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P-Series NEMA 7/9 Explosion Proof Pressure Switch

Brand: Ashcroft Inc
Does not ship to OH, United States

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

This accurate and reliable switch provides long-cycle life, while its rugged, explosion-proof housing provides superior protection.

This switch is ideal for pressure control, shutdown or alarm operations.

Features
  • NEMA 7 & 9 Explosion Proof Enclosure
  • Dual chamber design allows for field calibration to be performed safely, even with power connected
  • Ranges from vacuum to 3,000 psi
  • Wide selection of switch elements
  • Stainless Steel, Buna, Viton, Teflon and Monel diaphragms available for compatibility
  • UL and CSA hazardous approvals
  • CRN approved
  • RoHS Compliant
  • NSF-61 Compliant

Specifications

Brand

Process Connection

  • 1/2" NPT Female
  • 1/4" NPT Female
  • 1/4" NPT Female & 1/2" NPT Male Combination

Process Connection Material

  • 316L Stainless Steel
  • Epoxy Coated Carbon Steel
  • Nickel-Plated Brass
  • Monel

Pressure Range

  • Vacuum to 3,000 psi

Enclosure Material

  • Epoxy Coated Aluminum

Diaphragm/Actuator Material

  • Buna-N
  • Teflon
  • Viton
  • 316L Stainless Steel
  • Monel

Ambient Temperature

  • -29° to 65° C (-20° to 150° F)
  • All Units Calibrated at 70° F

Process Temperature

  • 0° to 150° F (Buna N or Teflon diaphragm)
  • 0° to 300° F (Stainless steel or Monel diaphragm)
  • 20° to 300° F (Viton diaphragm)

Electrical Connection

  • 3/4" NPT Female Standard
  • 1/2" NPT Female, M20 X 1.5 (OPT.)

Approvals & Certifications

  • CE
  • CSA
  • UL
  • NSF 61 Compliant
  • RoHS
  • CRN

Enclosure Rating

  • NEMA 7, 9 & IP66

Setpoint

  • Single Setpoint, Fixed Deadband
  • Single Setpoint, Adjustable Deadband
  • Dual Independent Setpoints, Fixed Deadband

Deadband

  • Fixed or Adjustable

Setpoint Repeatability (Accuracy)

  • ± 1 % of Span
  • Additional setpoint shift of ±1% of range per 50° F from initial setpoint set at 70° F typical

Switch Type

  • SPDT or 2 SPDT with independent setpoints

  • Process Market:
    • Refineries
    • Chemical & Petrochemical Plants
    • Water & Sewage Treatment Facilities
    • Steel Mills
  • Industrial Market:
    • Pumps, Compressors & Turbines
    • Boilers & Burners
    • Reverse Osmosis Systems

Documentation

Data Sheet

Instruction Manuals

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