Using hydraulic cycles for exterior purposes, the viscosity of the fluid and the volume flow rate change due to temperature inconsistencies; this change can lead to considerable functional disturbances.
The temperature compensation valve contains a shape-memory component and is capable of maintaining a certain volume flow rate within a set temperature range. The SM-component is passively accessed through the surrounding temperature.
The depth at which the valve is placed into the casing adjusts the desired volume flow rate. At temperatures > 20° C, the valve’s bypass is closed. If the temperature drops below 20° C, the SM-element opens the bypass against a return spring and adjusts the viscosity and the change in volume flow rate.

Compensation of changing viscosity levels in hydraulic cycles caused by change of temperature.

•    silent
•    very short reaction time
•    long service life
•    small design