B-Series NEMA 7/9 Explosion Proof Pressure Switch from Ashcroft

B-Series NEMA 7/9 Explosion Proof Pressure Switch from Ashcroft
B-Series NEMA 7/9 Explosion Proof Pressure Switch from Ashcroft
B-Series NEMA 7/9 Explosion Proof Pressure Switch from Ashcroft

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

B-Series NEMA 7/9 Explosion Proof Pressure Switch Features:

  • Explosion-proof enclosure provides uncompromising protection
  • Adjustable from 15%-100% of range
  • Fixed or limited adjustable deadband
  • Wide selection of switch elements
  • Stainless Steel, Buna, Viton, Teflon and Monel diaphragms available for compatibility
  • Ranges from vacuum to 3000 psi
  • 316L Stainless Steel housing available
  • External locking screw (ATEX / IECEx approval only)
  • UL, CSA, ATEX and IECEx hazardous approvals
  • CE, CRN and 3A approved
  • SIL 3 Capable
  • RoHS Compliant


B-Series NEMA 7/9 Explosion Proof Pressure Switch Applications:

  • 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


B-Series NEMA 7/9 Explosion Proof Pressure Switch Specifications:

SetpointSingle setpoint - Factory set or field adjustable
Accuracy1% of full span
Diaphragm/Actuator MaterialBuna-N, Teflon, Viton, 316L stainless steel, or Monel
Enclosure MaterialEpoxy coated aluminum or 316 stainless steel
Enclosure RatingsNEMA 7/9, IP66
Pressure Connection
  • NPT Female (STD.)
  • NPT Female, NPT Female & NPT Male combo (OPT.)
Electrical TerminationNPT Female, M20 X 1.5 (OPT.)
DeadbandFixed or limited adjustable
Pressure RangesVacuum to 3,000 psi
Ambient Temperature Range20F to 150F (28C to 65C)
Process Temperature
  • 0F to 150F (Buna N or Teflon diaphragm)
  • 0F to 300F (Stainless steel or Monel diaphragm)
  • 20F to 300F (Viton diaphragm)
Setpoint Repeatability (Accuracy)1% of span (Additional setpoint shift of 1% of range per 50F from initial setpoint set at 70F typical)


Download Ashcroft B-Series NEMA 7/9 Explosion Proof Pressure Switch Datasheet 

Contact us at (855) 737-4714 to learn more, or fill out our online form.

Short description

Designed for use in virtually all process, industrial and many OEM applications.