Hydrogen Pressure Switch - P Series

Ashcroft

  • Epoxy-coated aluminum enclosures provide added protection in harsh environments
  • Dual chamber design provides safe setpoint adjustment even with power connected
  • Designed for use in wide range of applications
  • Easily configurable pressure switch to meet your application requirements
  • Hermetically sealed micro switches offer improved reliability and safety (UL Class I Div II approval)

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Hydrogen Pressure Switch - P Series

  • 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.

Key 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 3000 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

Specifications

  • Setpoint:
    • Dual independent setpoints, fixed deadband
    • Single setpoint, adjustable deadband
    • Single setpoint, fixed deadband
  • Setpoint repeatability (Accuracy): ±1% of span (Additional setpoint shift of ±1% of range per 50°F from initial setpoint set at 70°F typical)
  • Diaphragm/actuator material: 316L stainless steel diaphragm or stainless steel piston w/Viton or Buna-N O-ring
  • Enclosure material: Epoxy coated aluminum
  • Enclosure ratings: NEMA 7/9, IP 67
  • Pressure Connection:
    • 1/4 NPT Female and 1/2 NPT Male Combination
    • 1/4 NPT Female, 1/2 NPT Female
  • Electrical termination:
    • ¾ NPT Female (STD.)
    • ½ NPT Female, M20 X 1.5 (OPT.)
  • Deadband: Fixed or adjustable
  • Pressure ranges: Vacuum -15 to 3000 psi (207 bar)
  • Ambient temperature range -20°F to 150°F (-29°C to 65°C) All units calibrated at 70°F
  • Process temperature:
    • 0°F to 150°F (Buna N or Teflon diaphragm)
    • 0°F to 300°F (Stainless steel or Monel diaphragm)
    • 20°F to 300°F (Viton diaphragm)

Application areas

  • Hydrogen applications
  • Pumps, compressors and turbines
  • Refineries

Contact us

  • The Ashcroft® P-series pressure switch was designed for use with harsh applications where uncompromising protection is required. Interested? Please contact Ashcroft by filling in the contact vendor or request for quote form.
Brand Ashcroft
Max Pressure (in bar) 207
Ingress Protection Rating IP66
Compliant with CE, CSA, UL
Max Ambient Temperature (in °C) 65
Min Ambient Temperature (in °C) -29
Ashcroft You shouldn't have to be an expert in pressure and temperature instrumentation to get the right components for your hydrogen applications. You need a partner with expertise in the hydrogen industry who can help you meet instrument quality and safety requirements. Ashcroft has decades of experience partnering with customers and offering solutions for their hydrogen applications including pressure sensors (transducers and transmitters), pressure gauges, pressure switches, diaphragm seals and temperature sensors. Let us help you navigate the expanding hydrogen market and its demands.
99% of all inquiries get answered within 5 days. Your inquiry will be sent immediately to the right person within the vendor organisation.

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