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Welded Flange Gate Valve (NSW)

ReflowX SQU: 417

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PRODUCT RANGE: Sizes: NPS 1/2 to NPS2 (DN15 to DN50) Pressure Range: Class 800, Class 150 to Class 2500 MATERIALS: Forged (A105, A182 F304, F304L, F316, F316L, F51, F53, A350 LF2, LF3, LF5,) STANDARD Design & manufacture API 602,ASME B16.34,BS 5352 Face-to-face MFG’S End Connection - Flange Ends to ASME B16.5 - Socket Weld Ends to ASME B16.11 - Butt Weld Ends to ASME B16.25 - Screwed Ends to ANSI/ASME B1.20.1 Test & inspection API 598 Fire safe design / Also available per NACE MR-0175, NACE MR-0103, ISO 15848 Other PMI, UT, RT, PT, MT Design Features: 1.Forged Steel,Outside Screw and Yoke,Rising Stem, 2.Non-Rising Handwheel,Integral Backseat, 3.Reduced Bore or Full Port, 4.Socket Welded,Threaded,Butt Welded,Flanged End 5.SW, NPT, RF or BW 6.Bolted Bonnet,Welded Bonnet and Pressure Sealed Bonnet. 7.Solid Wedge,Renewable Seat Rings,Sprial Wound Gasket, API 602 Welded Flange Gate Valve The opening and closing part of API 602 forged steel gate valve is a gate. The movement direction of the gate is perpendicular to the direction of the fluid. The forged steel gate valve can only be fully opened and closed, and cannot be adjusted and throttled. The gate of the forged steel gate valve has two sealing surfaces. The two sealing surfaces of the most common mode gate valve form a wedge shape, and the wedge angle varies with the valve parameters. The drive modes of forged steel gate valves are: manual, pneumatic, electric, gas-liquid linkage. Forged steel gate valve refers to a valve in which the closing member (gate) moves in the vertical direction of the center line of the passage. The forged steel gate valve is mainly used for cutting off in the pipeline. The forged steel gate valve is a widely used valve, and it is generally used for cutting devices with caliber DN≤50. Advantages of API 602 forged steel flange gate valve 1. Low fluid resistance. 2. The external force required for opening and closing is small. 3. The flow direction of the medium is not restricted. 4. When fully open, the erosion of the sealing surface by the working medium is smaller than that of the globe valve. 5. The shape is relatively simple and the casting process is good. If you need more details about valves please contact NSW(newsway valve) sales department

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