Gate Valve  
    Product Name: Forged Gate Valve  
    Related Tags: gate valve,forged steel gate valve,flanged gate valve,welded gate valve  
    Product introduction

    FLOWSPEC forged steel gate valves are available in three bonnet designs, the first design is bolted bonnet with male-female joint spiral wound gasket made in F304L/graphite, ring joint gasket is also available on request. The second design is welded bonnet with a threaded and seal welded joint, a full penetration strength welded joint is available. The third design is the pressure seal bonnet with a threaded and pressure seal bonnet joint.
    Applicable standards & specifications
    Design and manufacturing: API 602/BS5352/ANSI B16.34
    Face to face: Manufacturer Standard
    Face to face, Flanged, ASME B16.10
    End flanges: ASME B16.5
    Butt welding ends: ASME B16.25
    Socket welding ends: ASME B16.11
    Screwed ends: ASME B1.20.1
    Inspection and test: API 598
    Design descriptions
    Outside screw and yoke (OS&Y)
    BB, bolted bonnet
    Choice of WB, welding bonnet
    Single solid wedge, fully guided
    Renewable seat rings
    Yoke integral with bonnet
    Rising stem and non-rising hand wheel
    SW, socket welding ends
    SC, screwed ends
    BW, butt welding ends
    Flanged ends

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