MBC-300/700/1200-VEF: GasMultiBloc®, Combined regulator and safety valve, Infinitely variable air/g

MBC-300/700/1200-SE/N: GasMultiBloc®, Combined servo pressure regulator and safety shut-off valves

MB-ZRD(LE) 415-420 B01: GasMultiBloc®, Combined regulator and safety shut-off valves, Two-stage func

MB-ZRD(LE) 405-412 B07: GasMultiBloc®, Combined regulator and safety shut-off valves, Two-stage func

MB-ZRD(LE) 405-412 B01: GasMultiBloc®, Combined regulator and safety shut-off valves, Two-stage func

MB-VEF 415-425 B01: GasMultiBloc®, Control and safety combination, Gas-air-ratio control

MB-VEF 407-412 B01: GasMultiBloc®, Control and safety combination, Gas-air-ratio control

MB-D(LE) 415-420 B01: GasMultiBloc®, Control and safety combination, One-stage mode

MB-D(LE) 407-412 B07: GasMultiBloc®, Control and safety combination, One-stage mode, Integrated bypa

MB-D(LE) 405-412 B01: GasMultiBloc®, Control and safety combination, One-stage mode