Butterfly valves:Shut-off of dusty to fine-grained bulk materials.Even for potentially explosive areas. Speed Speed Explosion protection ATEX device Tightness gastight in the passage gastight to the outside Material sealing plate stainless steel 1.4301 structural steel Material housing cast aluminium structural steel Drive hand lever pneumatic cylinder pneum. rotary drive electric actuator Nominal size Ø 50 Ø 65 Ø 100 Ø 125 Ø 150 Ø 200 Ø 250 Ø 300 Ø 350 Ø 400 Ø 500 No products were found matching your selection. Vario butterfly valve DKV Intermediate flange valve DKZ Flange valve DKF Metal butterfly valve DKB