The Dungs MB-VEF 420 B01 S10 is a high-performance GasMultiBloc designed for combustion control systems, integrating multiple gas safety and regulation functions into a compact unit. Here's a detailed breakdown of its specifications and features:

Technical Specifications

• Model: MB-VEF 420 B01 S10
• Function: Control and safety combination with gas-air ratio control
• Nominal Diameter: Rp 2 (approx. DN 50)
• Max Operating Pressure: 360 mbar
• Opening Time:  1 second
• Input Pressure Range (S10): 5 – 100 mbar
• Power Supply: 220–240 V AC
• Power Consumption: Max 90 VA
• Max Current: 0.37 A
• Weight: Approx. 7.9 kg
• Protection Class: IP54