Pilot Operated Non-Return Valve Available in two versions Low cracking and closing pressure Bubble tight - elastomer seat Plastic portion can be turned by 360° Teflon pre-coated male taper threads more...
IT IS USE IN EXPANSON ENGINE WHICH IS IMPLEMENTED ON OXYGEN PLANT OF 125 STROKES. IT IS NON LICKABLE IT IS ASSEMBLED BY USING SPRING NRV BODY 1/2'' S.S BALL & BRASS NUT . THE METERIAL WHICH IS USED FOR NRV BODY IS EN 8 AND ITS HARDNESS IS 55- 57 HSP.more...