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UD Series soft sleeve seated butterfly valve

Size:DN 100~DN 2000

Pressure:PN10/PN16/150 psi/200 psi

Standard:

Face to face: EN558-1 Series 20

Flange connection: EN1092 PN6/10/16,ANSI B16.1,JIS 10K

Top flange: ISO 5211

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  • UD Series soft sleeve seated butterfly valve is Wafer pattern with flanges ,the face to face is EN558-1 20 series as wafer type.

    Characteristics:

    1.Correcting holes are made on flange according to standard, easy correcting during the installation.

    2.Through-out bolt or one-side bolt used. Easy replacing and maintenance.

    3.The soft sleeve seat can isolate the body from media. 

     

    Product operation instruction


    1. Pipe flange standards should conform to butterfly valve standards; suggest using welding neck flange, specialized flange for butterfly valves or integral pipe flange; do not use slip-on welding flange, supplier must agreed before user can uses slip-on welding flange.
    2. The use of pre-installation conditions should be checked whether the use of butterfly valves with the same performance. 
    3. Before the installation user should clean the sealing surface of valve cavity, make sure no dirt attached; simultaneously clean the pipe for welding slag and other debris.
    4.When installing, the disc must be in closed position to ensure that the disc do not collide with the pipe flange.
    5. Both valve seat ends act as flange seal, extra seal is not needed when installing the butterfly valve.
    6. The butterfly valve can be installed at any position (vertical, horizontal or tilt). Butterfly valve with big size operator may need bracket.
    7. Collide when transporting or storing the butterfly valve may cause butterfly valve reduce its sealing ability. Avoid butterfly valve disc from bumping to hard objects and it should be open at 4 ° to 5 ° angle position in order to maintain sealing surface from damaging during this period.
    8. Confirm correctness of flange welding before installation, welding after installation of the butterfly valve may cause damage to the rubber and preservation coating.
    9. When using butterfly valve operated by pneumatic, the air source should maintain dry and clean to avoid foreign bodies from entering pneumatic operator and affect working performance.
    10. Without special requirements noted in purchasing order of the butterfly valve can only be mounted vertically and for interior use only.
    11. Case of disorder, reasons should be identified, troubleshooted, should not knock, hit, prize or lengthen the lever operator by arm of force to forcibly open or close the butterfly valve.
    12. During the storage and unused period, the butterfly valves should kept dry, sheltered in shade and avoid harmful substances surrounding from erosion.

  • Dimensions:


    DN A B H D0 C D K   d   N-do   4-M   b D1 D2 N-d1 F Φ2 W J H1 H2
    10 16 10 16 10 16 10 16
    400 400 325 51 390 102 580 515 525 460   12-28 12-31 4-M24 4-M27 24.5 175 140 4-18 22 33.15 10 36.15 337 600
    450 422 345 51 441 114 640 565 585 496   16-28 16-31 4-M24 4-M27 25.5 175 140 4-18 22 37.95 10 40.95 370 660
    500 480 378 57 492 127 715 620 650 560   16-28 16-34 4-M24 4-M30 26.5 175 140 4-18 22 41.12 10 44.12 412 735
    600 562 475 70 593 154 840 725 770 658   16-31 16-37 4-M27 4-M33 30 210 165 4-22 22 50.63 16 54.65 483 860
    700 624 543 66 695 165 910 840 840 773   20-31 20-37 4-M27 4-M33 32.5 300 254 8-18 30 63.35 18 71.4 520 926
    800 672 606 66 795 190 1025 950 950 872   20-34 20-41 4-M30 4-M36 35 300 254 8-18 30 63.35 18 71.4 586 1045
    900 720 670 110 865 200 1125 1050 1050 987   24-34 24-41 4-M30 4-M36 37.5 300 254 8-18 34 75 20 84 648 1155
    1000 800 735 135 965 216 1255 1160 1170 1073   24-37 24-44 4-M33 4-M39 40 300 254 8-18 34 85 22 95 717 1285
    1100 870 806 150 1065 251 1355 1270 1270 1203   28-37 28-44 4-M33 4-M39 42.5 350 298 8-22 34 95 ## 105 778 1385
    1200 940 878 150 1160 254 1485 1380 1390 1302   28-41 28-50 4-M36 4-M45 45 350 298 8-22 34 105 28 117 849 1515
    1400 1017 993 150 1359 279 1685 1590 1590 1495   28-44 28-50 8-M39 8-M45 46 415 356 8-33 40 120 32 134 963 1715
    1500 1080 1040 180 1457 318 1280 1700 1710 1638   28-44 28-57 8-M39 8-M52 47.5 415 356 8-33 40 140 36 156 1039 1850
    1600 1150 1132 180 1556 318 1930 1820 1820 1696   32-50 32-57 8-M45 8-M52 49 415 356 8-33 50 140 36 156 1101 1960
    1800 1280 1270 230 1775 356 2130 2020 2020 1893   36-50 36-57 8-M45 8-M52 52 475 406 8-40 55 160 40 178 1213 2160
    2000 1390 1350 280 1955 406 2345 2230 2230 2105   40-50 40-62 8-M45 8-M56 55 475 406 8-40 55 160 40 178 1334 2375

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