COMPANY HEADER
Request Information
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.
Unit of Measure

Specifications

Brands

 N/A Ashcroft®

Setpoint

 N/A Single Setpoint, Adjustable Deadband Single Setpoint, Fixed Deadband Dual Independent Setpoint, Fixed Deadband

Enclosure Ratings

 N/A National Electrical Manufacturers Association (NEMA) 7/9 Ingress Protection (IP66)

Electrical Termination

 N/A 1/2 in. National Pipe Thread (NPT) Female 3/4 in. National Pipe Thread (NPT) Female (Standard) M20 x 1.5 (Optional)
Ambient Temperature Range1 N/A -20 to 150 ºF-29 to 65 ºC

Setpoint Repeatability (Accuracy)

 N/A ± 1% of Span (Additional setpoint shift of ± 1% of range per 50 ºF from initial setpoint set at 70 ºF typical)

Enclosure Material

 N/A Epoxy Coated Aluminum

Diaphragm/Actuator Material

 N/A Buna-N® Polytetrafluoroethylene (PTFE) Fluorocarbon (FKM) 316L Stainless Steel Monel®

Process Temperature (Buna-N® or Polytetrafluoroethylene (PTFE) Diaphragm)

 N/A 0 to 150 ºF

Process Temperature (Stainless Steel or Monel® Diaphragm)

 N/A 0 to 300 ºF

Process Temperature (Fluorocarbon (FKM) Diaphragm)

 N/A 20 to 300 ºF

Deadband

 N/A Fixed Adjustable

Pressure Connection

Pressure Connection Size

 N/A 1/4 in. National Pipe Thread (NPT) Female and 1/2 National Pipe Thread (NPT) Male Combination

Pressure Connection (National Pipe Thread (NPT) Female)

 N/A 1/4 in1/2 in

Pressure Ranges

Pressure Ranges

 N/A Vacuum to 3,000 psi

Gauge Function

 N/A Vacuum Pressure

Key Features

Key Features

 N/A
  • National Electrical Manufacturers Association (NEMA) 7 and 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-N®, Fluorocarbon (FKM), Polytetrafluoroethylene (PTFE) and Monel diaphragms available for compatibility
  • UL and CSA hazardous approvals
  • CRN approved
  • RoHS Compliant

Applications

Applications

 N/A 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
  • 1 All units calibrated at 70 ºF