Rapid air valve for water supply that complies with JWWA B 137 standards.
The φ25-75mm is suitable for shallow burial. It is made of ductile cast iron (FCD450-10) and features reliable powder coating on both the inner and outer surfaces. Features: - The compact design makes φ25-75mm ideal for shallow burial. - Both the inner and outer surfaces are coated with epoxy resin powder to prevent rust. - The bolts are made of stainless steel (SUS304), ensuring long-term reliability. - The φ25mm has a floating valve body connected to a movable valve body, allowing for smooth and reliable operation through the principle of leverage. - The ball cock is made of stainless steel (SCS13) and includes a freeze damage prevention feature, ensuring reliability even with long-term use. A long lever type for easy operation is also available. - The φ25-100mm products are lead-free, containing no copper alloys with 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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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 |
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| Rapid air valve |
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| Rapid air valve |
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Company information
A valve manufacturer headquartered 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.