D-Series NEMA 4X Differential Pressure Switch

D-Series NEMA 4X Differential Pressure Switch

The Ashcroft® D4 Differential Pressure switch is designed for use on most applications requiring reliability and long-cycle life.
The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations.

Key Features

Adjustable setpoints from 15% ... 100% of range

Wide selection of switch elements

FM, UL, CE, and CRN approved

Internal setpoint locking screw

SIL 3 Capable

Markets & Applications

Oil and Gas

Machine Automation

Hydrogen and Technical Gases

Pharmaceuticals

Pumps and Compressors

HVAC-R

Chemical and Petrochemical

Energy

Boilers

Gas Measurement; Burners

Pulp and Paper

Food and Beverage

Filtration Monitoring

Water and Wastewater

  • Specifications
  • Downloads

Mounting

Stem

Surface

2" pipe mounting

Process Connection Style

Threaded

Accuracy

1% of span

Switch Style

Microswitch DPDT

Microswitch SPDT

Pressure Type

Differential pressure

Ranges

75 ... 375 mbar / 30 ... 150 in. H2O

1 ... 42 bar / 15 ... 600 psi

Wetted Parts Material

Buna-N®

Teflon®

Viton®

Stainless steel 316L (1.4404)

Static Pressure

0.375 ... 70 bar / 5.4 ... 1000 psi

PN100

Ingress Protection

IP66 / NEMA 4X

Electrical Termination

Plastic cable gland

Hirschmann EN 175301-803 Form A

3/4 NPT female

1/2 NPT female

M20x1.5 female

Case or Body Material

Epoxy coated aluminium

Setpoint

Deadband Fixed

Deadband limited adjustable

Single setpoint - Field adjustable

Process Connection Location

Bottom/side

In-line

Data Sheets
Declaration of Conformity
Industry Brochures
Product + Technical Information
Drawings + Models

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