CHECK VALVE; NOMINAL SIZE: 1 IN; MAXIMUM OPERATING PRESSURE: 200 PSI; AS SEMBLY TYPE: THREADED; BRASS CHECK VALVE. 200 PSI WOG. 300 DEG F MAX. 1" FEMALE PIPE THREADS. METAL TO METAL SEAL WITH A STAINLESS STEEL POPPET. SENSITIVE SPRING, CAN BE USED IN ANY POSITION