The D20 suits all small size ball/butterfly valves size 1" to 4", with spring return, rack & pinnion actuator or diaphragm actuator, rotary or linear,

-It is single acting but can be double acting with optional bolt on block.
-Its basic design is very simple and compact.
-It is very modular: HART, plug in feedback modules, indicators etc.
-D3 mounting kits fits also D20

D20 Brochure EN
D20 IOM EN