Electric Double Eccentric Butterfly Valve

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Double eccentric butterfly valve

Supports customization. This product uses an electric actuator drive combined with a double eccentric structure design to achieve low torque operation, reliable sealing, and long service life. It is suitable for various industrial fields such as petroleum, chemical, electric power, metallurgy, and water treatment, and performs exceptionally well in large-diameter and high-frequency operating conditions.

Email: official@zzvalves.com

1. Product Features (Customizable according to different requirements)

1. Double eccentric structure: Automatically compensates for seal surface wear, ensuring long-term reliable sealing performance.
2. Electric actuator: Easy to operate, fast response speed, suitable for frequent opening and closing conditions.
3. Reliable sealing performance: The sealing ring is replaceable, easy to maintain, and can be replaced without disassembling the entire valve, reducing maintenance costs.
4. Compact structure: Especially suitable for installation environments with limited space.
5. Wide application range: Temperature range from -10℃ to 80℃, suitable for various working conditions.
6. Strong durability: Extends valve service life and reduces maintenance frequency.

2. Usage Scenarios
Municipal water supply and drainage systems, industrial pipeline systems, water treatment systems, energy systems, ship systems.

3. Applicable Media
Applicable to various media, including but not limited to:
Liquids: water, seawater, brine, acidic and alkaline solutions.
Gases: air, natural gas, coal gas.
Other media: food, pharmaceuticals, oils.

4. Temperature Range: -10℃ to 80℃.

5. Materials

Valve Body Material
Ductile iron (GGG45): Has good strength and toughness, suitable for low to medium pressure conditions.
Carbon steel (e.g., WCB): Suitable for higher pressure and temperature conditions.

Valve Disc Material
Ductile iron: Consistent with valve body material to ensure overall strength.
Stainless steel: Suitable for conditions requiring higher corrosion resistance.

Valve Stem Material
Stainless steel: Strong corrosion resistance and high strength, suitable for matching with valve body and disc materials.

Packing Material
Flexible graphite: Has good sealing and high-temperature resistance, ensuring reliable sealing of the valve under high-temperature conditions.

6. Standards Compliance

1. Design and Manufacturing Standards
GB/T 12238-2008
EN 593-1:2002
API 609

2. Flange Connection Standards
EN 1092-1:2001
ANSI B16.5

3. Structural Length Standards
GB/T 12221-2005
EN 593-1:2002

4. Pressure Test Standards
GB/T 13927-2022
EN 12266-1:2004
API 598

5. Electric Actuator Standards
GB/T 28270-2012
IEC 60534