부품 정보
825y; reduced backflow preventer; consist of 2 y pattern spring load check valvesw/differential pressure relief valve between them; inlet and outlet shutoff valves and 4 testcocks; bronze body, caps, relief valve body and cover; nitrile seat discs; fabric reinforced nitrile diaphragms; stainless steel springs; wear and corrosion resistant acetal internal moving parts; fully ported, non-rising stem bronze gate valves; working pressure 175 psi; hydrostatic test pressure 350 psi; 32 to 180 deg. F temp. Rrange; size 3/4 in.; length 11 1/4 in.; height 7 5/8 in.
