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TECHNICAL DATA

Max working pressure 360 mbar (36 kPa)
Exit pressure (Pa):
MB....S20/S22 = 4÷32 mbar
MB....S50/S52 = 20÷50 mbar
Valves of the class A, group 2 (DIN STANDARD EN 161) suitable for gas belonging to the families 1-2-3.
D.C. coils, noise incidence (solenoid valve against radio noises).
Possibility to exclude the pressure regulator for the use of gaseous LPG (tighten completely, sign +, the
pressure regulator screw). Closing time of the valves 1 and 2 within one second from electric supply interception.
Temperature from -15°C to +70°C, for gaseous L.P.G. systems do not use at temperatures below zero centigrade.
The L.P.G. can condense and, in the liquid state, it would damage sealings and membranes.
Voltage and frequency: AC 50/60Hz, 230V -10% + 15%
Connection time:
100%
Electric protection:
IP54
Assembly position:
coil in vertical or horizontal position; possibility to employ the tightness check for
valves mod. VPS 504.
pressure take-off point
Electric connection
IEC 730-1 (VDE 0631 T1)
see valve drawing
Point (12)
Mp
P1
N
L1
P2
L2
Valves V1,V2
1st stage
48
COMBINED GAS VALVE (monobloc) DUNGS
(GASMULTIBLOC) mod. MD-ZRDLE 415 B01 S22
(1"1/2) / MB-ZRDLE 420 B01 S22 (2")
Point (4)
L
Mp
P
N
Valves V2
2nd stage
1,2,3,4,5, G 1/8 SCREW CAP
1 - Pressure intake on entry (before the filter)
2 - (Pe) Pressure intake after the filter
3 - (Pa) Pressure intake after the pressure regulator
4 - (PBr) Pressure intake after the main
two-stage-valve (head pressure)
5 - Pressure intake on exit (head pressure)
APPROVALS
The request for the utility model test certification ac-
cording to Ce-directives for gas appliances has been
already submitted.
MB-ZR....415...B01 CE-0085 AQ 0233
MB-ZR....420...B01 CE-0085 AQ 0233
Approvals in other important gas consuming coun-
tries.
EN
N° 0002910580
Rev. 25/01/00

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