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Double eccentric butterfly valve DN250.gif
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Double eccentric butterfly valve DN250.gif
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Double Flanged Double Eccentric Butterfly Valve PN16

Double Eccentric Resilient Seated Butterfly Valve is the mainstream product type preferred in water networks. Through its disc design where the center is shifted in two axis, this leads to a big improvement on decreasing operation torque values, lowering the friction on disc sealing area and extended service life.

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    Product Details

    Remarks:

    1. Design and manufacture as per BS EN593

    2. Face to face dimensions as per BS EN558 Series 13/14

    3. Flange dimensions as per BS EN1092-2

    4. Pressure test as per BS EN12266-1

    Pressure test PN10 PN16
    Shell 15bar 24bar
    Seal Water 11bar 17.6bar
    Air 6bar 6bar

    Media: Water, oil and gas

    Temperature: -5~80℃

    DN100-DN450 drawing.png

    Dimensions: mm

    DN L A B ∅D ∅D1 N-∅d ∅E ∅F n-∅d1
    Series 13 Series 14 PN10 PN16 PN10 PN16 PN10 PN16
    100 127 190 154 106 220 220 180 180 8-18 8-18 90 70 4-10
    125 140 200 169 120 250 250 210 210 8-18 8-18 90 70 4-10
    150 140 210 190 144 285 285 240 240 8-22 8-22 90 70 4-10
    200 152 230 220 168 340 340 295 295 8-22 12-22 125 102 4-12
    250 165 250 254 196 395 405 350 355 12-22 12-26 125 102 4-12
    300 178 270 296 223 445 460 400 410 12-22 12-26 150 125 4-14
    350 190 290 348 255 505 520 460 470 16-22 16-26 150 125 4-14
    400 216 310 374 291 565 580 515 525 16-26 16-30 175 140 4-18
    450 222 330 390 320 615 640 565 585 20-26 20-30 175 140 4-18