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.
