ARV: Valve - Manual Air Release

**device/asset description**
Valve - Manual Air Release

**device/asset name**
ARV	

**device/asset documentation**
Provide link to a datasheet/manual/any supporting documentation
https://www.hawle.com/Product-Assets/Print/Hawle_Special_brochures/Air%20valves/be-entlueftungsventile-prospekt-hawle-en-06-2021.pdf