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 ...
Dual plate check valve, also known as double-door check valve, is a check valve widely used in various industries to prevent the backflow of liquid or gas. Their design allows for one-way flow and ...
Today, let’s continue to introduce the production process of wafer butterfly valve part two.
The second step is the Assembly of the valve. :
1. On the butterfly valve assembling production li...
Difference in Working Principle Between NRS Gate Valve and OS&Y Gate Valves
In a non-rising flange gate valve, the lifting screw only rotates without moving up or down, and the only part visib...
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...
In the design and procurement of pipes, pipe fittings and valves, Φ, DN and inches (“) are three easily confused specification units. Their core difference is that: Φ represents the absolutel...
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