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DUNGS MB-D(LE) 405-412 B01, One-stage mode - Gas multibloc
DungsGas multibloc

DUNGS MB-D(LE) 405-412 B01, One-stage mode

The DUNGS GasMultiBloc® MB-D(LE) 405-412 integrates filter, regulator, valves and pressure switches in one compact fitting.

SKU 3G-OTH-02921

Also listed as: MBDLE405412B01 · MB DLE 405 412 B01

Brand
Dungs
Item
MB-D
Part Number
MB-DLE-405-412-B01
Category
Gas multibloc
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Technical Documents

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Dungs Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DUNGS GasMultiBloc® MB-D(LE) 405-412 integrates filter, regulator, valves and pressure switches in one compact fitting.

Frequently Asked Questions

What is the DUNGS MB-D(LE) 405-412 B01 used for?

The DUNGS GasMultiBloc® MB-D(LE) 405-412 B01 is a single-stage gas multibloc used for gas safety and regulation in industrial burners and boilers. It integrates a filter, regulator, two safety shut-off valves, and pressure switches into one compact fitting, suitable for gases of families 1, 2, and 3.

What are the specifications of the DUNGS MB-D(LE) 405-412 B01?

The DUNGS MB-D(LE) 405-412 B01 has a maximum operating pressure of 360 mbar (36 kPa) and nominal diameters of Rp 1/2 to 1 1/4. Output pressure ranges are 4 mbar to 20 mbar (S20/S22) or 4 mbar to 50 mbar (S50/S52). Ambient temperature range is -15°C to +70°C. It features fast-opening solenoid valves per DIN EN 161 Class A Group 2.

Where to buy the DUNGS MB-D(LE) 405-412 B01 in Singapore?

You can source the DUNGS MB-D(LE) 405-412 B01 from 3G Electric in Singapore. We supply genuine Dungs gas multiblocs and handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this single-stage gas safety component.

How to install the DUNGS MB-D(LE) 405-412 B01?

Install the DUNGS MB-D(LE) 405-412 B01 by mounting it with flange connections per ISO 7/1 pipe threads. Ensure the gas supply is off and the ambient temperature is within -15°C to +70°C. Do not operate below 0°C in liquid gas systems. Use a qualified technician to connect the pressure switches and verify the regulator setting.

Used in

Common applications for Dungs
Industrial steam boilers — MB-ZRDLE MultiBloc on modulating gas-fired plant
Hospital and hotel plant rooms — MB-D series for two-stage commercial burners
Food-industry ovens and dryers — DMV butterfly valves on high-turndown modulating lines
Petrochemical gas-train skid assemblies — FRS / FRSBV regulators with GW pressure switches
Retrofit drop-in replacements for older Dungs MB assemblies on existing Weishaupt / Riello burners
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Dungs Products

3G Electric supplies Dungs gas multibloc. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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