... 3.ISO:9001:2000,CE,ROHS,CQC 1.zero pressure solenoid valve2.plastic valve body ,brass joint3.ISO:9001:2000,CE,ROHS ... ,CQCFLZ-5 is a zero pressure solenoid valve,the operational pressure of this model is 0-50 meters .It ... that cannot turn on or low flow rate under low water pressure.FLZ-5 has the demountable cleaning filtering net.The user ...