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The quality of the Sesam Spiro window opener is emphasized with the fact that it is manufactured in stainless steel.
Furthermore, as with all the other small window openers from us, it uses our well-proven standard hydraulic cylinder.
One of the unique features of the Sesam Spiro window opener is that it keeps the hydraulic cylinder inside the greenhouse no matter if the window is open or closed. By then, the opener will react on the inside temperature in the greenhouse and not the lower outside temperature, thus the opener will open when the temperature increases.
To increase the usability of the opener without compromising the quality, you can steplessly adjust the opening temperature for the Sesam Spiro in order to give your plants the optimum surrounding temperature.
The Sesam Spiro is designed with a long opening stroke, thus a large opening of the vent is necessary for a good natural ventilation in the greenhouse.
As an extra feature the hydraulic cylinder on the Sesam Spiro opener equipped with a thermometer.
Thereby you will be able to see the actual temperature of the wax in the cylinder.
The stainless steel gives the opener a superior degree of corrosion resistance, which easily will make the opener last throughout its whole lifetime.
|Opening force||7 kg|
|Standard closing force||0.5 kg|
|Temperature range, opening||17 – 25 ºC|
|Maximum window opening at||30 ºC|
|Maximum opening stroke||45 cm|
|Standard color||Metallic (untreated)|