Hard sealed butterfly valve:
Butterfly valve hard seal refers to: the two sides of the sealing pair are metal materials or hard other materials. This seal has poor sealing properties, but it has hi...
Both the handle lever butterfly valve and the worm gear butterfly valve are valves that need to be operated manually, commonly known as manual butterfly valves, but they are still different in use....
In the 30s, the butterfly valve was invented in United States, introduced to the Japan in the 50s, and was widely used in Japan in the 60s, and it was promoted in China after the 70s. At present, b...
1. In practical engineering applications, the damage of Dual plate wafer check valves is caused by many reasons.
(1) Under the impact force of the medium, the contact area between the connecting pa...
Wafer type
+ Lighter
+ Cheaper
+ Easy installation
- Pipe flanges required
- More difficult to centre
- Not suitable as end valve
In the case of a Wafer-style butterfly valve, the body is annular ...
Butterfly valves are widely used in industrial piping systems, primarily for regulating fluid flow and pressure. To improve the durability and corrosion resistance of butterfly valves, the coating ...
China Automatic Balancing Valve Related Videos From Youtube