The DUNGS MB-DLE 420 B01 S20 is a heavy-duty industrial gas control valve engineered for reliable shut-off, flow regulation, and safety interlock in commercial and industrial gas trains. It combines a double-seat solenoid valve with a pressure regulator in a compact, space-saving housing, providing precise downstream pressure control and tight shut-off for natural gas, LPG, and other neutral fuel gases.
DUNGS MB-DLE 420 B01 S20 Technical Specifications
| Manufacturer | DUNGS |
| Model | MB-DLE 420 B01 S20 |
| Product Type | Gas Multibloc Control Valve |
| Function | Double solenoid shut-off valve with integrated pressure regulator |
| Nominal Diameter | DN 20 (3/4″) |
| Connection | Threaded Rp 3/4 per ISO 7-1 |
| Max. Inlet Pressure | Up to 500 mbar (7.25 psi) |
| Outlet Pressure Range | Adjustable, typical 5–100 mbar |
| Voltage | 230 V AC (standard) |
| Protection Class | IP 54 |
| Ambient Temperature | -15 °C to +70 °C |
| Media | Natural gas, LPG, town gas, biogas (neutral gases) |
| Approvals | CE, EN 161, EN 88-1 |
Key Engineering Features
- Double-seat solenoid valve design for high safety integrity and tight shut-off.
- Integrated pressure regulator with adjustable outlet pressure and zero-pressure shut-off.
- Compact Multibloc housing reduces installation space and piping complexity.
- Fast opening and closing times for precise gas train control.
- Robust die-cast aluminum body with corrosion-resistant finish.
- Visual position indicator and manual override for commissioning and testing.
- Compliant with EN 161 and EN 88-1 for gas appliance and burner systems.
Industrial Applications
- Commercial and industrial gas burner systems.
- Boiler and furnace gas trains.
- Process heating and thermal oil plants.
- Gas-fired ovens, dryers, and kilns.
- Biogas and landfill gas utilization systems.
- Safety shut-off and pressure regulation in combustion plants.
For technical inquiries, dimensional drawings, or replacement support for DUNGS MB-DLE 420 B01 S20, contact the Pro-Hydraulic engineering team.
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DUNGS MB-DLE 420 B01 S20 Gas Control Valve
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Shop the DUNGS MB-DLE 420 B01 S20 Gas Control Valve. This precision-engineered industrial component delivers reliable fluid control for heavy-duty systems.