Medium-sized gas boiler
45
Composition
1. Body
2. Cap
3. Cap gasket
4. Strainer screen
Features:
The device is to remove foreign objects in the boiler and the heating pipeline.
1. Prevention of corrosion in the pipe: The portion of accumulated foreign objects inside the pipe
gets corroded first. Accordingly, the foreign objects shall be strained to prevent corrosion.
2. Extension of the boiler life: The accumulated foreign objects obstruct heat transfer, and the
accumulated portion is overheated, which shortens the life of the boiler. Consequently, the
foreign objects shall be strained to extend the boiler life.
3. Protection of main equipment: The heating circulation pump, the valve, and other equipment
are protected from being damaged by foreign objects.
Installation method
1. Install the strainer in the direction of the heating water flow, as indicated in the body of the
heating strainer.
2. You may install the strainer in a horizontal or vertical direction, as desired.
3. Install the valves on each end of the heating strainer, in order to prevent the heating water
from draining during cleaning of the strainer.
4. The pocket shall be installed to face the ground surface, and a sufficient space shall be
provided for cleaning the strainer.
The method of cleaning (Removal of foreign objects)
1. Close the valves on each side of the strainer, to
completely shut off the heating water.
2. Open the cap to remove the foreign objects on the
strainer screen.(! Caution: Care shall be taken against
a burn, possibly caused by the heating water.)
3. After cleaning, check if there is a leak of the heating
water. Then, open the valve to use the strainer.
4. The heating strainer shall be cleaned periodically. At
the beginning of use, foreign objects usually remain
in the pipe, which shall be cleaned out.
STRAINER
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