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Hydrogen Pressure Switches - F Series

The Ashcroft® F7 pressure switch was designed for use in harsh or hazardous applications where shutdown, process control or alarms are required.

Its slim profile allows for easy installation and retrofits with many similar shaped models.

Ideal choice for satisfying hazardous and corrosive environments.

Specifications

Adjustable setpoints from 15%-100% of range with fixed deadband

Setpoint: Single setpoint - factory set or field adjustable

Setpoint Repeatability (Accuracy): ±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, Viton, Teflon, stainless steel diaphragm/Viton O-ring, 316 stainless steel welded, stainless steel piston/Viton O-Ring

Enclosure material: Anodized aluminum

Enclosure ratings: NEMA 3, 4, 7, 9, IP66

Pressure Connection: 1/4 NPT Female, 1/2 NPT Female

Electrical termination: 1/2 Male NPT conduit connection with 12.0' Lead Wires

Deadband: Fixed

Pressure ranges: Vacuum to 4000 psi (276 bar)

Ambient temperature range –20°F to 150°F (–28°C to 65°C) All units calibrated at 70°F

Process temperature:

0°F to 150°F (Buna N, Teflon and Stainless steel diaphragm with Viton O-ring)
20°F to 200°F (Stainless Steel diaphragm)
20°F to 200°F (Viton diaphragm and Stainless Steel Piston with Viton O-ring)

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Brand	Ashcroft
Max Pressure (in bar)	276
Ingress Protection Rating	IP66
Compliant with	CE, CSA, UKCA, UL
Max Ambient Temperature (in °C)	65
Min Ambient Temperature (in °C)	-28

Hydrogen Pressure Switches - F Series