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    Pressure Seal Bonnet Gate Valve Home >> Products >> Gate valve

    Detailed introduction

    OS&Y, Rising stem, Flexible wedge
    Pressure seal bonnet, Threaded or welded seat ring
    ASTM A216 WCB, A217 WC6, A351 CF8, A351 CF8M, A351 CF3, A351 CF3M, A351 CN7M

    Standards compliance     
    Design and Manufacture: ANSI B16.34, API 600, API 6D, BS1414
    Face to face(end to end): ANSI B16.10, API 6D
    Flanged connection: ANSI B16.5
    Butt welded end: ANSI B16.25
    Test and inspection: API 598, API 6D
    A. Back up ring: Absors thrust applied by internal pressure
    B. Thrust ring: Protects the soft metallic gasket from deformation
    C. Gasket: Unique angular design provides superior sealing

    Materials

    NO. Part Name Material
    23 Grease Nipple Brass
    22 Grub Screw Carbon steel
    21 Hand Wheel Nut Carbon steel
    20 Hand Wheel Malleable lron/cast steel/ductile lron/fabricated steel
    19 Yoke Nut Carbon steel/SS
    18 Eyebolt and Nut A 193 B7/A194 2H~A193 B8/A194 8
    17 Pin Carbon steel/stainless steel
    16 Stem Nut A 439-D2/cu-alloy
    15 Gland Flange Carbon steel/equivalent to body material
    14 Gland Stain less steel
    13 Gland Bush See body material
    12 Back Seat
    11 Stem
    10 Seat Ring
    09 Wedge

     

    NO. Part Name WCB LCB WC6 WC9
    08 Bolt and Nut A193 Gr B7/A194 Gr 2H A320 Gr L7/A194 Gr 4 A193 Gr B16/A194 Gr 4/7 A193 Gr B16/A194 Gr 4/7
    07 Gland Packing Graphite Graphite Graphite Graphite
    06 Gasket Soft lron Soft lron SS304 SS304
    05 Thrust Ring A105 A182 F304 A182 F11 A182 F22
    04 Back Up Ring A105 A182 F304 A182 F11 A182 F22
    03 Yoke A216 Gr WCB A352 Gr LCB A271 Gr WC6 A271 Gr WC9
    02 Bonnet A216 Gr WCB A352 Gr LCB A271 Gr WC6 A271 Gr WC9
    01 Body A216 Gr WCB A352 Gr LCB A271 Gr WC6 A271 Gr WC9

     

    NO. Part Name C5 C12 CF8 CF8M
    08 Bolt and Nut A193 Gr B7/A194 Gr 2H A193 Gr B16/A194 Gr 4/7 A193 B8/A194 8 A193 B8M/A194 8M
    07 Gland Packing Graphite Graphite Graphite Graphite
    06 Gasket SS304 SS304 SS304 SS316
    05 Thrust Ring A182 F22 A182 F22 A182 F304 A182 F316
    04 Back Up Ring A182 F22 A182 F22 A182 F304 A182 F316
    03 Yoke A217 Gr C5 A217 Gr C12 A351 Gr CF8 A351 Gr CF8M
    02 Bonnet A217 Gr C5 A217 Gr C12 A351 Gr CF8 A351 Gr CF8M
    01 Body A217 Gr C5 A217 Gr C12 A351 Gr CF8 A351 Gr CF8M


    Dimensions (mm) and weight for ANSI Class 600

    Size inch 2 2-1/2 3 4 5 6 8 10 12 14 16 18 20 24
    L-L1 mm 292 330 356 432 508 559 660 787 838 889 991 1092 1194 1397
    L-SP mm 178 216 254 305 381 457 584 711 813 889 991 1092 1194 1397
    H mm 525 610 650 775 825 1050 1200 1450 1600 1800 2050 2245 2400 2670
    W mm 250 250 300 350 400 500 600 600 400~ 450~ 450~ 500~ 500~ 550~
    Weight KG 35 55 62 105 160 205 400 690 815 1125 1650 2025 2325 3980


    Dimensions (mm) and weight for ANSI Class 900

    Size inch 2 2-1/2 3 4 5 6 8 10 12 14 16 18 20
    L-L1 mm 368 419 381 457 559 610 737 838 965 1029 1130 1219 1321
    L-SP mm 216 254 305 356 432 508 660 787 914 991 1092 1219 1321
    H mm 550 645 670 790 855 1075 1225 1500 1635 1830 2145 2300 2485
    W mm 300 300 300 400 450 300~ 350~ 400~ 400~ 450~ 500~ 500~ 550~
    Weight KG 75 90 96 136 225 275 490 825 1150 1500 2100 2750 3400


    Dimensions (mm) and weight for ANSI Class 1500

    Size inch 2 2-1/2 3 4 5 6 8 10 12
    L-L1 mm 368 419 470 546 673 705 832 991 1130
    L-SP mm 216 254 305 406 483 559 711 864 991
    H mm 570 670 725 850 890 1125 1235 1520 1650
    W mm 300 300 300~ 300~ 300~ 350~ 350~ 400~ 400~
    Weight KG 95 110 125 205 256 330 655 1200 2010


    Dimensions (mm) and weight for ANSI Class 2500  

    Size inch 2 2-1/2 3 4 5 6
    L-L1 mm 451 508 578 673 794 914
    L-SP mm 279 330 368 457 533 610
    H mm 600 695 740 890 970 1135
    W mm 400 450 300~ 350~ 350~ 350~
    Weight KG 110 130 140 225 295 1480

    "~" means gear operation suggested. Dimensions on request. Abbreviation: SP-short pattern