Air and vacuum release valveKlikunas Richard VUS2853092 * Jul 29, 1954 Sep 23, 1958 Rensselaer Valve Co Air and vacuum release valve
the Air/Vacuum Valve closes and remains closed during normal operation. When the pipeline is drained, the pressure returns to atmospheric and the Air/Vacuum Valve will immediately open to allow air to re-enter the pipeline to prevent a vacuum from developing. In this way, the large venting ...
2 Inch Air Release & Vacuum Relief Valve, Find Details and Price about Air Vent Valve Release Valve from 2 Inch Air Release & Vacuum Relief Valve - Ningbo Salvador Piping System Co., Ltd.
Air and vacuum relief valve 专利名称：Air and vacuum relief valve 发明人：Mark R. McClaran 申请号：US07/086976 申请日：19870819 公开号：US04742843A 公开日：19880510 专利内容由知识产权出版社提供 摘要：An air and vacuum relief value having a cylindrical housing defining a chamber and an aero...
A combined air release and vacuum breaker valve for pipelines has a ball float that acts directly upon both the vacuum breaker and air release valves which are concentric with one another and axially aligned with the ball float. To avoid adverse effects of high velocity flow of water into the...
CHINADRIP AIR AND VACUUM RELIEF VALVE G Type is a high cost-effective Kinetic Air Valve which is designed for efficient discharge and intake of air in pipeline systems, filter systems and other locations where confined air could impair the irrigation syst...
C Type Combination Air Valve 1", 2" 0-500m³/h Combination Air Valve 3/4", 1", 1-1/2", 2" 0-280m³/h Kinetic Air & Vacuum Relief Valve 1/2", 3/4", 1" 0-50m³/h Advantages Large Flow: Straight flow body with large diameter aut...
ZP88 air release valve utilizes the power from buoy moving up or down with water level to actuate on/ off operation. Gas in the pipe shall eventually gather in the upper portion of the air release valve. When gas pressure is bigger than system pressure, water level declines and...
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Wholesales Plastic Air Vacuum Relief Release Bleed Valve for Irrigation Outdoors 1. Product Information With advanced aerodynamic design, our air valves provide a complete solution for intake and exhaust. In the process of filtration and water supply, the air ...