Butterfly valve is an industrial valve that is being used in many systems and construction projects in Vietnam and around the world. So what is a butterfly valve? How to maintain the butterfly valve? Find out with Dai Nam!
What is butterfly valve?
Butterfly Valve has an English name is Butterfly Valve - is an industrial valve with a butterfly design, used to regulate, or open and close the flow of fluid thanks to the valve disc unit that can rotate around the shaft with different angles. The valve wing is a circular disc or metal plate, revolving around an axis perpendicular to the flow in the pipeline. There are many different types of butterfly valves, such as manual butterfly valves, transmission butterfly valves, electric butterfly valves that are automatically controlled by electric motors or controlled by pneumatic motors.
The structure of the butterfly valve includes:
a. Valve body: The butterfly valve body is similar to a metal ring, on the valve body there are holes used to locate the pipe by the bolts and nuts.
b. Valve disc: The valve disc is a metal plate that controls the flow (close or open the flow) through a control device or crank
c. Sleeve: Seal the valve body and disc when the valve fully closes.
There are also: valve shaft, crank, handlebar, gear ...
Tecofi butterfly valve flange
When installing the butterfly valve, note:
- Put butterfly valve in open position ¼ before installation to avoid deforming the seat by tightening, jamming and leaking.
- The diameters of the two pipes fitted with the Butterfly Valves must be equal to ensure the working space for the valve disc.
- Adequate flange clearance is required to fit the valve so as not to damage the sleeve.
- Tighten the screws and screws slowly along the plane
- Do not use gasket between flange and valve
- The flange size must be identical to the valve size
- Do not weld the flange near the installed Butterfly Valve.
- For large diameter butterfly valves, when installed, it is preferable to install the valve with the crown located in the horizontal position
Instructions on how to maintain the butterfly valve
Butterfly valve during operation, if not regularly checked, dust or some dirt will stick, making it difficult to operate. That is why we should have the following butterfly valve maintenance plan:
Keeping the exposed valve clean and lubricated, some valves require internal lubrication.
- For valves with regular operation, after a period of 2-3 years of use, remove the valve to check the condition of the valve's internal parts such as valve disc, gasket that ensures tightness. snug work or not. If there is no guarantee, we should have an alternative right away to avoid future consequences when using
Currently the butterfly valve provided by DAI NAM is very diverse in types and suitable for the price, this is a special point that makes customers believe in choosing and placing orders at DAI NAM. All industrial valves in Dai Nam are not only quality but affordable from famous brands such as Tecofi - France.
So when you want to choose butterfly valves or industrial valves for your project, contractors and investors should contact Dai Nam for free advice on products and services.
For more information please contact:
DAI NAM SCIENCE INDUSTRIAL JOINT STOCK COMPANY
Address: Room 303- 3rd floor, AN BINH mixed building 1- Number 3 Tran Nguyen Dan street-Dinh Cong new urban area- Dinh Cong ward - Hoang Mai district - Hanoi.
Hotline: 0383 478 272 Tel: 024 364 00111
Email: dainam@dainamco.vn Website: congnghiepdainam.com.vn
