Rapid air valves for water supply that conform to the Japan Water Works Association JWWA B 137 standard. (Type 4, 16K is a compliant product)
The φ25-75mm is suitable for shallow burial. It is made of ductile cast iron (FCD450-10) and features reliable internal and external powder coating. Features: - The compact design structure makes φ25-75mm ideal for shallow burial. - Both the internal and external surfaces are coated with epoxy resin powder to suppress rust formation. - The bolts are made of stainless steel (SUS304), ensuring long-term use is safe. - The φ25mm has a floating valve body connected to a movable valve body, allowing for smooth and reliable operation by applying the principle of leverage. - The ball cock is made of stainless steel (SCS13) and includes a freeze damage prevention feature, ensuring safety even with long-term use. A long lever type for easy operation is also available. - The φ25-100mm is a lead-free product that does not use any copper alloys containing lead. For more details, please contact us or download the catalog.
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basic information
Nominal Diameter: 25–200mm Type: Rapid Specifications: JWWA 137 compliant Maximum Operating Pressure: Class 2: 0.75MPa, Class 3: 1.0MPa, Class 4: 1.6MPa
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Delivery Time
Applications/Examples of results
It is used in water supply piping, agricultural water, and general piping throughout the country.
catalog（1）
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CAD data（2）
| Model number | overview | File |
|---|---|---|
| Rapid air valve |
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| Rapid air 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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