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Hoffman’s Ex [pz] purge system is designed and certified according to European requirements of ATEX Directive 94/9/EC and EN 60079-2 for Type Ex [pz] applications. ATEX certified Ex [pz] purge systems reduce the classification in the protected enclosure from Zone 2 to non-hazardous, thereby allowing the use and operation of general purpose equipment in the protected enclosure. Used as a Type Y purge reduces classification from Div. 1 to Div. 2. Type Z purge reduces classification from Div. 2 to Non-Hazardous.
These products are designed to supply one or more enclosures with a protective gas supply. Purge/pressurization systems can be used for electronics, electrical equipment, motors and switch gear in wall-mount to large enclosures. Purge/pressurization systems also meet the demands of rack-mounted instrumentation, video displays, programmable controllers, computers, printers, recorders and measurement and calibration equipment. Protected enclosures should be constructed from materials such as metal or polycarbonate material to meet or exceed NEMA Type 4 or Type 12 performance requirements.
(Volume up to 90 cubic feet) 3003 WPSA Type Y System, UL and FM Certified: Class I, Division I Group A,B,C, and D/Zone 1, Groups IIB and H2 to Division 2/Zone 2 Type Z system, UL and FM Certified: Class 1, Division 2 Group A,B,C, and D/Zone 2, Groups IIB and H2 to Non-hazardous ATEX Certified II 3 (3) G Ex [pz] II, -29 C ? Tamb. ? 49 C
HOFFMAN excels at modifying and customizing products to your specifications. Contact your local HOFFMAN sales office or distributor for complete information.
