Thai Water Expo Digital Showroom Exhibitors | Product Highlights | MY LIST JINAN MEIDE CASTING CO., LTD. Country/Region: CHINA Hall No.: EH2 Stand No.: K47 ADD TO MY LIST More about this exhibitor Visit website Wet Alarm Check Valve Widely apply in fire protection system Working Pressure: 300PSI (2.1 MPa) Size Range: 3”(DN80) - 12”(DN300) False alarm prevention Low pressure loss High sensitivity 100% leak tested and Sensitivity test before leaving the factory