Double Offset High Performance Butterfly Valve

Description
Technical
Standard
Q&A

DESCRIPTION

Advantages of Double Offset High Performance Butterfly Valve

A Double Offset High Performance Butterfly Valve combines excellent sealing capability with low operating torque for efficient automatic or manual operation. The double eccentric design minimizes wear between the disc and seat during every opening and closing cycle. Furthermore, the optimized sealing structure delivers bi-directional sealing with extremely low leakage rates. As a result, maintenance intervals become longer while overall operating costs remain lower.

The valve supports pneumatic, electric, manual, and gearbox operation according to different automation requirements. Moreover, the ISO 5211 top mounting flange simplifies actuator installation without additional modifications. Its lightweight structure also reduces installation time while improving maintenance accessibility. Therefore, the valve provides reliable performance throughout long-term industrial operation.

TECHNICAL SPECS

Product name High Performance Butterfly Valve

Size DN50-DN2000

Rating 150LB-900LB

Material Cast iron,Ductile iron,WCB,LCB,LCC,WC5,WC6,WC9,CF8,CF8M,CF3,CF3M,B148 ,UB6,CN7M,CK20, etc

Connection Wafer type,Lug type,Flange

Operate Handwheel,Gearbox,Pneumatic

Temperature: -29℃ to 250℃

Features of Double Offset High Performance Butterfly Valve

The Double Offset High Performance Butterfly Valve incorporates advanced engineering to deliver stable performance under demanding operating conditions. The double eccentric structure reduces friction while protecting the sealing surfaces from unnecessary wear. In addition, the optimized disc design provides smooth operation with lower actuator torque requirements. Therefore, the valve achieves dependable sealing even after frequent cycling.

The valve offers soft seat sealing with PTFE, RPTFE, or PPL seat materials according to application requirements. Moreover, customers can choose wafer, lug, or flanged end connections for different piping systems. The disc and stem connection is available with or without pins based on project specifications. As a result, the valve adapts easily to a wide range of industrial installations.

Technical Specifications

Design Standard: API 609, MSS SP-67

Pressure Rating: ASME B16.34, Class 150–600, PN6–PN100

Face to Face: ANSI B16.10

End Connections: ASME B16.5, ASME B16.47, ASME B16.25

Testing Standard: API 598, ISO 5208

Size Range: 2″–60″ (DN50–DN1500)

Body Materials: WCB, LCB, WC6, WC9, Stainless Steel, Duplex Stainless Steel, Monel, Alloy Steel

Seat Materials: PTFE, RPTFE, PPL

Connection Types: Wafer, Lug, Flanged

Operating Temperature: -29°C to 250°C

Top Flange: ISO 5211

Operation: Manual Lever, Gear Operator, Pneumatic Actuator, Electric Actuator

Benefits of Double Offset High Performance Butterfly Valve

Independent testing confirms excellent sealing performance with zero visible leakage during extended operating cycles. Moreover, the valve maintains stable operation after more than 100,000 opening and closing cycles under demanding pressure conditions. The optimized seat structure improves durability while reducing maintenance frequency. Therefore, users achieve lower lifecycle costs and higher production efficiency.

The lightweight construction simplifies transportation, installation, and routine servicing across different industrial facilities. Furthermore, corrosion-resistant materials extend service life even in aggressive process media. The valve also provides outstanding performance for throttling and shut-off applications requiring dependable sealing. As a result, it becomes an excellent choice for critical industrial flow control systems.

Standard

Applications

The Double Offset High Performance Butterfly Valve is widely used in chemical processing, petrochemical plants, power stations, water treatment facilities, desalination plants, air separation units, marine systems, and general industrial pipelines. Moreover, it performs reliably in applications requiring corrosion resistance, low operating torque, and long service life. Therefore, it is suitable for both isolation and flow control under demanding operating conditions.

Q&A

Can we order goods from you directly?

Yes, we look forward to receiving your order. However, please note our minimum purchase quantity. If you require smaller quantities we will be happy to arrange an individual delivery. We would be delighted to assist you.

Can I get a discount?

This depends on the specific situation, you can call directly to consult.

Inquire with us directly