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Dungs MBC GasMultiBloc Combined regulator & Safety Valve Gas-air-ratio-control

Dungs MBC GasMultiBloc Combined regulator & Safety Valve Gas-air-ratio-control

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Product Datasheets

  • Dungs MBC-300-VEF Gas MultiBloc Valve

    Combined regulator and safety shut-off valve - Gas-air ratio control

    • Max. Operating pressure: 360 mbar (36 kPa)
    • Nominal diameters: Rp 1/2 - 1 1/4
    • Approvals: EN 161, EN 88, EN 12067-1

    Integrates a filter, valves, and servo pressure regulator in one modular assembly.

    View Datasheet

  • Dungs MBC-700-VEF Gas MultiBloc Valve

    Combined regulator and safety shut-off valve - Gas-air ratio control

    • Max. Operating pressure: 360 mbar (36 kPa)
    • Nominal diameters: Rp 1 - 2
    • Approvals: EN 161, EN 88, EN 12067-1

    Integrates a filter, valves, and servo pressure regulator in one modular assembly.

  • Dungs MBC-1200-VEF Gas MultiBloc Valve

    Combined regulator and safety shut-off valve - Gas-air ratio control

    • Max. Operating pressure: 360 mbar (36 kPa)
    • Nominal diameters: Rp 1 - 2
    • Approvals: EN 161, EN 88, EN 12067-1

    Integrates a filter, valves, and servo pressure regulator in one modular assembly.

Dungs MBC-VEF: The Ultimate Solution for Gas Safety and Control

When it comes to gas safety and control, there’s no room for compromise. At Comtherm, we are proud to present the Dungs MBC-VEF series, a versatile and compact solution designed for optimal safety and efficiency in gas applications.

The Dungs MBC-VEF MultiBloc is an all-in-one modular device, incorporating filtration, regulation, and shut-off mechanisms to ensure seamless operation. Designed for use in forced-draught burners and premix burners, the MBC-VEF enables precise gas-air mixture control in modulating and multi-stage systems.

Key Features:

  1. Integrated Safety System - Combines gas filtration, regulation, and shut-off in a single, compact design.

  2. Precision Regulation - Fine-tuning of gas and air pressure ratios for maximum efficiency.

  3. High-Flow Performance - Optimised design for high flow rates with minimal pressure drop.

  4. Versatility - Available in multiple sizes, with options for zero and constant pressure control.

  5. Certified for Safety - Meets international standards, including EN 161, EN 88, and EN 12067-1.

  6. Modular Design - Customisable with accessories such as pressure switches and valve position indicators.

With its low power consumption, lightweight construction, and easy installation, the Dungs MBC-VEF is the ideal solution for modern gas-fired heating and combustion systems.

Which MBC-VEF Do You Need? Part Number Break Down...

Each MBC-VEF model comes with a unique code, helping you identify the exact configuration for your application. Below is a breakdown of common designations:

Nameplate Code 

Refers to
MBC Multibloc
VEF Gas-Air Ratio Control
300 300 m³/h Flow Rate
700 700 m³/h Flow Rate
1200 1200 m³/h Flow Rate
Rp Flange connection (ISO 7/1)
NPT Flange connection (American Standard)

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