Unigas KPBY70, Manual Of Installation - Use - Maintenance

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PART II: INSTALLATION
16
3.3 MULTIBLOC DUNGS MB-DLE 405..412
Mounting
1. Mount flange onto tube lines: use appropriate sealing agent (see Fig. 7);
2. insert MB-DLE: note position of O rings (see Fig. 7);
3. tighten screws A, B, C and D (Fig. 5 - Fig. 6), accordind to the mounting positions (Fig. 8);
4. after installation, perform leakage and functional test;
5. disassembly in reverse order.
2
The procedures of installation fo the gas valves are showed in the next paragraphs, according to the gas train used:
3.4 MULTIBLOC DUNGS MB-DLE 415..420
Mounting
1. Loosen screws A and B do not unscrew (Fig. 9 - Fig. 10).
2. unscrew screws C and D (Fig. 9 - Fig. 10).
3. Remove MultiBloc between the threaded flanges (Fig. 10).
4. After mounting, perform leakage and functional tests.
3.5 Siemens VGD20.. and VGD40.. gas valves - with SKP2.. (pressure governor)
Mounting
z
When mounting the VGD.. double gas valve, two flanges are required (as for VGD20.. model, the flanges are threaded); to prevent
cuttings from falling inside the valve, first fit the flanges to the piping and then clean the associated parts;
z
install the valve;
z
the direction of gas flow must be in accordance with the direction of the arrow on the valve body;
z
ensure that the bolts on the flanges are properly tightened;
z
ensure that the connections with all components are tight;
z
make certain that the O-rings and gaskets between the flanges and the double gas valve are fitted.
z
Connect the reference gas pipe ( TP in figure; 8mm-external size pipe supplied loose), to the gas pressure nipples placed on the
gas pipe, downstream the gas valves: gas pressure must be measured at a distance that must be at least 5 times the pipe size.
Leave the blowhole free ( SA in figure). Should the spring fitted not permit satisfactory regulation, ask one of our service centres for a
suitable replacement.
Fig. 5 Fig. 6 Fig. 7 Fig. 8
Fig. 9 Fig. 10 Fig. 11 Fig. 12
MOUNTING POSITIONS
A
B
C
D
C
B
D
A
MOUNTING POSITIONS