China Good Quality Butterfly Valve - Double Flange Butterfly Valve – Nortech factory and manufacturers

Good Quality Butterfly Valve - Double Flange Butterfly Valve – Nortech

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Good Quality Butterfly Valve - Double Flange Butterfly Valve – Nortech Detail:

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Double Flange Butterfly Valve is a valve used for flow regulation in large pipe diameters in which the disc takes the form of disk. Operation is similar to that of a ball valve. A plate or disc is positioned in the center of the pipe. The disc has a rod passing through it that is connected to an actuator on the outside of the valve. Rotating the actuator turns the disc either parallel or perpendicular to the flow. They are open and close very quickly when actuated pneumatically. The disc is more lighter than a ball, and the

Nortech Double Flange Butterfly Valve with face to face according to EN558-1/20. Suitable for mounting between flanges and can be used in many general applications such as in water distribution, water treatment, dams, power plants and in many other. The valve can be used as a stopper, a tap for discharging at the end of the pipeline, open/close and flow control. The threaded holes make it easy to install or uninstall from the pipeline.

Operation can be manual, pneumatic, hydraulic or electric

Double Flange Butterfly Valve Technical Specifications

Our advantages of Double Flange Butterfly Valve

Compact construction results in low weight, less space in storage and installation.

Centric shaft position,100% bi-directional bubble tightness,which makes installation acceptable at any direction.

Full bore body gives low resistance to flow.

No cavities in the flow passage,which makes it easy to clean and disinfect for potable water system etc.

Rubber lined internally in the body makes fluid not to contact the body.

Painless disc design is helpful to prevent the leakage point on the disc.

ISO 5211 top flange is convenient for easy automation and retrofitting of actuator.

Low operating torques results in easy operation and economical actuator selection.

PTFE lined bearings are designed for anti-friction and wear,no lubrication is required.

Inserted lining to the body, liner easy to replace,no corrosion between body and lining, suitable for end of line use.

Type of Operation for Double Flange Butterfly Valve

Handle lever for resilient butterfly valves DN40-DN200.

Manual gearbox operator for the full range butterfly valves.

Pneumatic actuator for full range of butterfly valves

Electric actuator for full range of butterfly valves

Free stem without actuator,customized for clients with your own actuators.

Main Material List:

Parts	Materials
Body	Cast iron, ductile iron, carbon steel, stainless steel
Disc	Nickel ductile iron / Al bronze / Stainless steel
Seat	EPDM / NBR / VITON / PTFE
Stem	Stainless steel / Carbon steel
Bushing	PTFE
“O” ring	PTFE
Pin	Stainless steel
Key	Stainless steel

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double_flange_butterfly_valve

What is the Double Flange Butterfly Valve used for?

This kind of Double Flange Butterfly Valve is widely utilized in

HVAC/ATC

Chemical/Petrochemical

Food and Beverage Industry

Power and Utilities

Pulp and Paper Industry

Industrial environmental protection

Water treatment, high building, water supply and drain tubing line or adjusting medium.

WRAS Certified for potable water

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abide by the contract", conforms to the market requirement, joins during the market competition by its superior quality also as provides extra comprehensive and exceptional service for consumers to let them turn into significant winner. The pursue of the business, is definitely the clients' gratification for Good Quality Butterfly Valve - Double Flange Butterfly Valve – Nortech, The product will supply to all over the world, such as: French, Mecca, Korea, we rely on own advantages to build a mutual-benefit commerce mechanism with our cooperative partners. As a result, we've gained a global sales network reaching the Middle East, Turkey, Malaysia and Vietnamese.

ACS butterfly valve