... 1zero pressure solenoid valve 2.plastic valve body ,brass joint 3.ISO:9001:2000,CE,ROHS,CQC 1.zero pressure solenoid valve2.plastic valve body ,brass ... :9001:2000,CE,ROHS,CQCFLZ-5 is a zero pressure solenoid valve,the operational pressure of this model is 0-50 meters ... the filtering net at home.Thus,it reduces the professional service cost of such products. The main technical data: Rated voltageControl ...