• B-Series NEMA 7/9 Pressure Switch
    B-Series NEMA 7/9 Pressure Switch
  • B-Series SS NEMA 7/9 Pressure Switch B-Series SS NEMA 7/9 Pressure Switch

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B-Series NEMA 7/9 Pressure Switch

  • Overview
  • Applications
  • Certificates & Approvals

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: ±1.00% 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 to 3,000 psi

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

Related Products

PP-Series NEMA 7 Pressure Switch

PP-Series NEMA 7 Pressure Switch

The Ashcroft® PP pressure switch was designed for use with harsh applications where uncompromising protection is required.

80 Wafer Isolation Rings

80 Wafer Isolation Ring

The Ashcroft® 80 isolation ring or isolation device is mounted inline with process piping.


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  • Materials Selector

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  • Unit Converter

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