A butterfly valve with flow control that has performance equivalent to JWWA B 138 standards.
It has performance equivalent to the JWWA B 138 standard butterfly valve, and by attaching a flow control plate with comb-like notches and numerous holes on the downstream side of the valve body, it disperses the water flow into fine jet streams, suppressing the occurrence and growth of cavitation. With low vibration and low noise, it enables "throttling operation," which was difficult with conventional butterfly valves, allowing for extensive flow control. 【Features】 - The flow control plate with comb-like notches and numerous holes disperses the water flow into fine jet streams, compensating for the negative pressure on the downstream side of the valve body and suppressing the occurrence and growth of cavitation. - Since the flow control plate can suppress the occurrence and growth of cavitation, cavitation characteristics are improved, making throttling operation possible, which was previously difficult with conventional butterfly valves. Additionally, the generated cavitation is finely dispersed, reducing the vibration and noise that occur during throttling operation, thus expanding the range of use. - The wetted areas on the inner surface are coated with a powder coating known to be resistant to cavitation, enhancing durability and also effectively addressing red water issues. - It is compatible with both vertical and horizontal orientations. For more details, please contact us or download the catalog.
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basic information
Nominal diameter: 100mm to 700mm Specifications: Compliant with JWWA B 138 Maximum operating pressure: Type 2: 0.75MPa, Type 3: 1.0MPa
Price range
Delivery Time
Applications/Examples of results
It can be used for water supply piping, agricultural water, and industrial water throughout the country.
catalog（1）
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CAD data（1）
| Model number | overview | File |
|---|---|---|
| Flow Control Butterfly Valve |
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Company information
A valve manufacturer based in Hikone City, Shiga Prefecture. As a member of the AVK Group (Denmark), it manufactures and sells valves and fire hydrants for domestic water supply and sewage systems. Additionally, it imports and sells various valves and fire hydrants that meet international standards for water supply, gas, fire protection piping, and industrial plants.
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