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DL Series flanged concentric butterfly valve

Size:DN50~DN 2400

Pressure:PN10/PN16

Standard:

Face to face : EN558-1 Series 13

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

Top flange:ISO 5211

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  • Description:

    DL Series flanged concentric butterfly valve is with centric disc and bonded liner,and have all same common features of  other wafer/lug series,these valves are featured by a higher strength of the body and better resistance to pipe pressures as safey factor. Having all same common features of the univisal series, these valves are featured by a higher strength of the body and better resistance to pipe pressures as safety factor.

     

    Characteristic:

    1. Short Length pattern design

    2. Vulcanised rubber lining

    3. Low torque operation

    4. Streamlined disc shape

    5. ISO top flange as standard

    6. Bi-directional shut-off seat

    7. Suitable for high cycling frequencies

     

    Typical application:

    1. Water works and water resource project

    2. Enviroment Protection

    3. Public Facilities

    4. Power and Public Utilities

    5. Building industry

    6. Petroleum/ Chemical

    7. Steel. Metallurgy

  • Dimensions:


    Size A B b f D K d F N-do L L1 D1 D2 N-d1 J X L2 Φ2 Weight (kg)
    (mm)
    50 83 120 19 3 165 125 99 13 4-19 108 111 65 50 4-7 45 13.8 3 32 12.6 7.6
    65 93 130 19 3 185 145 118 13 4-19 112 115 65 50 4-7 45 13.8 3 32 12.6 9.7
    80 100 145 19 3 200 160 132 13 8-19 114 117 65 50 4-7 45 13.8 3 32 12.6 10.6
    100 114 155 19 3 220 180 156 13 8-19 127 130 90 70 4-10 45 17.77 5 32 15.77 13.8
    125 125 170 19 3 250 210 184 13 8-19 140 143 90 70 4-10 45 20.92 5 32 18.92 18.2
    150 143 190 19 3 285 240 211 13 8-23 140 143 90 70 4-10 45 20.92 5 32 18.92 21.7
    200 170 205 20 3 340 295 266 13 8-23 152 155 125 102 4-12 45 24.1 5 45 22.1 31.8
    250 198 235 22 3 395 350 319 13 12-23 165 168 125 102 4-12 45 31.45 8 45 28.45 44.7
    300 223 280 25 4 445 400 370 20 12-23 178 182 125 102 4-12 45 34.6 8 45 31.6 57.9
    350 270 310 25 4 505 460 429 20 16-23 190 194 150 125 4-14 45 34.6 8 45 31.6 81.6
    400 300 340 25 4 565 515 480 20 16-28 216 221 175 140 4-18 45 36.15 10 51 33.15 106
    450 340 375 26 4 615 565 530 20 20-28 222 227 175 140 4-18 45 40.95 10 51 37.95 147
    500 355 430 27 4 670 620 582 22 20-28 229 234 175 140 4-18 45 44.12 10 57 41.12 165
    600 410 500 30 5 780 725 682 22 20-31 267 272 210 165 4-22 45 51.62 16 70 50.65 235
    700 478 560 33 5 895 840 794 30 24-31 292 299 300 254 8-18 22.5 71.35 18 66 63.35 238
    800 529 620 35 5 1015 950 901 30 24-34 318 325 300 254 8-18 22.5 71.35 18 66 63.35 475
    900 584 665 38 5 1115 1050 1001 34 28-34 330 337 300 254 8-18 22.5 84 20 118 75 595
    1000 657 735 40 5 1230 1160 1112 34 28-37 410 417 300 254 8-18 22.5 95 22 142 85 794
    1200 799 917 45 5 1455 1380 1328 34 32-40 470 478 350 298 8-22 22.5 117 28 150 105 1290
    1400 919 1040 46 5 1675 1590 1530 40 36-44 530 538 415 356 8-33 22.5 134 32 200 120 2130
    1500 965 1050 48 5 1785 1700 1630 40 36-44 570 580 415 356 8-32 22.5 156 36 200 140 3020

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