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Double eccentric butterfly valve
Double eccentric butterfly valve

Double eccentric butterfly valve

Design Standards: API6D, API 609, ASME B16.34, ASME B16.10, ISO 5211, etc.
Size Range: NPS2~NPS48, DN50~DN1200
Nominal Pressure: CLASS150-CLASS300
Connection: Flange, Wafer, Lugged, etc.
Materials: ASTM A216 WCB,ASTM A352 LCB, ASTM A351 CF8, ASTM A351 CF8M, ASTM A995 4A/5A/6A, A536 65-15-12/A536 60-40-18, UNS C95800, UNS C95500, etc.
Applicable Temperature: -20℃~120℃
Applicable Medium: Water, Oil, Gas, etc.
Operation: Lever, Gear, Pneumatic, Electric, Hydraulic, etc.

description

Product Features:

1.Double Eccentric Structure Design: The unique double eccentric shaft design effectively reduces the friction and wear of the valve disc during opening and closing. It reduces the operating torque, ensures the long-term stable operation of the valve, and prolongs its service life.

2.Zero Leakage Sealing Performance: The precise eccentric design achieves zero leakage sealing. Whether it is forward or reserve pressure, it can maintain excellent sealing performance and meet high standard sealing requirements.

3.Fast Opening and Closing: The double eccentric structure makes the butterfly valve open and close quickly, reducing the medium flow resistance and operation time, and improving system efficiency. It is particularly suitable for conditions that require frequent opening and closing.

4.Bi-Directional Pressure-bearing Stability: The specially designed valve body and disc structure enable the double eccentric butterfly valve to bear pressure evenly in both the positive and negative directions, preventing the valve plate from shaking or leaking due to pressure fluctuations, and enhancing the stability and safety of the system.

5.High Temperature and Corrosion-Resistant Material: The valve body, disc and key components can be made of stainless steel, cast steel, alloy steel and high temperature and corrosion-resistant materials to meet the use requirements under different working conditions.

6.Easy Installation and Maintenance: The double eccentric butterfly valve has a compact structure, light weight, and is easy and quick to install. For the repair and replacement of the valve seat, the modular design is adopted, which can be completed in just a few steps without disassembling the entire valve, reducing maintenance costs and time greatly.

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