Double Flange Butterfly Valve

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Double Flange Butterfly Valve Specification

Connection
Flanged

Valve Type
Double Flange Butterfly Valve

Material
Cast Iron / Ductile Iron / Stainless Steel

Power Source
Manual / Electric / Pneumatic

Pressure
PN10 / PN16 / PN25

Media
Water, Oil, Gas, Air, Chemical

Shape
Round

Double Flange Butterfly Valve Trade Information

Payment Terms
Cheque

Packaging Details
As per Requirement

Main Domestic Market
All India

Certifications
An ISO 9001 Certifies company

About Double Flange Butterfly Valve

By keeping track with the latest market developments, we are offering our clients a wide choice of Double Flange Butterfly Valve with Pneumatic Rotary Actuator. Widely demanded in chemical industries and refineries, this butterfly valve is highly appreciated for its precision engineering, durable finish standards, accurate dimensions and sturdy construction. We follow the set industry standards and use matchless quality raw materials to fabricate this Double Flange Butterfly Valve in both, standard and customized specifications.
Technical specifications

Model	DFW - ECO
Actuator	Single / Double Acting
Size Range	6 to 40
Valve Body	I.C. / WCB / CF8 / CF8M
Disc	I.C. / WCW / CF8 / CF8M
Seat	EPDM / Nitrile / Viton
Press. Rating	PN 10 / PN 16
Opr. Temp. Range	-25 C to 130 C

Versatile Material Options

Choose from cast iron, ductile iron, or stainless steel to best suit your specific application requirements. Each material offers different strengths, ensuring durability and compatibility with diverse types of media and work environments.

Suitable for Various Media

The double flange butterfly valve efficiently handles a broad spectrum of media including water, oil, gas, air, and chemicals. This versatility makes it an excellent choice for industries such as water treatment, chemical processing, and HVAC systems.

Multiple Actuation Methods

Our valves can be operated manually or automated with electric or pneumatic actuators. This flexibility allows users to select the most effective control method for their operational needs and system integration.

FAQs of Double Flange Butterfly Valve:

Q: How is a double flange butterfly valve installed in a pipeline?

A: Installation involves aligning the round, flanged ends of the valve with the corresponding pipeline flanges, then securely bolting them together. Ensure proper gasket placement to prevent leakage and use appropriate torque according to the material of the valve and pipeline.

Q: What process does the butterfly valve use to regulate flow?

A: The valve operates via a disc that rotates on a central shaft. Turning the handle, actuator, or gear either manually, electrically, or pneumatically opens or closes the disc within the round body, controlling the passage of media through the pipeline.

Q: When should stainless steel be chosen over cast iron or ductile iron?

A: Stainless steel is preferable for applications involving corrosive fluids or harsh environments, such as certain chemicals and aggressive water conditions, ensuring extended service life and integrity of the valve.

Q: Where can double flange butterfly valves be used effectively?

A: These valves are suitable for water treatment plants, oil & gas piping, HVAC systems, and chemical industriesessentially any system that requires reliable shut-off or regulation of liquids and gases within India and globally.

Q: What are the benefits of a double flanged connection?

A: A double flanged design provides strong, uniform support across the valve body, enhancing sealing performance and reducing the risk of leakage, especially in high-pressure and critical applications.

Q: How do I determine the appropriate pressure rating for my application?

A: Assess your systems maximum operating pressure and choose a valve with a matching ratingPN10, PN16, or PN25to ensure safe, reliable operation without risking damage or failure.

Q: What types of power source can be used to operate these valves?

A: They can be operated manually for simple systems or automated using electric or pneumatic actuators for remote or more complex flow control, providing flexible integration into various industrial processes.

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