Protection of pipe during draining with CSA air valves

Combination air valves are essential during pipe draining because they allow the entrance of big volumes of air, avoiding severe damages to the system. The animation shows the functioning of CSA air valves for this application.

[@luthandolumarcho8400]

Well explained, thank you.

[@kijutonett]

How to build 3D netwwork water , plz show năm software

[@tuannguyenquang6126]

goods