The inline BelGAS Type P800 direct operating factory preset relief valve is designed for use in pneumatic applications that warrant protection from overpressurization. The Type P800 is used primarily between a pneumatic instrument and a supply regulator to limit the instrument supply pressure to 50 PSIG in the case of a supply regulator failure.
Features:
Non-rising Adjustment Assembly
Large 0.344 Relief Seat Diameter
Large Diaphragm Area
Applications:
Instrument air supply
Rolling diaphragm for enhanced accuracy
Tamper resistant spring case