Flanged Concentric Butterfly Valve
Basic information
This valve offlanged butterfly valve manufacturersis 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.
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. |
||
Send product request
Other supplier products
 |
Forged Steel Gate Valve | Categories: Forged Steel Gate Valve, Gate Valve Tag: OS&Y Valve Description ZECO manufacturing capabilities for API 602 Forged Gate valves... |
 |
Electric Ball Valve | Categories: Ball Valve, Ball Valve By Drive Mode, Forged Ball Valve Tags: Ball Valve Electric, Electric Actuated Ball Valve, Electric Actuator Bal... |
 |
Forged Steel Check Valve | ZECO specializes in producing forged steel check valves for nearly 30 years. The forged steel check valves include forged steel swing check valves ... |
|
|
Adjustable Dynamic Flow Balancing Valve | Basic information This valve can manually adjust the set flow rate in the pipeline, and also can automatically maintain the pressure difference bef... |
 |
Cast Steel Gate Valve | Description of Cast Steel Gate Valve: ZECO cast steel gate valve Chinais in controlled under the quality assurance system of production and manufa... |
Same products
 |
China Gate valve | Seller: Yuanda Valve Group Co.,Ltd. | China Gate valve China Gate valve A is a type of valve that uses a gate or wedge-shaped dis... |
 |
Gate Valve Vs. Ball Valve | Seller: Yuanda Valve Group Co.,Ltd. | Gate Valve Vs. Ball Valve Gate valves and ball valves are both types of valves that are used... |
 |
Non Return Valve Suppliers China | Seller: Yuanda Valve Group Co.,Ltd. | Non Return Valve Suppliers China refers to the opening and closing member for the circular v... |
 |
Common Types Of Check Valves | Seller: Yuanda Valve Group Co.,Ltd. | Common Types Of Check Valves A is a valve whose switching parts are disc-shaped and rely on ... |
 |
Brass ball valve | Seller: Yuanda Valve Group Co.,Ltd. | Brass ball valve Brass ball valve Applications: Water Supply: Commonly used in residentia... |
