QTY. 1. NOREVA 12" 600 RAISED FACE AXIL FLOW (NOZZLE) CHECK VALVE PART NO. NKF 12" 060AROFSPI1 VALVE NFK 12" 060 OFSPI1 NFK 12" ANSI 600 RAISED FACE RZ 16-25

QTY. 1. NOREVA 12" 600 RAISED FACE AXIL FLOW (NOZZLE) CHECK VALVE PART NO. NKF 12" 060AROFSPI1 VALVE NFK 12" 060 OFSPI1 NFK 12" ANSI 600 RAISED FACE RZ 16-25 BODY: A352 LCC THE ASTM A352 SPECIFICATION COVERS MULTIPLE GRADES OF LOW-TEMPERATURE CARBON STEEL LCC O. LAY 316 SS. DISC: A351 CP8M SPRING: INCONEL X750 INCONEL X750 IS A NICKEL-CHROMIUM ALLOY THAT IS PRECIPITATION HARD ENABLE. IT IS MADE BY ADDING TITANIUM AND ALUMINUM TO THE ALLOY. INCONEL X750 IS USED FOR ITS CORROSION AND OXIDATION RESISTANCE AND HIGH STRENGTH AT TEMPERATURES UP TO 1300°F. IT ALSO HAS EXCELLENT PROPERTIES DOWN TO CRYOGENIC TEMPERATURES. IPES NO. 844162. WEIGHT 541.2 LBS. NOREVA AXIAL FLOW NOZZLE CHECK VALVES ARE A TYPE OF NON-RETURN VALVE THAT ARE DESIGNED TO PREVENT THE QUICK REVERSE OF A FLOW IN A PIPE. THIS REVERSE FLOW IS KNOWN AS "WATER HAMMER" AND CAN CAUSE SEVERE DAMAGE TO A PIPING SYSTEM. NOREVA VALVES CLOSE FAST ENOUGH TO AVOID SLAMMING BUT NOT SO FAST THAT THEY CREATE EXCESS PRESSURE SPIKES.