Products DetailsWenzhou Yuzheng Valve Pipe-Fitting Co.,Ltd is one of the leading China wafer type double disc swing check valve (h76) manufacturers,Website:http://www.yz-valves.com, welcome to wholesale cheap wafer type double disc swing check valve (h76) from our professional factory.Wafer Type Double Disc Swing Check Valve(H76)Standard and specification:1.Design and manufacture:API594,API 6D,JB/TB8937;2.Face to face and end to end:API594,API6D,DIN3202,JB/T8937;3.Pressure-temperature rating:ASME B16.34,DIN2410,GB/T9124,HG20625,SH3406,JB/T74;4.Inspection and test: API598,JB/T9092;5.Pipe flange: JB/T74~90,JB/T9112-9124, HG20592~20635, SH3406, ASME B16.5, DIN2543~2548,GB/T13402,API605, ASME B16.47. Structural Feature:1.Short structural length,only 1/4~1/8 of that of traditional flanged check valve;2.Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve;3.Quick valve disc closedown,low water hammer pressure;4.Applicable for and easily installed for vertical or horizontal pipelines;5.Smooth flow passageway and small fluid resistance;6.Flexible action and good sealing performance;7.Narrow valve travel and small closedown impact;8.Integrated structure,simple and compact,in beautiful shape;9.Long service life and good reliability.