P-Series NEMA 7/9 Explosion Proof Differential Pressure Switch

The Ashcroft® P-series NEMA 7/9 differential pressure switch was designed for use in hazardous applications where uncompromising protection is required. This switch combines field-proven technology, stability and long cycle life. Its rugged explosion proof housing makes it ideal for satisfying differential pressure control, shutdown or alarm operations in hazardous locations. When two independent setpoints or adjustable deadbands are required.

Key Features:
  • NEMA 7 & 9 explosion proof housing
  • Dual chamber design allows for field calibration to be performed safely even with the power connected
  • Wide selection of switch elements
  • Stainless steel, Buna, Viton, Teflon and Monel diaphragms available for compatibility
  • Adjustable setpoints from 15%-100% of range
  • Fixed or adjustable deadbands
  • UL and CSA hazardous approvals
  • CRN approved
  • RoHS Compliant

Process Market:
Chemical and Petrochemical Plants
Water and Sewage Treatment Facilities
Steel Mills

Industrial Market:
Pumps, Compressors and Turbines
Boilers and Burners
Reverse Osmosis Systems


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