55ABBC09V010000000

5500 SERIES PILOT OPERATED PRESSURE VENT W/ PIPE AWAY, 10" INLET SIZE; 12" OUTLET SIZE, MATES WITH STANDARD ASME 150# FLANGED CONNECTIONS; FLAT FACE ALUMINUM BODY, ALUMINUM COVER, ALUMINUM SEAT RING WITH FLAME SCREEN; 41.8" - 86.0" WC PRESSURE SPRING RANGE; FLUOROCARBON ELASTOMER (FKM) ACTUATOR DIAPHRAGM, FLUOROCARBON ELASTOMER (FKM) PILOT SEALS & SEAT; OPT-1; INTERNAL SENSING,SST PILOT, EXHAUST TO ATMOSPHERE;