Type Y Purging and Pressurization System

The Type Y Purging and Pressurization System is designed to reduce the classification within a protected enclosure from Division 1 to Division 2. This allows Division 2 rated equipment to be operated in Division 1 locations. Designed under the strictest manufacturing guidelines, the Type Y purge systems meet globally recognized UL, cUL, FM, and ATEX certifications.

Purging is the process of supplying an enclosure with compressed air (or inert gas) at the proper flow and pressure in order to reduce the hazardous gas inside the enclosure to a safe level. Pressurization is the process of increasing the air pressure within an enclosure to the point where there is no ingress of hazardous or combustible gases.

Click the "Request FREE Quote" button or contact an enclosure cooling specialist at ISC Sales today to discuss which purge and pressurization system will work best for your application.

  • Reduces heat build-up
  • No special enclosures required
  • Reduces moisture & dust
  • Works with enclosure sizes up to 450 cubic feet
  • Certified for Class I and Class II, Division 1 to Division 2
  • UL, cUL, & FM classified
Type Y Purge and Pressurization System - 1,000 SeriesThe 1000 series Type Y purge system is rated for Class I, Division 1 to Division 2 area applications or Class II, Division 1 to Division 2 applications. This unit conforms to NFPA 496 & ISA 12.4 standards, and is UL, cUL & FM certified. The 1,000 series is a rapid exchange purging system that operates on a supply of compressed air or inert gas. It regulates and monitors pressure within one or more sealed enclosures, in order to rapidly remove and prevent flammable vapor accumulation within the enclosure.
ModelTypeClassEnclosure VolumeSpec SheetIOM
1001AType Y and ZClass I, Div 1 to Div area applicationsup to 2ft³ PDF PDF
1001AType Y and ZClass II, Div 1 to Div 2 area applicationsup to 10ft³ PDF PDF
1001BType Y and ZClass II, Div 1 to Div 2 area applicationsup to 50ft³ PDF PDF
1001CType Y and ZClass II, Div 1 to Div 2 area applicationsup to 250ft³ PDF PDF
1002Type Y and ZClass I, Div 1 to Div area applicationsup to 15ft³ PDF PDF
1003Type Y and ZClass I, Div 1 to Div area applicationsup to 75ft³ PDF PDF
1004Type Y and ZClass I, Div 1 to Div area applicationsup to 200ft³ PDF PDF
1005Type Y and ZClass I, Div 1 to Div area applicationsup to 450ft³ PDF PDF
11Type Y and ZClass I, Div 1 to Div area applicationsup to 10ft³ PDF PDF
Type Y Purge and Pressurization System - 3,000 SeriesThe 3000 series rapid exchange purge system is available for Type Z and Y and Ex [pz] applications as one model number. The 3,000 series is simple but has a very effective, well-proven design. These units are UL, cUL, ATEX, FM classified and conform to NFPA 496, and ATEX directives. It regulates and monitors pressure inside sealed enclosures, in order to prevent flammable vapor from contaminating the enclosure.
ModelTypeClassEnclosure VolumeSpec SheetIOM
3003Type Y and ZClass I, Div 1 to Div 2 area applicationsup to 90ft³ PDF PDF
3004Type Y and ZClass I, Div 1 to Div 2 area applicationsup to 250ft³ PDF PDF
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