Name: Hydrogen Pressure Switches - B Series
Availability: InStock

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Hydrogen Pressure Switches - B Series

The Ashcroft® B7 NEMA 7/9 pressure switch is designed for use in virtually all process, industrial and many 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

Explosion-proof enclosure provides uncompromising protection

Adjustable from 15%-100% of range

Fixed or limited adjustable deadband

Wide selection of switch elements

Stainless Steel, Buna, Viton, Teflon and Monel diaphragms available for compatibility

Ranges from vacuum to 3000 psi

316L Stainless Steel housing available

External locking screw (ATEX / IECEx approval only)

UL, CSA, ATEX and IECEx hazardous approvals

CE, CRN and 3A approved

SIL 3 Capable

RoHS Compliant

Specifications

Setpoint: Single setpoint - factory set or field adjustable

Accuracy: ±1% of full span

Setpoint repeatability (acccuracy): ±1% of span (Additional setpoint shift of ±1% of range per 50°F from initial setpoint set at 70°F typical)

Diaphragm/actuator material: Buna-N®, Teflon®, Viton®, 316L stainless steel, or Monel®

Enclosure material: Epoxy coated aluminum or 316 stainless steel

Enclosure ratings: NEMA 7/9, IP66

Pressure Connection:

¼ NPT Female (STD.)
½ NPT Female, ¼ NPT Female & ½ NPT Male combo (OPT.)

Electrical termination: ½ NPT Female, M20 X 1.5 (OPT.)

Deadband: Fixed or limited adjustable

Pressure ranges: Vacuum to 3,000 psi (207 bar)

Ambient temperature range–20°F to 150°F (–28°C to 65°C)

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Brand	Ashcroft
Max Pressure (in bar)	207
Ingress Protection Rating	IP66
Compliant with	ATEX, CE, CSA, FM, IECEx, SIL 3, UKCA, UL
Max Ambient Temperature (in °C)	65
Min Ambient Temperature (in °C)	-28

Hydrogen Pressure Switches - B Series