Low Resistant Slow Closing Check Valve

Low resistant slow closing check valve is utilized for drainage system. The check valve is installed at the exit of pump to avoid refluence of medium and eliminate destructive water hammer. It can also decrease the pressure of water hammer effectively to ensure safety when check valve closed. Characteristics 1. Utilizing hydraulic slow closing installation 2. Light weight, large aperture, energy conservation 3. Reliable seal, wearing resistance, long service life, no vibration, no noise, etc. Standards Design: GB/T 12233 Face to Face : GB/T 12221 Flange: JB/T 79,HG20592,GB9113,ANSI Test & Inspection: JB/T 9092,GB/T13927 Pressure & Temperature: GB/T 9131 Marking: GB/T 12220 http://www.xinhaivalve.com/