110134 1"RELIEF VLV,100# 3060000 BTUH Xylem Bell & Gossett Application_For 80M 140M 199M Advanced close coupled design increases pump 3750 Plain Jergens tooling Advanced close coupled design increases pump life and efficiency this fan blade minimizes vibrations and noise 000 BTUH)EPDM diaphragm operated (cast iron models) and diaphragm assisted (bronze models) have an effective area approximately 5 times greater than conventional "pop type" relief valves to help overcome the effects of fouling Low differential between opening and closing pressures helps to prevent conditions under which system water might flash to steam and cause hammering