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Flanged Concentric Butterfly Valve Concentric Butterfly Valve

Posted at: Offers to Sell and Export | Posted on: Wed 03 Jul, 2019 10:15 am | Targeted Countries: Asia Pacific Region | Europe | USA

Product Category: Main » Distribution and Conditioning Systems and Equipment and Components » Fluid and gas distribution » Valves » Control valves » Flanged Concentric Butterfly Valve Concentric Butterfly Valve

 
flanged concentric butterfly valve
Products Photos CatalogFlanged Concentric Photos Catalog



Basic information

Flanged concentric butterfly valve is used in various service and drain lines as truncation


and regulating equipment.

Features

1. Bidirectional sealing, no flow direction of the medium;

2. Valve body vulcanized EPDM, reliable sealing;

3. A dial with an opening indication showing the position of the disc switch;

4. Flow characteristics straight line, good regulation performance.

Principle

The rotary center of the flanged butterfly disc (that is, the center of the stem) is located on the centerline of the valve body and the sealing surface section of the disc. When the disc is closed, the disc's circular sealing surface squeezes the synthetic rubber seat so that the seat produces elastic deformation and forms the elastic force to seal the butterfly valve. If the remote control is required, different types of electric devices can be equipped according to different working conditions.

Installation and Commissioning

Clean the inner cavity and sealing cover of the valve before installation. This butterfly valve can be installed on the horizontal, vertical and any Angle pipe, and can be used in both directions. The butterfly valve must be in the closed position during installation to ensure that the disc does not collide with the pipe flange. Make sure the flange welding is correct. After the butterfly valve is installed, it is not allowed to weld the flange again, so as not to burn the rubber parts and the anti-corrosion coating. For specific use, please consult ZhengFeng Valve Group.

Part Material Standard

Body Ductile Iron EN 1563/DIN 1693

Disc Ductile Iron EN 1563/DIN 1693

Seat EPDM / NBR ISO 4633

Stem Stainless Steel 431 EN10088-1/ASTM A959

Bolt Stainless Steel 431 EN10088-1/ASTM A959

Worm Actuator Ductile Iron EN 1563/DIN 1693

For the materials options not listed, consult factory.

ZhengFeng manufactures valves in more than 50 different alloys.

Product scope, Standards & Materials

Size Range: 2"~48"

Pressure Rating: 10bar ~ 25bar

Face to Face Dimensions: AMSE B16.10, EN558-1

Flange End Dimension: AMSE B16.1/16.42, AS4087, EN1092-2

Coating: Fusion Bonded Epoxy Coating

Inspection and Test: ISO 5208 / EN 12226-2



Company Contact:

No member photo
Contact Name: Johnson Zhao
Company Name: Zhengfeng Valve Group
Email: Email
Tel: 86-21-39597277
Fax:
Street Address: Caoan Road 3999#,
Jiading District, Shanghai, Shanghai
200080 China
Website: http://www.zhengfengvalve.com/
Member name: zhengfengvalve
Country: China-CN China
Member Since: 19 April 2019
Total Leads: 39 zhengfengvalve Import Export Business Leads
Business focus: Manufacturer, Tools, Valves
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