Water Flow Detector Specifications: 1) Size: 50mm, 65mm, 80mm, 125mm, 150mm, 200mm Water Flow Detector Specifications:1) Size: 50mm, 65mm, 80mm, 125mm, 150mm, 200mm2) Seal test pressure: 2.4Mpa3) Working pressure: 0.14 - 1.2MPa4) Active standard: 15L/mim