Since more than 100 years butterfly valves of type DKK/DAK are successfully operating. Over the years the valve has been slightly modified. The rigid execution and lubricated bearings makes the valves indestructible and suitable for operation even under roughest conditions.
Sizes: DN 80 - DN 3400 respectively 3" - 136"
Pressure rating: PN 6 - PN 16 Class on request
Temperatures: -10° C ... +1150° C according to customers request
Leakage class: <0,5% Kvs 90° DKK; <0,2% Kvs 90° DAK