172 505 03 08-01
MULTI-BLOC, MB-ZRDLE 405-420
1. Ball valve
2.
Fixing lange
3. Gas pressure switch
4.
Governor with pressure adjust-
ment
5.
Protective cover, start gas adjust
-
ment
6.
Hydraulic device, adjustment of
stage 2
7.
Lock screw for low adjustment
8. Main valve
9.
Knob for adjustment of stage 1
10. Test nipple, inlet pressure
11. Test nipple, pressure after
governor
12. Test nipple, before governor
13. Filter
Max. inlet pressure: 360 mbar.
Adjustable governor pressure:
405 - 412 S50 = 4 - 50 mbar
415 - 420 S20 = 4 - 20 mbar
415 - 420 S50 = 20 - 50 mbar
Solenoid valve: Slow opening valves
with adjustable start load, stage 1
and stage 2.
1(2)
MEASURES AND CHECKS BEFORE START-UP
172 205 89 10-01
Inner assembly
Natural gas, LPG
Inner assembly
Natural gas
Inner assembly
LPG
Inner assembly
Biogas (UV-detector)
45°
3-4
≈
1
10-12
3-3,5
15-20
