Kenosha Reuse Discussion Board > KENOSHA, WI
> Commercial
> Mechanical
> Used
> No Warranty
> Barber-colman mk-8921 proportional pneumatic actuator
Barber-colman mk-8921 proportional pneumatic actuator
Proportional Pneumatic Actuator
Proportional pneumatic actuator with 100 in.2
(645 cm2) effective area. MK-88xx Series used to
control 2-1/2 in. through 4 in. valves requiring 1 in.
stroke. MK-89xx Series used to control 5 in. and 6 in.
valves requiring 2 in. nominal stroke. Used with
VB-931x and discontinued VB-921x, VB-922x valves.
Heavy duty aluminum construction.
Large diaphragm area provides the required force to
Valve stroke indicated in 1/8 in. increments.
