RS-3 Type Rapid Air Valve (Stainless Steel) for Freeze Damage Prevention

A compact rapid air valve made of stainless steel that absorbs the expansion of water during freezing with a disc spring to prevent damage to the air valve, ensuring safety.

The JWWA B 137 rapid air valve for water supply has equivalent performance, is lightweight and compact, making installation and maintenance easy. Features: - The built-in disc spring in the lid absorbs the expansion of water during freezing, preventing damage to the valve. - Major components are made of stainless steel, providing excellent aesthetics and allowing for long-term reliable use. - Performance is equivalent to the JWWA B 137 rapid air valve for water supply with a diameter of 25 mm. - It has a flange shape with a height of 242 mm and a weight of 9 kg, making it lightweight and compact, ideal for shallow burial. - Installation in narrow spaces and disassembly and assembly during maintenance can be easily performed. - The floating valve body and the movable valve body are connected using a unique method that applies the principle of leverage, allowing for smooth and reliable operation. - The ball cock is made of stainless steel (SCS13) and has a freeze damage prevention feature, ensuring long-term use is safe. - It is a lead-free product that does not use any copper alloys containing lead. - By attaching an emergency town nozzle for air valves, pressure measurement and the installation of emergency water supply taps are possible. For more details, please contact us or download the catalog.

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