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PriceList for Awwa Butterfly Valve Factory - Double Flange Butterfly Valve – Nortech

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PriceList for Awwa Butterfly Valve Factory - 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


Product detail pictures:

PriceList for Awwa Butterfly Valve Factory - Double Flange Butterfly Valve – Nortech detail pictures

PriceList for Awwa Butterfly Valve Factory - Double Flange Butterfly Valve – Nortech detail pictures

PriceList for Awwa Butterfly Valve Factory - Double Flange Butterfly Valve – Nortech detail pictures

PriceList for Awwa Butterfly Valve Factory - Double Flange Butterfly Valve – Nortech detail pictures


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To become the stage of realizing dreams of our employees! To build a happier, more united and extra professional workforce! To reach a mutual advantage of our prospects, suppliers, the society and ourselves for PriceList for Awwa Butterfly Valve Factory - Double Flange Butterfly Valve – Nortech, The product will supply to all over the world, such as: Namibia, Roman, Manchester, By continuous innovation, we will provide you with more valuable products and services, and also make a contribution for the development of the automobile industry at home and abroad. Both domestic and foreign merchants are strongly welcomed to join us to grow together.
  • The company's products very well, we have purchased and cooperated many times, fair price and assured quality, in short, this is a trustworthy company!
    5 Stars By Maureen from Hongkong - 2017.08.16 13:39
    Good quality and fast delivery, it's very nice. Some products have a little bit problem, but the supplier replaced timely, overall, we are satisfied.
    5 Stars By Anna from Finland - 2017.06.16 18:23

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