Min. Order Reference FOB Price
10 Pieces US$49.42 / Piece
Product Description
Fire spinkler FM UL water flow switch vane type 450PSI DN50 to DN200 The vane type water flow switch use in wet pipe systems only. Water flow in the pipe deflects a vane, which produces a switched output usually after a specified delayMain ZSJZ series water flow indicator is mainly composed of ...