23
4.2
Flushing on a new system
(to DIN 1988, part 2, paragraph 11.2 – see 2.
Application)
-
program selection ‘Flushing Water + Air’
If at all possible, the installation should be
flushed after pressure testing. Client or
planner should be present for the flushing.
1.
Push program key ‘flushing water + air’.
Flow rate is indicated when stop valves are opened, and air blasts at proportionate rate are
delivered into the pipe system.
2.
Conversion Table – Min. Flow Rates
Max. nominal diameter of
distribution pipe DN (copper
pipe)
15x1 18x1 22x1 28x1 35x1,5 42x2 54x2
Min. flow rate m
3
/h
0,20 0,32 0,46 0,68 1,27 1,84
Max. nominal diameter of
distribution pipe DN
(galvanized steel pipe)
½“
¾“
1“
1 ¼“
1 ½“
2“
Min. flow rate m
3
/h
0,36 0,66 1,05 4,52 2,63 3,71
If a min. flow rate of 0,5 m/sec is not reached, flush by means of storage tank and pump.
3.
Wiring diagram - pressure increase
4.
Flushing per outlet must take at least 15 sec per running meter of pipe to be flushed or 2
minutes per tap.
5.
Flushing must proceed from the bottom to the top.
Cleaning Compressor
ENGLISH
Summary of Contents for ROPULS
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