Ashcroft LP-Series NEMA 4 Pressure Switch

Ashcroft LP-Series NEMA 4 pressure switches are designed for pressure control where high reliability, safety and accuracy are required and is used throughout general process and industrial markets globally.

CategoryProcess Instrumentation
  • Quoted to your quantity
  • Documentation on request
  • International delivery

Product Overview

Ashcroft LP-Series NEMA 4 pressure switches are designed for pressure control where high reliability, safety and accuracy are required and is used throughout general process and industrial markets globally.

The Ashcroft LP-Series pressure switch has been designed to be customised as an ideal solution for this type of pressure measurement.

Ashcroft LP-Series NEMA 7 Pressure Switch – Applications

  • Refineries
  • Chemical and Petrochemical Plants
  • Pulp and Paper Mills
  • Power Plants
  • Steel MillsWater and Sewage Treatment Facilities
  • 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 LP-Series pressure switch should ideally be used in temperatures ranging from –19 to +65°C.

Ashcroft LP-Series NEMA 4 Pressure Switch – Features

  • Wide selection of switch elements and wetted materials
  • Multiple process connections available
  • Adjustable setpoints from 15%-100% of range
  • Fixed or adjustable deadbands
  • Accuracy: ±1.00% full scale
  • NEMA 4X (IP65) aluminum enclosure
  • Single or dual set points

ASHCROFT LP-Series NEMA 4 – How To Order

Here is a typical ordering example for an Ashcroft LP-Series NEMA 4 pressure switch – for technical support, specification and sales contact our team.

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: 1/4 NPT Female Standard on Pressure and D/P (25)
  • Options: Pilot Lights (XP3)
  • Switch Range : 30 psi (30PSI)

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.

Ashcroft Gauges – Instrumentation For Water & Waste Water Treatment Industries

Image : Mott MacDonald

Hazardous Areas

Hazardous area (ATEX & IECEx Certified) flameproof pressure gauges are available for potentially explosive atmospheres – T&D’s CompEX Certificated Sales Team supply worldwide oil, gas and petrochem projects, call us. ➡ Did you know? T&D distribute Water, Gas & Heat Meters from Itron, Elster and Kamstrup : visit our Metering section.

Technical Specifications

CategoryProcess Instrumentation
Ashcroft Model NumberAshcroft LP-Series NEMA 4
SetpointFactory 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)
DiaphragmBuna N, Viton, Teflon, SS, Monel
Enclosure MaterialNEMA 4, 4X L-Series: Epoxy Coated, Die Cast Aluminum, IP66 G-Series: 316 SS IP65
Pressure Connection1/4 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 Temperature0 °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 RangesPressure: Vac-3000# Differential: 0-600#D
ApprovalsUL CSA CE

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