| Model： | ||
| Standard or Nonstandard： | Standard |
|
| Material： | Casting |
| PriceRange： | ||
| Structure： | Butterfly |
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The wafer style butterfly valve is designed to maintain a seal against bi-directional pressure differential to prevent backflow in systems designed for unidirectional flow. And they are manufactured according to the various accepted standards for designing or manufacturing, such as the JIS. Similarly, the JIS wafer butterfly valves are the valves in wafer design, accomplishing this with a tightly fitting seal such as the gasket and o-ring, precision machined, and a flat valve face on the upstream and downstream sides of the valve.
In terms of the JIS, it specifies the standards used for industrial activities in Japan. The standardization process is coordinated by Japanese Industrial Standards Committee and published through Japanese Standards Association. The popularity of the JIS wafer butterfly valves has spread over the whole world. As a result, the employed industries are large.
India
Malaysia
Turkey
Korea
Japan
Brazil
Vietnam