8
IOM D-070-P
2.3. Installation Instructions
1.
Flush the system before installing the air valve to avoid any debris or sharp objects getting into the air valve.
2.
Carefully remove the air valve from the shipping package. Unload all air valves carefully to a sturdy level surface
taking care not to drop them.
3.
Install an isolating valve below the air valve, connected by a riser to the crown of the pipe.
4.
The D-070-P Dynamic Combination Air Valve should be installed vertically on a riser on the crown of the pipeline.
5.
Mount the air valve carefully on the rubber gaskets of the isolating valve.
6.
Place washers on each of the bolts & nuts that connect the air valve flange to the isolating valve flange.
7.
Tighten all the bolts and nuts using the crossover method.
a. The closure tightness of the bolts and nuts shall be according to the standard torque for their specific size.
b. Use ring wrench keys for the closing and opening of all bolts of the air valve (including the flange bolts).
2.4. Directions for Discharge Outlet D-070-P Air Valve
1.
It is recommended to leave the discharge outlet completely
open and unhindered:
a. Avoid directing the discharge outlet opening in the direction
of workers, bystanders or animals.
b. Avoid directing the discharge outlet opening in the direction
of vulnerable equipment that can be damaged, such as
electrical equipment, unstable structures, etc.
2.
If a drain pipe must be installed to direct the outlet discharge
away from sensitive areas, please follow the recommended
drawing (do not use flexible pipe):
D = Diameter of the air valve