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      PD-Series NEMA 7 Differential…

      PD-Series NEMA 7 Differential Pressure Switch

      PD-Series NEMA 7 Differential Pressure Switch - Boilers and Burners

      The Ashcroft® PD differential pressure switch was designed for use with harsh applications where uncompromising protection is required. It combines field-proven technology, stability and long cycling, making it ideal for satisfying pressure control, shutdown or alarm operations.

      Key Features:

      • Explosion proof housing
      • Dual chamber design allows for field calibration to be performed safely even with the power connected
      • Wide selection of switch elements and wetted materials
      • Multiple process connection available
      • Adjustable setpoints from 15%-100% of range
      • Fixed or adjustable deadbands


      • Accuracy: ±1% full scale
      • IP66, NEMA 7/9 aluminum enclosure
      • Single or dual setpoints
      • Differential pressure ranges: 75 mbar thru 28 bar


      The PD differential pressure switch is ideal where accurate and reliable pressure measurement are essential:

      Process Market:

      • Refineries
      • Chemical and Petrochemical Plants
      • Water and Sewage Treatment Facilities
      • Steel Mills                                                                       

      Industrial Market:

      • Pumps, Compressors and Turbines
      • Boilers and Burners
      • Reverse Osmosis Systems

      Certificates & Approvals

      • CSA
      • UL