sainless steel ball valve,material:WCB,SS,DI,GI.Standard: BSPT, NPT,ANSI,DIN,JIS ITEM No.:ZQ602P,sainless steel ball valve2-Pieces ... threaded end Stainless Steel Ball Valves(2pcs ss screwed end ball valves, 2pcs threaded end ss ball valve FULL PORT. 1000 WOG 2000psi ... 4" - 4" 1000 PSI (PN63) / 450deg. F15% reinforced glass fibrous Teflon seatsBlow-out proof stem S/S 316, adjustable stem packing ...