B-Series NEMA 4X Pressure Switch

B-Series NEMA 4X Pressure Switch

The Ashcroft® B4 pressure switch may be used on virtually all industrial and OEM applications.
The Ashcroft® B4 pressure switch is designed for use in virtually all industrial and OEM applications. Providing reliability and long-cycle life, it is ideal for satisfying requirements for pressure control, shutdown or alarm operations. Special designs are available to meet boiler/burner, NACE and fire-safe applications.

Key Features

Special designs for UL fuel and steam limit control

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

Wide selection of switch elements

SIL 3 Capable

Internal setpoint locking screw

FM, UL, CE, CRN and 3A approved

Markets & Applications

Water and Wastewater

Oil and Gas

Machine Automation

Hydrogen and Technical Gases

Pumps and Compressors

HVAC-R

Chemical and Petrochemical

Energy

Boilers

Gas Measurement; Burners

Pulp and Paper

Food and Beverage

  • Specifications
  • Downloads

Ingress Protection

IP66 / NEMA 4X

Setpoint

Single setpoint - Field adjustable

Deadband Fixed

Deadband limited adjustable

Case or Body Material

Epoxy coated aluminium

Electrical Termination

3/4 NPT female

1/2 NPT female

M20x1.5 female

Plastic cable gland

Hirschmann EN 175301-803 Form A

Process Connection Location

Lower

Mounting

Stem

Surface

2" pipe mounting

Switch Style

Microswitch DPDT

Microswitch SPDT

Process Connection Style

Threaded

Accuracy

1% of span

Ranges

Vacuum

Compound

1 ... 210 bar / 15 ... 3000 psi

25 ... 375 mbar / 10 ... 150 in. H2O

Wetted Parts Material

Buna-N®

Teflon®

Viton®

Stainless steel 316L (1.4404)

Monel

Pressure Type

Gauge pressure

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

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