Quality Lab


      B-Series NEMA 4X Pressure…

      B-Series NEMA 4X Pressure Switch

      B-Series NEMA 4X Pressure Switch

      The Ashcroft® B4 pressure switch is designed for use in virtually all industrial and OEM applications. Providing reliability and long-cycle life, it is ideal for satisfying requirements for pressure control, shutdown or alarm operations. Special designs are available to meet NACE and Fire-safe applications.

      Key Features:

      • Adjustable setpoints from 15%-100% of range
      • Fixed or limited adjustable deadband
      • Wide selection of switch elements and wetted materials
      • Internal setpoint locking screw


      • Accuracy: ±1% full scale
      • IP66 (NEMA 4X)  epoxy coated aluminum enclosure
      • Single setpoint
      • SPDT or DPDT switching option
      • Pressure ranges: vacuum to 210 bar


      The B4 pressure switch may be used on 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

      • CE
      • CSA
      • EAC
      • FM
      • RoHS
      • SIL
      • UL