Unigas HR93A, Руководство по установке, использованию и обслуживанию

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C.I.B. UNIGAS - M039213CB
16
Assembling the gas grain
Fig. 5 - Example of gas train
To mount the gas train, proceed as follows:
1-a) in case of threaded joints: use proper seals according to the gas used;
1-b) in case of flanged joints: place a gasket (no. 1A..1E - Fig. 5) between the elements.
NOTE: the bellow joint, the manual cock and the gaskets are not part of the standard supply.
The procedures of installation fo the gas valves are shown in the next paragraphs, according to the gas train used:

threaded gas trains with Multibloc Dungs MBC..SE 1200 or Siemens VGD20..

flanged gas trains with Multibloc Dungs MBC..SE 1900-3100-5000 or Siemens VGD40..
MULTIBLOC DUNGS MBC300-700-1200SE (Threaded valves group)
ATTENTION: once the gas train is mounted according to the diagram on Fig. 5, the gas proving test mus be performed,
according to the procedure set by the laws in force.
ATTENTION: it is recommended to mount filter and gas valves to avoid that extraneous material drops inside the valves,
during maintenance and cleaning operation of the filters (both the filters outside the valves group and the ones built-in the
gas valves).
Mounting
1. Mount flange onto tube lines. Use appropriate sealing agent (see Fig. 6)
2. Insert MBC...SE. Note position of O rings (see Fig. 7).
3. Tighten screws A – H
4. After installation, perform leakage and functional test.
5. Disassembly in reverse order
Fig. 7
1A
5
1B
4 1C
2 1D
1E
3
Keys
1A..1E Gasket
2 Gas filter
3 Gas valves group
4 Bellows unit
5 Manual valve
”direction” arrows for installation
gas supply network
MOUNTING
POSITIONS
OPTION
20 16 12 8 4 p
Br
20 16
12 8
4 p Br
20
16
12 8
4 p Br
20 1612 8
4
p Br
min. 5 x DN
DN
£
Ó
20
16 12 8
4
p
Br
#
&
'
%
)
(
"
$
Fig. 6