High Performance Butterfly Valve with Pneumatic Actuator

Description
Technical
Application
Q&A

DESCRIPTION

What Is a High Performance Butterfly Valve with Pneumatic Actuator?

This valve combines a double-offset butterfly valve with an air-operated actuator. This design allows the valve to open and close quickly while reducing friction between the disc and seat.

Unlike conventional butterfly valves that use elastomer seats, high-performance models typically feature PTFE seats with graphite backing. As a result, they provide excellent resistance to corrosion, chemicals, steam, gases, and aggressive liquids.

The pneumatic actuator also improves automation efficiency by delivering fast, accurate, and repeatable valve operation.

Key Features of High Performance Butterfly Valve with Pneumatic Actuator

The GMK 70E00 Series offers several advanced design features, including:

Double-eccentric (double-offset) disc design
PTFE seat with graphite support for reliable sealing
Low operating torque
Excellent resistance to corrosion and wear
Carbon steel and stainless steel body options
Wafer, lug, and double-flanged end connections
Internal stop to prevent over-travel
Adjustable packing gland to minimize external leakage
Optional stem seal extension for fugitive emission control
Optional pressurized neck extension for cryogenic applications

These features help improve valve reliability while reducing maintenance requirements.

TECHNICAL SPECS

Size DN50-1000(2”-40”)

Body type Straight-through type

Pressure 150LB, 300LB, 600LB, 900LB, 1500LB

Bonnet type Standard integral type

Trim features Double-eccentric structure, compensation type sealing seat, disc arc surface sealing

Flow characteristic Approximately equal percentage

Pressure class PN1.6, 4.0（ANSI 150, 300LB）

Leakage class ASME B16.104 Ⅵ（standard type seat）

Pipe connection type Wafer type, flange type

Actuator type Pneumatic piston actuator, electric actuator, worm gear hand operating

Benefits of a High Performance Butterfly Valve with Pneumatic Actuator

Compared with traditional control valves, this valve offers several important advantages.

Excellent Sealing Performance

The double-offset structure allows the disc to separate from the seat immediately during opening. Consequently, friction is significantly reduced, extending the service life of both the seat and disc.

Suitable for Harsh Operating Conditions

This valve performs reliably in applications involving steam, corrosive gases, chemicals, and industrial liquids. Depending on the material selection, it can operate in temperatures ranging from -320°F to 1200°F and pressures up to 1440 PSI.

Lower Operating Cost

Because of its lightweight structure and simple design, a butterfly valve is generally more cost-effective than many other industrial control valves, especially in large-diameter piping systems.

Accurate Flow Control

The optimized disc profile improves flow characteristics and provides stable modulation. Therefore, it is suitable for both throttling and shut-off applications.

Typical Applications of High Performance Butterfly Valve with Pneumatic Actuator

This valve is widely used in industries that require reliable flow control, including:

Chemical processing
Oil and gas
Power generation
Water treatment
Pulp and paper
Petrochemical plants
HVAC systems
Industrial process automation

It is particularly suitable for handling corrosive gases, steam, and various liquid media.

Why Choose the GMK High Performance Butterfly Valve with Pneumatic Actuator?

The GMK 70E00 Series features an advanced double-eccentric design that minimizes seat wear while improving sealing performance. The self-positioning seat structure automatically compensates for sealing wear, ensuring long-term reliability.

In addition, the unique seat compensation design reduces operating torque during both opening and closing. As a result, the valve provides smoother operation, higher control accuracy, and an extended service life.

Whether used for isolation or flow regulation, the GMK 70E00 Series delivers stable performance in demanding industrial environments.

Application

Conclusion

If you need a reliable valve for high-temperature, high-pressure, or corrosive applications, this solution is an excellent choice. Its double-offset design, PTFE seat, durable construction, and pneumatic automation provide dependable sealing, precise flow control, and a long service life across a wide range of industrial processes.

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