THREAD ENDS DISC CHECK VALVE TYPE : DISC CHECK VALVE THREAD ENDS DISC CHECK VALVE SCREWED BSP-T,NPT,SW,BW MATERIAL : CF8 CF8M BRASS FORGE STEEL WCB CAST IRON DUCTILE etc. Category: Check Valve Related products WATER / FLANGED ENDS DISC CHECK VALVE Read more DUAL PLATE WAFER TYPE CHECK VALVE Read more