Description
Dungs MBZRDLE 420 B01 S52 Multibloc Gas Valve
Overview
The MB-ZRDLE 420 B01 S52 multibloc gas valve integrates a filter, regulator, valves and pressure switches in one small package to decrease installation and commissioning times. One of the main features of this gas valve is the dual-stage operation and a partial volume setting.
Suitable for gases of families 1, 2, 3 and other neutral gaseous media.
The MBZRDLE 420 has two double-seat valves, they are controlled separately with the S52 model.
This Dungs MB-ZRDLE modular system permits individual solutions by using external ignition gas tap in connection with separately controlled valves, by adding a valve proving system, mini/maxi pressure switches, pressure limiters, limit switch and closing stroke limiter at valve V2, regulator blocking for liquid gas applications.

MBZRDLE 420 B01 S52 Multibloc Gas Valve Features
Pressure switches can be additionally fitted to the MBZRDLE 420 as valves, the GW A5 and GW A2 pressure switches are suitable for this gas valve. It also features two solenoid valves; the first is fast opening and fast closing; the second is slow opening and fast closing.
- Nominal Diameter: DN 50
- Pressure [bar] Max: 360 mBar
- Ambient operating temperature: -15 °C to +70 °C
- Output Pressure: 4 mBar - 50 mBar
- IP Protection: IP54
- Valve 2 Opening Time: 50 seconds approx.
- Fine mesh dirt trap.
- High flow rates with low-pressure drop.
- Compact and lightweight.

Dungs MBZRDLE Dimensions
Gas Valve Type | Height | Width | Depth |
---|---|---|---|
MBZRDLE 420 S22 | 400mm | 100mm | 283mm |
MBZRDLE 420 S50 | 400mm | 100mm | 283mm |
MBZRDLE 420 S52 | 400mm | 100mm | 283mm |
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