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5
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2. INSTALLATION
Important: Before performing any work on the air valve make sure that all workers on site are familiar with
the safety instructions and the relevant local and general safety instructions and work regulations.
2.1.
Installation Recommendations
Single Air Valve on an Isolating Valve at 45° to Air Valve outlet
Two Air Valves on an Air Trap with separate Isolating Valves. Air
Valve outlets face outward and the Isolating Valves at 45° to Air
Valve outlets
Two Air Valves on a shared Isolating Valve. Air Valves outlets face
outward and the Isolating Valve at 45° to Air Valve outlets
Underground Installations
Underground installations require a venting pipe from the
manhole
Use an angular installation to bypass an obstacle directly
above the pipeline.