China air release valve manufacturers, air release valve suppliers, air release valve factory. The ZGV air & vacuum valve is designed to be used as discharging large volumes of air from the pipeline system when the pipeline is initially filled and after water column separation.
ZGV air valves has been contributing to the improvement of the efficiency of the water system for over 20 years. The ZGV Air Release Valves are constructed from rugged castings that are machined to exacting specifications. These bodies either have both threaded ends to International standards ASME or DIN, or with drilled flanges that are in accordance with ASME B16.1. Alternatively to EN, DIN, BS or JIS Standards
ZGV offers a broad line of air valves including, but not limited to Automatic, Mirco Air Release, Combination, Single and Double orifice styles. Size ranges from 1/2” to 12”NPS, Pressure Classes in PN10 or PN16
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