| GENERAL CHARACTERISTICS ITEM DESCRIPTION | MATERIALS: BARREL VALVE SPRING: CORROSION RESISTANT STEEL, COMMERCIAL GRADE, TYPE 302 OR 304; SWIVEL PLUG, CUP, AND CENTER PIN: BRASS OR BRONZE, COMMERCIAL GRADE; CUP SEAL: SILICONE RUBBER, 70 DUROMETER; BARREL SEAL: POLYTETRAFLUOROETHYLENE, COMMERCIAL GRADE, 0.0001 INCH THINK MINIMUM; OPERATING TEMPERATURE; MINUS 65 DEG TO PLUS 350 DEG TEMP F; OPERATING PRESSURE ; 0TO 350 PSI; OPENING SPRING PRESSURE; 50 PSI MINIMUM |