SWING CHECK VALVE
Product description
SWING CHECK VALVE
NPS:DN50-DN500
Class:PN16-PN40
WCB、304、316、WC6、WC9、C5、304L、316L、2205等
Design Rating:GB/T12236
Face to Face:GB/T12221
Flanged Ends:JB/T79、GB/T9113、HG/T20592
Testing:GB/T26480、JB/T9092、GB/T13927