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.
P-Series NEMA 7/9 Explosion Proof Pressure Switch 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
P-Series NEMA 7/9 Explosion Proof Pressure Switch Applications:
- Process Market:
- Refineries
- Chemical and Petrochemical plants
- Water and Sewage Treatment Facilities
- Steel Mills
- Industrial Market:
- Pumps, Compressors and Turbines
- Boilers and Burners
- Reverse Osmosis Systems
P-Series NEMA 7/9 Explosion Proof Pressure Switch 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) |
Deadband | Fixed or adjustable |
Enclosure Ratings | NEMA 7/9, IP66 |
Enclosure Material | Epoxy coated aluminum |
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.)
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Diaphragm/Actuator Material | Buna-N®, Teflon®, Viton®, 316L stainless steel, or Monel® |
Pressure Ranges | Vacuum to 3,000 psi |
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)
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Download Ashcroft P-Series NEMA 7/9 Explosion Proof Pressure Switch Datasheet Contact us at
(855) 737-4714 to learn more, or fill out our
online form.