FREE-VALVE’splastic back pressure valveis installed in theline of positive pressure discharge of metering pump,its function is to prevent siphon phenomenon occur.Removingthe protective cap on the adjusting screwon site,thenrotating and adjustingscrew , the required ...
ZHENGZHOU FREE FLUID CONTROL TECHNOLOGY CO., LTD [Hardware] [Valves] [2021-05-13 16:57:37 ]