Quality Lab


      B-Series NEMA 7/9 Pressure…

      B-Series NEMA 7/9 Pressure Switch


      The Ashcroft® B7 NEMA 7/9 pressure switch is designed for use in virtually all industrial and 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.

      Key Features:

      • Explosion-proof enclosure provides uncompromising protection
      • Adjustable from 15%-100% of range
      • Fixed or limited adjustable deadband
      • Wide selection of switch elements and wetted materials
      • External locking screw (ATEX / IECEx approval only)


      • Accuracy: ±1% full scale
      • NEMA 7/9 (IP66) enclosure
        Epoxy-coated aluminum (standard)
        316 Stainless steel (option XYW)
      • Single setpoint
      • SPDT or DPDT switching option
      • Pressure ranges: vacuum thru 210 bar


      The B-Series NEMA 7/9 pressure switch is designed for use in a host of applications is ideal where accurate and reliable pressure measurement are essential:

      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

      Certificates & Approvals

      • ATEX
      • CSA
      • FM
      • IECEx
      • RoHS
      • SIL
      • UL