Ventilation and air conditioning engineering construction climate action valve installation requirements

ventilation and air conditioning engineering construction climate action valve installation regulations have?
　　. Ethos of flanged valve and non-metal duct or composite duct plug connection, shall be carried out according to the corresponding specification.
　　. Pneumatic valve installation direction should be correct, easy operation, flexible opening and closing. Oblique ethos flashboard valve of pneumatic valve plate for LaQi upward, horizontal, pneumatic valve plate should be inserted in the air flow direction. Manual sealing pneumatic valve installation, pneumatic valve symbol with the arrow direction should be consistent with the direction of the shock wave.
　　. Climate action valve, hanger installation shall be in accordance with the relevant provisions.
　　. Electric and pneumatic control pneumatic valve installation should guarantee the actuator motion space.