Introduction

The Center Line Butterfly Valve offers reliable flow control with a precise, durable design that minimizes leakage and ensures consistent performance.

Key Advantages

Minimal Wear

Precision alignment of shaft, disc, and body reduces friction, ensuring long-term reliable operation.

Low Torque Operation

Hard/soft seal design lowers operating torque, allowing smooth manual or actuator control.

Flexible Actuator Mounting

ISO 5211 top flange supports a wide range of electric and pneumatic actuators.

Reduced Maintenance

Durable PTFE graphite bearings minimize wear and service requirements over the valve lifetime.

Specifications

Valve Body	Epoxy coated ductile iron GGG40
Disc	1.4408 Stainless Steel (CF8M) , Aluminum Bronze (C954)
Disc Seat Options	EPDM, NBR (Buna-N) , FKM , VMQ , PTFE
Stem Seals	O-ring (Same Material As Seat)
Stem	420SS
Bearings	PTFE Graphite Reinforced
Fasteners	Stainless Steel

Customization Services

Material Options：Choose from stainless steel, aluminum bronze, or custom alloys.

Seal Selection：Options include EPDM, NBR, FKM, VMQ, and PTFE.

Actuator Compatibility：Works with manual, pneumatic, and electric actuators.

Locking Handle：Optional 10-position locking handle for secure control.

Design Modifications：Custom features available, including steam jackets and fire-safe designs.

Application

Chemical Processing：Reliable control for aggressive chemicals with leak-free performance.

Water Treatment：Durable flow regulation in municipal water systems.

Oil and Gas：Perfect for high-pressure, corrosive environments in pipelines.

HVAC Systems：Precise fluid control for heating and cooling systems.

Power Generation：Smooth flow control in power plants under extreme conditions.

Food and Beverage：Efficient fluid control, meeting sanitation standards.

Certifications

Conforms to ISO 5211 standard for top mounting, ensuring compatibility with manual, pneumatic, and electric actuators.

FAQ

Q: What is the temperature range for the valve?

A: The valve operates in a wide temperature range of -29°C to 350°C, depending on the selected seal material, ensuring reliable performance across various conditions.

Q: What is the expected lifespan of the valve?

A: With proper maintenance, the valve can last for 10+ years, especially in corrosive environments, ensuring long-term reliability.

Q: How does the valve ensure corrosion resistance?

A: The valve features CF8M stainless steel or aluminum bronze discs and PTFE or FBE coatings, significantly enhancing its corrosion resistance in chemical and seawater environments.

Q: What is the lead time for delivery?

A: The standard lead time is 20-25 days, but we offer expedited production services for urgent orders.

Q: What is your quality control process?

A: Each valve undergoes rigorous quality testing, including pressure tests, temperature tests, and leak tests, to ensure compliance with industry standards.

Hot Tags: center line butterfly valve, China center line butterfly valve manufacturers, suppliers, factory, Cast Steel Wafer Type Butterfly Valve, Center Line Butterfly Valve, centre pivoted butterfly valve, Rubber Lining Wafer Type Butterfly Valve

Previous: Cast Steel Wafer Type Butterfly Valve

Next: Rubber Lining Wafer Type Butterfly Valve