Ashcroft GP-Series NEMA 4 Pressure Switch
Ashcroft GP-Series NEMA 4 pressure switches are designed for pressure control in tough applications requiring a 316L stainless steel enclosure and is used throughout general process and industrial markets globally due to the switch’s reliability, performance and safety.
The Ashcroft GP-Series pressure switch has been designed to be customised as an ideal solution for this type of pressure measurement.
Ashcroft GP-Series NEMA 4 Pressure Switch – Applications
- Offshore oil rigs
- Chemical and petrochemical plants
- Pulp and papermills
- Steel mills
- Power plants
- Water and sewage-treatment plants
- Pumps, Compressors and Turbines
- Dairies and Breweries
- Boilers and Burners
- Reverse Osmosis Systems
- Filters and Presses
- Paint Spraying Equipment
- Specialized OEM Equipment
- Pharmaceutical Plants
The Ashcroft GP-Series pressure switch should ideally be used in temperatures ranging from –19 to +65°C.
Ashcroft GP-Series NEMA 4 Pressure Switch – Features
- Wide selection of switch elements and wetted materials
- Choice of process connections
- Fixed or adjustable deadbands; adjustable setpoints from 15%-100% of range
- Accuracy: ±1.00% full scale
- NEMA 4X (IP65) 316L stainless steel enclosure
- Single or dual set points
- Pressure ranges: vacuum to 3,000 psi
Ashcroft GP-Series NEMA 4 Pressure Switch – Product Specifications
| Ashcroft Model Number | Ashcroft GP-Series NEMA 4 |
| Setpoint | Factory set or field adjustable |
| Setpoint Repeatability | ±1% of full range (Additional setpoint shift of ±1% of range per 50 °F from initial setpoint set at 70 °F typical) |
| Diaphragm | Buna N, Viton, Teflon, SS, Monel |
| Enclosure Material | NEMA 4, 4X L-Series: Epoxy Coated, Die Cast Aluminum, IP66 G-Series: 316 SS IP65 |
| Pressure Connection | 1/4 NPT Female Standard on Pressure and D/P, 1/4 NPT Female and 1/2 NPT Male Combination Pressure Only, 1/2 NPT Female |
| Ambient Temperature Range | –20°F to 150°F (–19 °C to 65 °C) All units calibrated at 70 °F |
| Process Temperature | 0 °F to 150 °F (Buna N or Teflon diaphragm) 20 °F to 300 °F (Viton diaphragm) 0°F to 300°F (SS or Monel diaphragm) |
| Pressure Ranges | Pressure: Vac-3000# Differential: 0-600#D |
| Approvals | UL CSA CE |
ASHCROFT GP-Series NEMA 4 – How To Order
Here is a typical ordering example for an Ashcroft GP-Series NEMA 4 pressure switch  – for technical support, specification and sales contact T&D.
Ashcroft Switch GPD N4 GG B 25 XK3 30PSI
- Function: Pressure control, two independently adjustable setpoints, fixed deadband (GPD)
- Enclosure : NEMA 4, 4X G-Series: 316 SS IP65 (N4)
- Switch Elements For GPD/LPD, GPS/LPS, LDD/GDD & LDS/GDS Controls : General purpose, 15A, 125/250/480 Vac, 1/2A, 125 Vdc, 1/4A, 250 Vdc (GG)
- Actuator Seal : Buna N (B)
- Pressure Connection:Â 1/4 NPT Female Standard on Pressure and D/P (25)
- Options: Pilot Lights  (XP3)
- Switch Range : 30 psi (30PSI)
Pressure Gauges – Ashcroft commercial gauges can be used to measure pressure on fire protection sprinkler pipework systems.
ASHCROFT
Watch how Ashcroft pressure gauges and temperature instruments protect people in all industries and every environment.
ASHCROFT & THE WATER INDUSTRY
Ashcroft gauges monitor pressure in filtration, flow and level applications including pumps, control systems, filters and heat exchangers – providing process pressure measurement for hydrostatic pressure, filter monitoring or regulating flow and deionized water.
T&D service the global water utility industry with Electrical, Mechanical, Process & Instrumentation Equipment – this includes Water Metering, Heat Tracing, Gas Detection and Process Heating. Image : Mott MacDonald
Hazardous Areas
Ashcroft GP-Series NEMA 4 Pressure Switch – Data Sheet
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