Urban heat pipe pneumatic valve installation shall comply with the provisions of the construction safety

security pneumatic valve must be installed vertically, and in both directions to check the verticality, found tilt should be corrected.
security pneumatic valve on the steam pipes and equipment due to the outdoor exhaust steam pipe. Hot water piping and equipment on the safety of the pneumatic valve should have received safety drain, and should have enough cross-sectional area and anti-freezing measures to ensure that emissions. On the exhaust pipe and drain pipe pneumatic valves shall not be installed.