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AshcroftModel B-Series NEMA 7/9 -Explosion Proof Pressure Switch

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The Ashcroft B7 NEMA 7/9 pressure switch is designed for use in virtually all process, industrial and many OEM applications. This model provides accuracy, reliability and long-cycle life, while the rugged, explosion-proof housing provides superior protection. Ideal for satisfying requirements for pressure control, safety shutdown or alarm operations in hazardous applications.

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  • Explosion-proof enclosure provides uncompromising protection
  • Adjustable from 15%-100% of range
  • Fixed or limited adjustable deadband
  • Wide selection of switch elements
  • Stainless Steel, Buna, Viton, Teflon and Monel diaphragms available for compatibility
  • Ranges from vacuum to 3000 psi
  • 316L Stainless Steel housing available
  • External locking screw (ATEX / IECEx approval only)
  • UL, CSA, ATEX and IECEx hazardous approvals
  • CE, CRN and 3A approved
  • SIL 3 Capable
  • RoHS Compliant
  • NSF-61 Compliant

Process Market:

  • Offshore Oil Rigs
  • Chemical and Petrochemical Plants
  • Pulp and Paper Mills
  • Power Plants
  • Steel Mills
  • Water and Sewage Treatment Facilities

Industrial Market:

  • Pumps, Compressors and Turbines
  • Boilers and Burners
  • Degreasers and Evaporators
  • Recovery Systems
  • Reverse Osmosis Systems and Filters
  • Food Processing
  • Ground Support Equipment
  • Hydraulic and Lubrication Systems
  • Heating and Air Conditioning
  • Marine Equipment
  • Specialized OEM Equipment