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Large-Volume Type Y and Z Purging/Pressurization System

Bulletin Number:

  • HL
  • Industry Standards:

    (Volume up to 90 cubic feet) 3003 LPS NEC Type Y Class 1, Division 1, Groups A, B, C and D / Zone 1 Groups IIA, IIB and IIC to Division 2 / Zone 2 NEC Type Z Class I, Division 2, Groups A, B, C and D / Zone 2 Groups IIA, IIB and IIC to Nonhazardous Classified by Underwriters Laboratories, NFPA 496-1993
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    Large-Volume Purging/Pressurization System supplies one or more enclosures, up to 90 cubic feet total volume, with a protective gas supply, thus allowing the use of general-purpose enclosures in certain Class 1, Division 1 and 2 hazardous locations.

    Application:

    Large-Volume Purging/Pressurization System supplies one or more enclosures, up to 90 cubic feet total volume, with a protective gas supply, thus allowing the use of general-purpose enclosures in certain Class 1, Division 1 and 2 hazardous locations.

    Specifications:

  • Vertical mount (VM) or horizontal mount (HM)
  • 90 cubic feet maximum enclosure volume
  • System face plate and mounting plate: Type 316 stainless steel with tumble finish
  • Regulator body: zinc with enamel finish
  • Manifold body: anodized aluminum with Type 316 stainless steel valves
  • Enclosure pressure gauge: aluminum with enamel finish
  • Gas supply gauge: poly case and nickel-plated tube
  • Enclosure protection vent—90 degree
  • Rapid exchange control valve
  • Enclosure supply and enclosure reference bulkhead fittings: Type 316 stainless steel
  • Fastener hardware
  • Protected Enclosures:

    Enclosures should be constructed from materials such as metal, fiberglass or polycarbonate material. Enclosure seal should meet or exceed NEMA Type 4 or Type 12 performance requirements.
    Drawings and Technical Publications are available by clicking the "Items" tab. Select your desired Catalog Number and click on the Downloads tab for that particular catalog number.
     
    Catalog Number Width in. Height in. Volume ft. 3
    Catalog Number Width in. Height in. Volume ft. 3
    5.50 9.50 90
    10.75 5.50 90