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

The Ashcroft® D7 NEMA 7/9 differential pressure switch is designed for applications requiring safety, reliability and long-cycle life. It is ideal for satisfying requirements for differential pressure control, shutdown or alarm operations in hazardous locations.

Key Features:
  • Adjustable setpoint from 15-100% of range
  • Explosion-proof enclosure provides uncompromised protection
  • Fixed or limited adjustable deadband
  • Wide selection of switch element and wetted materials
  • External locking screw (ATEX / IECEx approval only)
  • Ranges from 30 in. H2O to 600 PSID
  • UL, CSA, ATEX, IECEx hazardous approvals
  • FM, CE and CRN approved
  • SIL 3 capable
  • RoHS 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
Washers and Filters
Degreasers and Evaporators
Recovery Systems
Reverse Osmosis Systems / Filters
Food Processing
Ground Support Equipment
Hydraulic and Lubrication Systems
Heating and Air Conditioning
Marine Equipment
Specialized OEM Equipment


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