Damcos KC Linear Double-acting Actuator

The Damcos KC is a Linear Double-Acting Actuator, designed for intermediate positions and fail set operation. The KC converts hydraulic pressure into linear motion with thrust that is delivered proportional to the applied pressure. The Damcos KC Actuator has no external moving parts and has a built-in device to maintain pressure at temperature variations.


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Unique and simple design with built-in crossover valve
Easy installation on intermediate flange at globe valve
Same unit for several valve sizes
Will operate in sea air as well as sea water
No external moving parts during operation
Prepared for direct built-on modular control functions or LPU
Built-in hydraulic emergency operation for KFR
Direct visual position indication
Electrical on/off or continuous position indication IP 68
Connection block with e.g. filter
Throttle valve
Quick connection for emergency operation with portable hand pump
LPU mounting.
Torque: 17000 to 290000Nm
Weight: 4,5 to 150 kg
Working pressure: 135 bar
Test pressure: 1,5 x working pressure
Burst test: min. 675 bar
End Closing thrust (spring): 1500 - 16500 N
Viscosity of hydraulic oil: 15 to 200 cSt
Temperature: -20°C to +80°C
Piston: GGG40
Housing: GGG40
Output spindle: Brass, other material on request
Indicator housing: Brass MS 58
Intermediate flange: St 52-3, other material on request
Hand pump: Brass MS 58
Primer: min. 40 μm, type Hempel EE 13140
Top coat: min. 25 μm alkyd, red no. 51320