Welded flow indicator / impeller visual flow indicator / Ruihai pipeline supply, Contact:? Lee, Tel: 0317-6395321,13393375568, QQ: 1335947599, URL: www.czrhgd.com Company Name: Hebei Ruihai Pipe Manufacturing Co., Ltd. Address: Hebei Yanshan south zone flow indicator, flow indicator of the series is divided into three-way flanged, welded, saddle clamp and threaded insert. You can choose different types according to different places and project conditions. Installation, use precautions: 1, the water level indicator should be installed in the piping system should not be side-mounted or flip, so as not to affect the flow indicator sensitivity. 2, connecting pipeline flow indicator must ensure that its front straight pipe length is not less than five times the pipe diameter, the choice should flow indicator according to technical parameters nominal diameter corresponding to the selected line according to the public. 3, the installation should pay attention to the direction of flow is, must not be the direction of the installation. Water flow indicator standard GD87 GD2000 Model DN15-DN250