GP-Series NEMA 4 Pressure Switch
The Ashcroft® GP pressure switch is designed for use on tough applications requiring a 316L stainless steel enclosure. The simple design allows for easy field installation and calibration, while proven technology ensures a highly reliable, safe and accurate switch. Ideal for pressure control, safety shutdown or alarm operations when two independent setpoints or adjustable deadbands are required.
Key Features:
- Compact, 316L stainless steel housing provides uncompromising protection.
- Stainless steel, Buna, Viton, Teflon and Monel diaphragms available for compatibility
- Wide selection of switch elements
- Factory set or field adjustable setpoint
- UL, CSA, CE, CRN and 3A approved
- RoHS Compliant
Applications:
Process Market:
Refineries
Chemical and Petrochemical Plants
Pulp and Paper Mills
Power Plants
Steel Mills
Water and Sewage Treatment Facilities
Industrial Market:
Pumps, Compressors and Turbines
Dairies and Breweries
Boilers and Burners
Reverse Osmosis Systems
Filters and Presses
Paint Spraying Equipment
Specialized OEM Equipment
Medical and Life Sciences Market:
Pharmaceutical Plants
Specifications
Certifications & Approvals
Datasheets & Instruction Manuals
Drawings & Product/Technical Information
Setpoint
Single setpoint, adjustable deadband
Single setpoint, fixed deadband
Two independent setpoints, 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 4X / IP66
Enclosure Material
316L Stainless steel
Pressure Connection
¼ NPT Female (STD.)
½ NPT Female, ¼ NPT Female & ½ NPT Male combo (OPT.)
Electrical Termination
¾ NPT Female (STD.)
1/2 NPT Female M20x1.5 (OPT.)
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 (–28°C to 65°C)
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)
Datasheets:
Drawings:
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Resources & Tools
Materials Selector
Use the selector to review compatible wetted materials and requirements of your application.
Unit Converter
Need to convert measurement units? Check out our quick and easy tool to convert pressure, temperature and flow units of measure.
Product Information
To learn more about the technical details for options available, review our product information (PI) pages.
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