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China Double Flanged Double Eccentric Butterfly Valve PN16 - Reliable Suppliers from Leading Factory

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The Double Eccentric Resilient Seated Butterfly Valve is a leading choice for water networks, widely recognized for its innovative design. By shifting the disc center along two axes, this valve significantly reduces operational torque and minimizes friction in the sealing area, ultimately extending its service life. As a top manufacturer in China, our factory is dedicated to producing high-quality butterfly valves that meet the demands of modern water systems. Partnering with reliable suppliers ensures that our products offer exceptional performance and durability in various applications.

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    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℃

    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
    ❓ Frequently Asked Questions
    What are the design and manufacturing standards for this product?

    The product is designed and manufactured strictly according to the BS EN593 standard.

    What types of media is this valve suitable for?

    This valve is highly versatile and is suitable for handling water, oil, and gas media.

    What is the operating temperature range?

    The safe operating temperature range for this product is between -5℃ and 80℃.

    What are the shell pressure test parameters?

    According to BS EN12266-1, the shell pressure test is rated at 15 bar for PN10 and 24 bar for PN16 specifications.

    Which standard dictates the flange dimensions?

    The flange dimensions are in complete compliance with the BS EN1092-2 standard.

    Are the face-to-face dimensions standardized?

    Yes, the face-to-face dimensions are manufactured according to BS EN558 Series 13/14.