Hydrogen Pressure Switches - B Series

Ashcroft

  • Highly reliable
  • Designed for use in wide range of applications
  • Adjustable setpoints 15-100% of range
  • Fixed or limited adjustable deadband
  • Wide selection of switch elements
  • Explosion proof hydrogen pressure switches provides uncompromising protection

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Hydrogen Pressure Switches - B Series

  • 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.

Key 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

Specifications

  • Setpoint: Single setpoint - factory set or field adjustable
  • Accuracy: ±1% of full span
  • Setpoint repeatability (acccuracy): ±1% of span (Additional setpoint shift of ±1% of range per 50°F from initial setpoint set at 70°F typical)
  • Diaphragm/actuator material: Buna-N®, Teflon®, Viton®, 316L stainless steel, or Monel®
  • Enclosure material: Epoxy coated aluminum or 316 stainless steel
  • Enclosure ratings: NEMA 7/9, IP66
  • Pressure Connection:
    • ¼ NPT Female (STD.)
    • ½ NPT Female, ¼ NPT Female & ½ NPT Male combo (OPT.)
  • Electrical termination: ½ NPT Female, M20 X 1.5 (OPT.)
  • Deadband: Fixed or limited adjustable
  • Pressure ranges: Vacuum to 3,000 psi (207 bar)
  • Ambient temperature range–20°F to 150°F (–28°C to 65°C)

Application areas

  • Hydrogen applications
  • Pumps, compressors and turbines
  • Specialized OEM Equipment

Contact us

  • The Ashcroft® B7 NEMA 7/9 pressure switch is designed for use in virtually all process, industrial and many OEM applications. 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 ATEX, CE, CSA, FM, IECEx, SIL 3, UKCA, UL
Max Ambient Temperature (in °C) 65
Min Ambient Temperature (in °C) -28
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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