China Check Valve factory The Swing Check Valve has a flat disc that pivots or swings about a hinge pin. They are low cost, and have low head loss characteristics when fully open. But because of the long stroke and inertia of the disc, the traditional swing check valve may slam in vertical pipe installations. These valves are therefore sometimes outfitted with a lever and weight accessory. They can handle liquids with solids such as waste water. Model No. :H44W Material:stainless steel Connection form:flange Usage:flow control Seal:Swing dics Standard: ANSI,GB Design Features 1.Design standard as per: BS1868,ASME B16.34, GB/T 12236. 2.Compact and reasonable product structure, reliable tightness and good performance; 3.Smooth fluid passageway and small fluid resistance; 4.Swing type disc. 5.Can be designed with a Damping Cylinder. 6.Rapid closing and flexible actions of the valve disc . 7.Small closing impact, water hammer is not liable to be generated. 8.Smooth fluid passageway and small fluid resistance. Product Range 1.Body material: carbon steel, stainless steel, alloy steel 2.Nominal diameter: 1/2"~40"(DN15~DN1000) 3.Pressure range:Class150~2500(PN10~PN420) 4.End connection: RF, RTJ, BW 5.Working temperature:-196oC~+560oC Execution Standard Product specificationDesign specFace to faceFlangedPressure-tempTestcheck API6D/BS1868ASME B16.10ASME B16.5ASME B16.34API598 Performance Specification Nominal pressure(LB)150300600900 Strength testMPa3.17.815.323.1 Lbf/in150112522253350 Water seal testMPa2.25.611.216.8 Lbf/in31581516302440 Air seal testMPa0.5~0.7 Lbf/in60~100 Main External and Connecting Dimensions Unit:mm NPSLDD1D2BZ-dH 2鈥?/p203150120.792.114.34-19144 2-1/2鈥?/p216180139.7104.815.94-19150 3鈥?/p241190152.412717.54-19210 4鈥?/p292230190.5157.222.38-19217 5鈥?/p330255215.9185.722.38-22.5235 6鈥?/p356280241.321623.98-22.5305 8鈥?/p495345298.5270278-22.5370China Check Valve factory website:http://www.zjxhvalve.com/check-valve/
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