OUWEI Wafer Type Single Plate Swing Check Valve

Structural Feature Short structural length,only 1/4~1/8 of that of traditional flanged check valve; Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve; Quick valve disc closedown,low water hammer pressure; Applicable for and easily installed for vertical or horizontal pipelines; Smooth flow passageway and small fluid resistance; Flexible action and good sealing performance; Narrow valve travel and small closedown impact; Integrated structure,simple and compact,in beautiful shape; Long service life and good reliability. Main Parameter Specification Design and manufacture:API594,API 6D,JB/TB8937; Face to face and end to end:API594,API6D,DIN3202,JB/T8937; Pressure-temperature rating:ASME B16.34,DIN2410,GB/T9124,HG20625,SH3406,JB/T74; Inspection and test: API598,JB/T9092; Pipe flange: JB/T74~90,JB/T9112-9124,HG20592~20635,SH3406,ASME B16.5,DIN2543~2548,GB/T13402,API605,ASME B16.47. Product Range Body material: carbon steel, stainless steel, alloy steel,bronze Nominal diameter:1/2"~48"(DN15~DN1200) End Connection: RF,RTJ Pressure range: Class150~900(PN16~PN150) Working temperature:-196℃~+560℃