Double Air Release Valve is a combination of small and large orifice air valves with common connection to the main, small orifice function being similar to that of a single air valve. The Valve has large orifice that serves for automatically exhausting air when a pipe is being filled with water, or automatically ventilating a pipe when it is being emptied of water. The Valve is available in various sizes such as 40", 50", 80", 100", 150", and 200". The Double Air Release Valve is manufactured using quality grade material that ensures good quality.
