B-Series NEMA 7/9 Pressure Switch

B-Series NEMA 7/9 Pressure Switch

The Ashcroft® B7 NEMA 7/9 pressure switch may be used on virtually all industrial and OEM applications.
The Ashcroft® B7 explosion proof pressure switch is designed for use in virtually all industrial and OEM applications. This model provides accuracy, reliability and long-cycle life, while the rugged, explosion-proof housing provides superior protection. Ideal for satisfying requirements for pressure control, safety shutdown or alarm operations in hazardous applications.

Key Features

CE, CRN and 3A approved

Internal setpoint locking screw

UL, CSA, ATEX and IECEx hazardous approvals

316L Stainless Steel housing available

SIL 3 Capable

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

Explosion-proof housing provides uncompromising protection

Wide selection of switch elements

Markets & Applications

Oil and Gas

Pulp and Paper

Machine Automation

Water and Wastewater

Hydrogen and Technical Gases

Pumps and Compressors

HVAC-R

Chemical and Petrochemical

Energy

Gas Measurement; Burners

Boilers

Food and Beverage

  • Specifications
  • Downloads

Ingress Protection

IP66 / NEMA 7/9

Setpoint

Single setpoint - Field adjustable

Deadband Fixed

Deadband limited adjustable

Case or Body Material

Stainless steel 316L (1.4404)

Epoxy coated aluminium

Electrical Termination

3/4 NPT female

1/2 NPT female

M20x1.5 female

Cable gland Ex d

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
Installation + Maintenance
Declaration of Conformity
Industry Brochures
Product + Technical Information
Drawings + Models

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