Suzhou Alpine Flow Control Co., Ltd

Suzhou Alpine Flow Control Co., Ltd

 

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Home ProductsDouble Eccentric Butterfly Valve

DI Disc Stainless Steel Butterfly Control Valve Epoxy Coated With Worm Gear

DI Disc Stainless Steel Butterfly Control Valve Epoxy Coated With Worm Gear

    • DI Disc Stainless Steel Butterfly Control Valve Epoxy Coated With Worm Gear
    • DI Disc Stainless Steel Butterfly Control Valve Epoxy Coated With Worm Gear
    • DI Disc Stainless Steel Butterfly Control Valve Epoxy Coated With Worm Gear
    • DI Disc Stainless Steel Butterfly Control Valve Epoxy Coated With Worm Gear
  • DI Disc Stainless Steel Butterfly Control Valve Epoxy Coated With Worm Gear

    Product Details:

    Place of Origin: China
    Brand Name: AFC OEM
    Certification: EN593
    Model Number: FBGD, FBBD, FBED,FBPD

    Payment & Shipping Terms:

    Minimum Order Quantity: 1
    Price: RMB USD
    Packaging Details: Plywood cases and pallets
    Delivery Time: Based on order
    Payment Terms: L/C, T/T
    Supply Ability: 2 containers in 60 days
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    Detailed Product Description
    Color: Blue RAL 5010 Material: Ductile Iron GSJ500-7
    Disc Seat: 316L Body Seat: EPDM
    Pressure Rating: PN10 PN16 Standard: EN593
    High Light:

    butterfly control valve

    ,

    double flanged butterfly valve

     

     

     

    Series 13 And14 Ductile Iron Double Flange Double Eccentric Butterfly Valve

     

     

     

        AFC's Double Eccentric Flange Butterfly Valve (we call abbreviated FBGD) is a newly advanced design butterfly valve. With double eccentric design and soft rubber seal on the body, the operational toque is one of the lowest among all the butterfly valves and can be sealed in both directions,disc and stem are very strong without any deformation.

     

        Size DN150-DN350mm,disc is flat shape, allowing bigger rubbish to flow through. DN350 to DN1200mm disc are arch shape with stronger ribs on the back, causing less compression and wearing of seal rubber to increase the life of rubber seal. Also, water head loss reduced a lot and turbulence minimized,thus flow through disc energy is saved and lowering the pumping cost.

     

    Feature:

     

    . The valve is made of DI body and DI disc.
    . Advanced newly design with dovetail seal design and captured by epoxy on the back, with multiple raised ring to have more contact with disc but less friction during closure.
    . The double eccentric design provides less contact area of seal with disc, and less stress at the open position of the disc.
    . The disc design with arch shape and thru disc can provide better flow capacity, stronger and less weight
    . The shaft and disc connection with tangential pin which can be exchangeable and provide
    rigid connection.
    . The DN 100-500MM use flat disc, and DN 600-1200MM use arch shape disc.
    . Epoxy coated interior and exterior.
    . Valve design meets or exceeds EN 593.
    . Top flange connection meets ISO 5211-1982, and F/F meets EN 558-1 series 13 & 14.

     

    Opening Degree VS Flow Coefficient Kv

     

    KV Value
    Opening degree
    DN 10 20 30 40 50 60 70 80 90
    100 8 12 26 62 124 168 311 495 624
    150 13 51 103 173 276 442 719 1041 1184
    200 17 108 191 304 488 794 1260 1854 2152
    250 22 177 309 485 768 1242 1989 2897 3363
    300 26 252 454 698 1099 1786 2835 4212 4843
    350 33 302 622 1152 1702 2203 3652 6152 7302
    400 51 351 751 1402 2142 2822 4602 7602 8402
    450 55 414 952 1632 2522 3402 5602 8962 11002
    500 67 472 1077 1922 2572 4582 7922 11812 14242
    600 80 750 1718 3062 4100 7304 12612 18802 22682
    700 97 868 2168 3982 5178 9272 16052 23432 28852
    800 194 1390 3036 5576 7766 12702 22152 33472 46282
    900 290 1762 3902 6972 9582 16822 28222 43452 52902
    1000 362 2190 5056 8502 11442 21052 36162 52102 63402
    1200 506 2733 6746 12261 15971 29201 48902 73802 90802

     

    Material

     

    DN100-DN500

     DI Disc Stainless Steel Butterfly Control Valve Epoxy Coated With Worm Gear 0

    No. Part Name Material Standard
    1 Body Ductile Iron GJS500-7
    2 Lower Shaft Stinless Steel AISI420/304/316
    3 Disc Ductile Iron GJS500-7
    4 Main Shaft Stainless Steel AISI420/304/316
    5 Backup Ring Plastic PTFE
    6 Retaining Plate Carbon Steel Commercial
    7 Shaft Key Carbon Steel Commercial
    8 In Hex Bolt Carbon Steel Commercial
    9 O-ring Rubber NBR
    10 Shaft Bearing Carbon Steel+Bronze/PTFE Commercial
    11 In Hex Bolt Carbon Steel Commercial
    12 Pin Stainless Steel AISI431
    13 In Hex Bolt Carbon Steel Commercial
    14 Shaft Bearing Carbon Steel+Bronze/PTFE Commercial
    15 Position Plate Ductile Iron GJS500-7
    16 Hex Bolt Carbon Steel Commercial
    17 In Hex Bolt Carbon Steel Commercial
    18 Bottom Flange Ductile Iron GJS500-7
    19 O-ring Rubber NBR
    20 Disc Seat Stainless Steel/DI 316SS L/GJS500-7+Epoxycoated
    21 Body Seat Rubber EPDM
    22 Wedge Epoxy Commercial
    23 Operator Worm Gear OP. Commercial
    24 Hex Bolt Stainless Steel AISI304

     

     

    DN600-DN1200

    DI Disc Stainless Steel Butterfly Control Valve Epoxy Coated With Worm Gear 1

    No. Part Name Material Standard
    1 Body Ductile Iron GJS500-7
    2 Lower Shaft Stinless Steel AISI420/304/316
    3 Disc Ductile Iron GJS500-7
    4 Main Shaft Stainless Steel AISI420/304/316
    5 Backup Ring Plastic PTFE
    6 Retaining Plate Carbon Steel Commercial
    7 Shaft Key Carbon Steel Commercial
    8 In Hex Bolt Carbon Steel Commercial
    9 O-ring Rubber NBR
    10 Shaft Bearing Carbon Steel+Bronze/PTFE Commercial
    11 In Hex Bolt Carbon Steel Commercial
    12 Pin Stainless Steel AISI431
    13 In Hex Bolt Carbon Steel Commercial
    14 Shaft Bearing Carbon Steel+Bronze/PTFE Commercial
    15 Position Plate Carbon Steel Commercial
    16 Hex Bolt Carbon Steel Commercial
    17 In Hex Bolt Carbon Steel Commercial
    18 Bottom Flange Ductile Iron GJS500-7
    19 Thrust Bearing Steel Commercial
    20 O-ring Rubber NBR
    21 Disc Seat DI+Epoxy/Stainless Steel 316SS L/GJS500-7+Epoxycoated
    22 Body Seat Rubber EPDM
    23 Wedge Epoxy Commercial
    24 Operator Worm Gear OP. Commercial
    25 Hex Bolt Stainless Steel AISI304

     

    Dimension:

    DI Disc Stainless Steel Butterfly Control Valve Epoxy Coated With Worm Gear 2

    Unit:mm
    DN L H1 H2 H3 φB Φk ΦD nφd C
    #13 #14 PN10 PN16 PN10 PN16 PN10 PN16 PN10 PN16 PN10 PN16
    100 127 190 155 155 25 156 180 220 8-φ19 19
    150 140 210 212 215 40 211 240 285 8-φ23 19
    200 152 230 248 250 48 266 295 340 8-φ23 12-φ23 20
    250 165 250 268 280 48 319 350 355 405 12-φ23 12-φ28 22
    300 178 270 322 315 50 370 400 410 460 12-φ23 12-φ28 24.5
    350 190 290 350 335 50 429 460 470 520 16-φ23 16-φ28 26.5
    400 216 310 375 355 55 480 515 525 580 16-φ28 16-φ31 28
    450 222 330 415 405 55 530 548 565 585 640 20-φ28 20-φ31 30
    500 229 350 450 425 55 582 609 620 650 715 20-φ28 20-φ34 31.5

     

     

    Top Flange (Gland) Standard ISO 5211
    DN ISO5211 a1 b1 c1 φd1 e1
    100 F07 15 4 18 12 15
    150 F10 25 6 30 20 18
    200 F10 31 8 45 25 18
    250 F10 31 8 45 25 20
    300 F12 36 8 45 30 18
    350 F12 36 8 45 30 25
    400 F14 46 12 50 40 25
    450 F14 46 12 50 40 25
    500 F14 46 12 50 40 25

     

    DI Disc Stainless Steel Butterfly Control Valve Epoxy Coated With Worm Gear 3

    Unit:mm
    DN L H1 H2 H3 φB Φk ΦD n-φd C
    #13 #14 PN10 PN16 PN10 PN16 PN10 PN16 PN10 PN16 PN10 PN16
    600 267 390 520 525 55 682 720 725 770 780 840 20-φ31 20-φ37 30 36
    700 292 430 565 565 75 794 794 840 840 895 910 24-φ31 24-φ37 32.5 39.5
    800 318 470 640 640 75 901 901 950 950 1015 1025 24-φ34 24-φ40 35 43
    900 330 510 718 718 100 1001 1001 1050 1050 1115 1125 28-φ34 28-φ40 37.5 46.5
    1000 410 550 785 785 110 1112 1112 1160 1170 1230 1255 28-φ37 28-φ43 40 50
    1200 470 630 940 940 110 1328 1328 1380 1455 1455 1485 32-φ40 32-φ49 45 57
    Top Flange (Gland) Standard ISO 5211
    DN ISO5211 a1 b1 c1 φd1 e1
    PN10 PN16
    600 F16 52 14 50 45 25
    700 F16 68 18 70 60 25
    800 F16 F25 68 18 70 60 25
    900 F25 90 22 90 80 30
    1000 F25 112 28 100 100 28
    1200 F25 112 28 100 100 28

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