Ashcroft PP-Series NEMA 7 Pressure Switch
Ashcroft PP-Series NEMA 7 pressure switches are designed for pressure control in harsh applications where uncompromising protection is required.
The Ashcroft PP-Series NEMA 7 pressure switch has proven technology providing a stable, long-lasting product; ideal for satisfying pressure control, shutdown or alarm operations.
Ashcroft PP-Series NEMA 7 Pressure Switch – Applications
- Refineries
- Chemical and Petrochemical plants
- Water and Sewage Treatment Facilities
- Steel Mills
- Pumps, Compressors and Turbines
- Boilers and Burners
- Reverse Osmosis Systems
Ashcroft PP-Series NEMA 7 Pressure Switch – Features
- Explosion Proof Enclosure
- Dual chamber design allows for field calibration to be performed safely, even with power connected
- Wide selection of switch elements and wetted materials
- Process connection options available
Ashcroft PP-Series NEMA 7 Pressure Switch – Product Specifications
Ashcroft Model Number | Ashcroft PP-Series NEMA 7 |
Setpoint | Single or Dual |
Accuracy | ±0.50% full scale |
Enclosure | Watertight epoxy coated aluminum explosion proof NEMA 7/9, IP66 |
Pressure Ranges | vacuum to 3,000 psi |
Approvals | UL, CSA, CE |
ASHCROFT PP-SERIES NEMA 7 – How To Order
Here is a typical ordering example for an Ashcroft PP-Series NEMA 7 pressure switch – for technical support, specification and sales contact T&D.
Ashcroft Switch P P D N 7 G G B 2 5 X K 3 30 PSI
- Function : Pressure control, two independently adjustable setpoints, fixed deadband (PPD)
- Enclosure : N7-NEMA 7&9, IP66 (explosion proof Div. 1 & 2) (N7)
- Switch Elements for PPA & PDA Controls : General Purpose 15A, 125/250/480 Vac, 1/2A, 125 Vdc 1/4A, 250 Vdc (G)
- Actuator: B – Buna-N . (B)
- Pressure Port : ⁄4˝ NPT Female (Std. up to 1000#) (25)
- P-series options : Terminal Blocks (XK3)
- Nominal Range Performance Table (psi) : (30 PSI)

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