B-Series NEMA 7 Pressure Switch

The Ashcroft® B7 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


  • Accuracy: ±1.00% full scale
  • NEMA 7 & 9 (IP66) enclosure
  • Single setpoint
  • Pressure ranges: vacuum to 3,000 psi
  • SPDT or DPDT switching option

The B7 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
  • ATEX
  • CSA
  • FM
  • IECEx
  • Ul
  • RoHS