Mini-Hermet – Explosion Proof Differential Pressure Switch

General Instructions
Product Bulletins
101AG &121AH
3 to 500 psid, 0 to 172 bar
Unit: GOST, INMETRO, ATEX, SIL, UL/CSA; Snap Switch: ATEX, TestSafe (SAA), UL/CSA
3 Years
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These SOR explosion proof differential pressure switches are suitable for a variety of low to high differential pressure process or fluid power applications in hazardous locations where space is limited and a safe enclosure is mandatory. The switch element is a snap switch hermetically sealed in a stainless steel capsule. The maximum explosion proof rating is standard.


  • Ranges from 3 to 500 psid
  • Set point adjustment without declassification of hazardous area
  • Worldwide agency listings
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SOR offers many special services in support of our Original Equipment Manufacturers and other large volume customers. Examples include special naming, exclusive name plates, discriminative labels and even distinctive model numbers or designators. SOR will support and accept orders for the Representative’s special M3Y promoted products. If this program is selected by the customers, SOR will provide M3Y labeled units so that the Representative will know who purchased the products and the Representative can provide exceptional after sales service.