Dungs Double Solenoid Valves and Multiblocs are of modular construction with two valves fitted in series, one Slow Opening and one Fast Opening or both Fast Opening and these are very convenient for Mounting Pressure Switches, Valve Proving Systems etc.
These are available in sizes from 3/8″ to 5″ and from Inlet Pressures of 500mbar and 5 bar.
Popular models are in DMV-D and DMV-DLE series.
Multibloc valves are also Double Solenoid Valves in series used for low pressure multi-functional applications upto 360mbar.
They are modular in construction and they can provide single and two stage control as well as air gas ratio regulation control.
It is very convenient to Mount Pressure Switches and Valve Proving Systems on these blocs.
Popular models are MB-DLE, MB-ZRDLE and MBC-SE, MBC-VEF series.