Hydrogen Pressure Switches - F Series

  • Compact design
  • Hermetically sealed micro switches offer improved reliability and safety
  • Designed for applications such as alarm, shutdown, control and interlock
  • Explosion proof hydrogen pressure switches
  • Dual chamber for safety
  • Precision SPDT or DPDT snap-acting micro switch

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Hydrogen Pressure Switches - F Series

  • The Ashcroft® F7 pressure switch was designed for use in harsh or hazardous applications where shutdown, process control or alarms are required.
  • Its slim profile allows for easy installation and retrofits with many similar shaped models.
  • Ideal choice for satisfying hazardous and corrosive environments.

Key features

  • Explosion-proof enclosure with hermetically sealed switch elements provide added safety and reliability
  • Wide selection of switch elements
  • Multiple process connections available

Specifications

  • Adjustable setpoints from 15%-100% of range with fixed deadband
  • Setpoint: Single setpoint - factory set or field 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)
  • Diaphragm/actuator material: Buna N, Viton, Teflon, stainless steel diaphragm/Viton O-ring, 316 stainless steel welded, stainless steel piston/Viton O-Ring
  • Enclosure material: Anodized aluminum
  • Enclosure ratings: NEMA 3, 4, 7, 9, IP66
  • Pressure Connection: 1/4 NPT Female, 1/2 NPT Female
  • Electrical termination: 1/2 Male NPT conduit connection with 12.0' Lead Wires
  • Deadband: Fixed
  • Pressure ranges: Vacuum to 4000 psi (276 bar)
  • Ambient temperature range –20°F to 150°F (–28°C to 65°C) All units calibrated at 70°F
  • Process temperature:
    • 0°F to 150°F (Buna N, Teflon and Stainless steel diaphragm with Viton O-ring)
    • 20°F to 200°F (Stainless Steel diaphragm)
    • 20°F to 200°F (Viton diaphragm and Stainless Steel Piston with Viton O-ring)

Application areas

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

Contact us

  • The Ashcroft® F7 pressure switch was designed for use in harsh or hazardous applications where shutdown, process control or alarms are required. Interested? Please contact Ashcroft by filling in the contact vendor or request for quote form.
Ashcroft

At Ashcroft, we know safety and compliance are critical for hydrogen applications. That’s why we deliver proven pressure and temperature instruments—backed by over 170 years of expertise—that keep your systems running reliably and your people protected. From sensors and gauges to switches, diaphragm seals and temperature probes, our hydrogen-ready solutions help you avoid downtime, meet regulatory demands, and operate with confidence. With Ashcroft, you have a trusted partner who listens, supports, and delivers when it matters most.

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