Hydraulic cylinders – THERMACT

If you have a special application, it is possible to acquire the hydraulic cylinder from the small range openers in special configurations.

These special hydraulic cylinders belongs to a group of products we call Thermact. Basically the product group called Thermact is any special configuration of the hydraulic cylinder from our small range window openers.

Most of the Thermact cylinders are supplied with our window openers instead of the standard cylinder. But many Thermact is also used without the window openers as a stand-alone. This could be if you need to open a window in your house, winter garden or in your orangerie. But it is also used in industrial applications like in helicopters and wind turbines.

With the Thermact-program it should be possible for you to find a cylinder that fits exactly to your needs. The variety in the Thermact-program is proven by:

•    Temperature ranges right from 9 °C up to 45 °C
•    Stroke lengths from 27 mm all the way op to 206 mm
•    Several different combinations of piston rod ends and mounting elements
•    Push force 80 kg
•    Type B and D need 6 kg force to push the piston pin back
•    Type E: Pull force 0 kg

Link to Thermact general datasheet from our catalogue (pdf).

If you need a special configuration, color, brackets ect. not listed, please do not hesitate to contact us for further inquiry.


Hydraulic cylinder with an internal M6 thread in the end cap, and a 2.5 mm cotter hole in the piston rod end
Hydraulic cylinder with an internal M6 thread in the end cap, and an external M6 thread in the piston rod end
Hydraulic cylinder with a return spring and internal M6 threads in both ends


In addition to the hydraulic cylinders, you can equip them with different mounting elements.

frame_bracket_sm Bracket to install the cylinder on fx a window frame etc.
ball_joint_without_ang_bracket_sm Ball joint with M6 thread
ball_joint_with_ang_bracket_sm Ball joint including an angular bracket


The table below contains the stroke lengths for the different cylinder lengths and types of wax

Cylinder length (L)
Wax type L = 130 mm L = 200 mm L = 273 mm L = 450 mm
FED 38 mm 65 mm 93 mm 160 mm
D 27 mm 45 mm 64 mm 111 mm
E 49 mm 83 mm 119 mm 206 mm
E5D 46 mm 78 mm 111 mm 191 mm
E10D 41 mm 70 mm 100 mm 173 mm
E15D 37 mm 63 mm 90 mm 155 mm
E20D 35 mm 60 mm 86 mm 148 mm
F 40 mm 67 mm 96 mm 166 mm
F10D 46 mm 78 mm 112 mm 194 mm
F20D 41 mm 70 mm 100 mm 173 mm


The table below contains the temperature ranges that the different wax blends works within.

Cylinder extension Cylinder retraction Datasheet
Wax type Start extension Fully extended Start retraction Fully retracted pdf
FED 17 °C 34 °C 31 °C 13 °C FED
D 9 °C 12 °C 8 °C 6 °C D
E 24 °C 29 °C 27 °C 22 °C E
E5D 21 °C 27 °C 24 °C 19 °C E5D
E10D 16 °C 26 °C 22 °C 14 °C E10D
E15D 15 °C 25 °C 21 °C 12 °C E15D
E20D 12 °C 23 °C 19 °C 7 °C E20D
F 41 °C 45 °C 41 °C 38 °C F
F10D 27 °C 41 °C 37 °C 24 °C F10D
F20D 20 °C 40 °C 34 °C 15 °C F20D


Link to info sheet: Thermact for Nova Air (Ventilation ohne Strom! )

For Professionals/B2B
For Professionals/B2B


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Mail: info@orbesenteknik.com

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