7040, 7050 Air release valve single and double orifice

Products for Water

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Automatic air release in the whole pressure range, hydraulic impacts prevention. Bonnet hole enables assembling of additional air valves. Body bonnet made of pressed brass CuZn39Pb1AI-B; EN 1982. Floating switch made of polyethylene.


Air release valve intended for use at water lines - for air release and aeration of the pipelines. Working conditions: temp. up +70°C.


Recommended to mount in vertical position in highest or inflection point of pipeline.