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Translation of the original instructions
Dust Removal Filter, Filtration Group GmbH, 25.01.18, Mat. No. 79340811, Version 12
9.2
Pressure relief devices
WARNING!
If inadmissible excess pressure occurs, the
dust removal filter may be torn loose from its
anchor point!
⇒
Risk of serious injury or damage to property if parts fall
off the system.
•
Design measures must be incorporated to prevent
inadmissible excess pressure on the untreated gas
side.
•
Install pressure relief devices if necessary.
•
Design measures must be incorporated to prevent
inadmissible excess pressure on the dirty side.
•
Install pressure relief (PA+) and overfill protection (LA+)
devices.
•
Cordon off the danger area.
•
Limit the final surge at the end of a silo filling process.
•
If in doubt, consult the manufacturer.
Fig. 8:
Example of a pressure relief device
9.3
Pipe connections
CAUTION
Stress relief must be provided for all pipe connections to
the dust removal filter!
•
Avoid pipe bends or contractions immediately upstream
or downstream of the dust removal filter.
•
All connections must be properly secured (e.g. with pipe
clamps, clamp rings, bolted flanges, etc.).
•
Check that all connections are tight.
9.4
Compressed air connection
9.4.1 Compressed air quality
•
Oil and water-free
•
Free of debris
•
Pressure for SFK: p = 6 bar
•
Refer to PNEUROP 6611/1984 for quality grades
9.4.2 2/2-way valve connection
A:
Jet pulse nozzle
P:
Pressure vessel
Fig. 9:
Connection diagram for the 2/2-way valves
9.4.3 Compressed air connection
•
Install a pressure reducing valve and filter near the dust
removal filter if necessary.
Install a suitable compressed air shut-off
valve at an easily accessible point.
•
Connect compressed air (1/2”) to the dust removal filter.
Fig. 10:
Compressed air connection
LA+
PA+
A
P
Pressure
relief
device
1/2“i
