550-001K-810

5500 SERIES PILOT OPERATED PRESSURE VENT W/ PIPE AWAY, 3" INLET SIZE; 3" OUTLET SIZE, MATES WITH STANDARD ASME 150# FLANGED CONNECTIONS; RAISED FACE CARBON STEEL BODY & COVER, SST SEAT RING; 2.1 - 12.0" WC PRESSURE SPRING RANGE; FEP-TFE ACTUATOR DIAPHRAGM, BUNA-N PILOT SEALS & SEAT; SALES KIT