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Pressure Sealed Bonnet Gate Valve (NSW)

ReflowX SQU: 393

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    4-6 Weeks
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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, The Pressure Sealed Bonnet Gate Valve adopts a top-mounted structure, which reduces the connection bolts of the valve body under high pressure and large diameter conditions, enhances the reliability of the valve and can overcome the influence of the system's own weight on the normal operation of the valve. The Pressure Sealed Bonnet Gate Valve is mainly used in some high-pressure working conditions, which are pre-tightened by bolts. As the working pressure increases, the wedge seal in its structure becomes tighter and the sealing performance is better. With the help of physical pressure, the valve can achieve self-cutoff without manual treatment. Its advantage lies in its ability to control itself, and its self-closure is excellent. ds Mainly used in high-pressure working environment and large-scale industrial equipment, widely used in coal chemical industry, petrochemical industry, rubber, papermaking, pharmaceutical and other pipelines as a shunt or flow switching device.

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