Name:Automatic intake and exhaust valves
Type:Garden Water Connectors
Garden Water Connector Type:Male Connectors
Plastic Type:PP
Standard:DIN
Model Number:10366,10367
Type:3/4 inch,1 inch male screw
Material:High quality Plastic
Garden Water Connector Type:Hose valve
Connection size:3/4 inch,1 inch male screw
Use for:Gardens Greenhouses Lawn Irrigation Agricultural Irrigation
Packaging: 1 Pc
Advantages:Quick connector Easy connection
Working pressure :0.1-1.0 Mpa

It is also named air valve which is the most important safety protective equipment in irrigation system.
Air intake and exhaust automatically. When switch the system on, the valve exhaust function facilitate air exhaust from air vent to prevent produce water hammer. When valve or system is closed, air get into pipeline through valve to prevent come into being negative pressure.
It is usually installed at the highest place or raised part in tube system

Note
It is manual measurement, there may be 1-2mm error.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!