953 apply. 1.3 This European Standard also gives details regarding quality assurance systems for electrostatic spraying equipment, see Annex D. 1.4 For electrostatic spraying equipment used in food and pharmaceutical industry, additional requirements may apply. 1.5 This document is not applicable to — electrostatic hand-held spraying equipment for non-ignitable coating materials which are manufactured before the date of its publication as EN, — cleaning of spraying areas, see instruction manual of the spraying booth, — fire prevention and protection [for instance fire hazards due to other sources; see EN 12215, EN 12981], — requirements for machinery for the supply and recirculation of coating material under pressure [see EN 12621]. The requirements of EN 12621 apply for specific requirements for machinery for the supply and recirculation of coating materials under pressure.

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Electrostatic hand-held spraying equipment - Safety requirements - Part 2: Hand-held spraying equipment for ignitable coating powder
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1.1 This European Standard specifies the requirements for hand-held or hand-operated electrostatic spraying equipment for ignitable coating powders within a temperature range from 5 °C to 40 °C to be used in explosive atmospheres generated by their own spray cloud. This European Standard deals with all electrical hazards significant for the electrostatic spraying of coating powders, which could also contain small quantities of added metal particles, if the work is carried out under conditions recommended by the manufacturer. In particular, this includes ignition hazards resulting from the generated explosive atmosphere. This European Standard specifies the design-related and test requirements for electrostatic spraying equipment of type A-P according to Table 1 of EN 50177:2009. 1.2 With regard to explosion protection and prevention measures, this standard also applies to ionisators with corona charging. Ionisators used together with or under similar conditions as electrostatic spraying equipment for ignitable coating powders are considered to be equipment of group II, category 2D for use in potentially explosive areas of zone 21 or 22. All other parts of ionisators are considered to be equipment of category 3D if they are installed or used in potentially explosive areas of zone 22. 1.3 Electrostatic applicators are considered to be equipment of group II, category 2D for use in potentially explosive areas of zone 21 or 22, which have been generated by the equipment itself. All other parts of hand-held electrostatic spraying equipment are considered to be equipment of category 3D if they are installed or used in potentially explosive areas of zone 22, see Annex D. 1.4 All other significant hazards relevant for applicators (e.g. ejection of powder, mechanical strength, electrical hazards (apart from the electrostatic hazards)), noise, explosion, contract with or inhalation of dangerous substances, ergonomics) are covered by EN 1953. 1.5 This European Standard also gives details regarding quality assurance systems for electrostatic spraying equipment, see Annex C. 1.6 Additional requirements may be applicable to equipment designed for use in food and pharmaceutical industry. 1.7 This European Standard does not apply to  zone classification of the areas in and around spray booths [see EN 12981],  zone classification of other areas with potentially explosive atmosphere [see EN 60079-10-2],  selection, erection and application of other electrical and non-electrical equipment in areas with explosion hazard [see EN 60079 14 and EN 12981],  cleaning of spraying areas, see instruction manual of the spraying equipment,  fire prevention and protection, for instance fire hazards due to other sources [see EN 12981],  dust hazards [see EN 12981].

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