... .ISO:9001:2000,CE,ROHS,CQC 1.zero pressure solenoid valve2.plastic valve body ,brass joint3.ISO ... ,ROHS,CQCFLZ-5 is a zero pressure solenoid valve,the operational pressure of this model is 0-50 ... ratio of traditional zero-pressure solenoid valves and the flaws of high -pressure solenoid valves that cannot ... on or low flow rate under low water pressure.FLZ-5 has the demountable cleaning filtering net ...