Air/ gas ratio controls for maintaining a constant gas/ air pressure ratio of 1: 1, GIK for continuous control, GIK..B for high/ low/ off control, EC type tested and certified.

DN: 15 to 150,
connection: thread or flange,
pe: max. 200 mbar,
pL: 0.5 to 120 mbar,
pG: 0.2 to 119 mbar,
� p: max. 100 mbar