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BALL VALVE SCREWED END BLOW OUT PROOF NPT Specifications: Full port W. P.: 1/4"~2"-2000 WOG(PN150) 2-1/2 "~3"-1500 WOG(PN100) W. T.:-20℃ ~200℃ (-4℉~392℉) Investment casting Blow-out proof stem Anti...