flanged butterfly valve

Body:   ASTM A536 65-45-12, WCB, CF8M
Bonded with NBR or EPDM
Disc:  ASTM A536 65-45-12 Nylon coated, CF8, CF8M, 2507, 1.4462
Stem:  SS420,SS431
Body style:   Flange
Nominal diameter:   2″ – 88″ (DN50mm – DN2000mm)
Top flange:  ISO5211
Operating pressure:  16bar for DN50-DN300, 10bar for DN350-DN2200







    Description

    Flanged butterfly valve

    Double flanged butterfly valve features a bonded liner extending over the flanges. The double flange design is suitable for high pressure loading and for use in heavy industry, shipbuilding, severe vacuum applications and water treatment industry like potable water, water treatment and wastewater applications.

    Double flanged butterfly valve – a versatile and high-performance solution for fluid control applications. Engineered with precision and crafted from top-quality materials, this innovative valve offers unparalleled performance, durability, and ease of use.

    Material & Specifications

    Flange Butterfly Valve is made from robust materials to ensure longevity and resistance to corrosion. The valve body is available in WCB, CF8M, DI, and CI. The disc is manufactured from CF8M, CF8, 2507, and 1.4529 materials, providing you with a wide range of options tailored to your requirements. Moreover, the valve seats come in EPDM, NBR, VITON, and PTFE materials, catering to the diverse needs of fluid control systems.

    Product Function

    This advanced valve system serves multiple functions, such as:

    • Fluid Control: Precise regulation of fluid flow within pipes and channels
    • Switch Control: Seamless switching between fluid flow lines and process streams
    • Modulating Control: Accurate adjustment of fluid flow rates for optimal process control

    Key Features & Benefits

    Our Flanged Butterfly Valves boasts several cutting-edge features that set it apart from other valve systems:

    ISO5211 Top Flange

    The ISO5211 top flange, coupled with a stem heat design, makes it perfect for direct mounting of actuators. This feature allows for easy integration with your existing fluid control infrastructure and eliminates the need for additional adaptors or couplings.

    No Exposed Pins or Bolts

    The stem-to-disc connection is equipped with a secure and streamlined design. By eliminating exposed pins and bolts, the chances of leakage or corrosion are significantly reduced, ensuring optimum performance and an extended service life.

    For added versatility, our butterfly valve flange type is compatible with both pneumatic and electric actuators. This compatibility allows you to choose the most suitable actuation method for your specific needs and ensures flawless operation.
    To sum up, the Flanged Butterfly Valve offers a superior solution for a vast array of fluid control applications. Backed by robust materials, advanced features, and unmatched versatility, our valve system ensures seamless integration, optimal performance, and lasting durability. Upgrade your fluid control system with our Flanged Butterfly Valve – a game-changer for precise and efficient fluid management.

    FEATURES
    1,ISO5211 top flange together with stem heat suitable for direct mounting of actuators
    2,Stem anti-blowout design keep safety in field use
    3,Bonded seat protects the body and shaft out of contact with medium
    4,No exposed pins or bolts for stem-to-disc connection
    5,Single flange mounting is possible
    6,Can be installed in any desired position
    7,Bubble-tight shut off at full pressure rating
    8,Large flow capacity and enough strength

    specification

    PARTS LIST AND MATERIAL SPECIFICATION

    NO. Part name Material
    1 Body ASTM A536 65-45-12, WCB, CF8M
    Bonded with NBR or EPDM
    2 Disc ASTM A536 65-45-12 Nylon coated, CF8, CF8M, 2507, 1.4462
    3 Stem SS420,SS431
    4 Screw SS304
    5 Retainer SS201
    6 Weather seal NBR
    7 Bearing RPTFE with Graphite on I.D.
    8 Lower Stem SS420, SS431
    9 Bottom cover Same as body
    10 Bolt SS304
    11 Screw SS304

    TECHNICAL DATA

    Body style Flange
    Nominal diameter 2″ – 88″ (DN50mm – DN2000mm)
    Top flange ISO5211
    Operating pressure 16bar for DN50-DN300, 10bar for DN350-DN2200
    Temperature range -20 °C to + 140 °C (depending on pressure, medium and material)
    Flange accommodation EN 1092 PN 6/PN10/PN16
    ASME Class 150AS 4087
    PN10/ PN16JIS 5K/10K
    Applications Potable Water, Wastewater, Seawater, HVAC
    Operation Hand lever, gear box, pneumatic actuator, electric actuator

    DIMENSIONS (mm)

    flange butterfly valve

     

    SIZE A B C D E F n d G J L WT(kg)
    DN INCH
    50 2″ 142 80 13.5 165 9 50 4 8 70 15 108 9
    65 2 1/2″ 155 89 13.5 185 9 50 4 8 70 15 112 10
    80 3″ 161 95 13.5 200 9 50 4 8 70 17 114 12
    100 4″ 180 114 13.5 229 11 70 4 10 90 17 127 16
    125 5″ 193 127 17.5 254 14 70 4 10 90 19 140 24
    150 6″ 205 139 17.5 285 14 70 4 10 90 19 140 29
    200 8″ 250 175 24.5 343 17 102 4 12 125 21 152 39
    250 10″ 282 203 25 406 22 102 4 12 125 23 165 60
    300 12″ 326 242 25 483 22 102 4 12 125 24 178 82
    350 14″ 358 267 30 533 27 125 4 14 150 24 190 108
    400 16″ 380 301 30 597 27 125 4 14 150 28 216 145
    450 18″ 422 381 39 640 36 140 4 18 175 33 222 183
    500 20″ 479 387 39 710 36 140 4 18 175 40 229 230
    600 24″ 562 457 49 840 46 165 4 22 210 40 267 303
    700 28″ 560 465 95 910 63.35 254 8 18 300 40 292 410
    750 30″ 610 508 95 984 63.35 254 8 18 300 43 308 552
    800 32″ 620 519 95 1025 63.35 254 8 18 300 43 318 610
    900 36″ 692 576 130 1125 75 254 8 18 300 46 330 750
    1000 40″ 735 640 130 1255 85 254 8 22 300 50 410 945
    1100 44″ 813 735 150 1355 85 254 8 22 300 53 450 1120
    1200 48″ 917 783 150 1485 105 298 8 22 350 57 470 1350
    1400 56″ 1000 925 200 1685 120 356 8 32 415 60 530 1700
    1500 60″ 1050 950 200 1820 140 356 8 32 415 78 570 2000
    1600 64″ 1150 1045 200 1930 140 356 8 32 415 65 600 2500
    1800 72″ 1260 1156 280 2130 160 406 8 40 475 70 670 3500
    2000 80″ 1363 1350 280 2345 160 406 8 40 475 75 760 4000
    2200 88″ 1500 1430 300 2555 180 483 12 40 560 85 636 4500