As an adjustable, self-resetting, pressure-limiting device to protect instrumentation from over pressurization and subsequent damage. Designed to protect pilots on high-pressure regulators. Blocks the sense line or supply pressure to a device when it exceeds the adjustable limit of 300 psig. Reopens when inlet pressure drops below the limit.

Specifications

• Connection Size: 0.25 "
• Body Material: Steel
• NACE MR0175 Compliant
• Pilot Type: Vent
• Max. Working Pressure: 4000 psig
• Max. Set Point Pressure: 300 psig
• Operation: Pneumatic
• Catalog Page: Y:290.2