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A safety valve is a fitting, which, by automatically opening, prevents the system from surpassing a predefined overpressure and is intended to automatically close again after a drop in pressure. The r

Measure of speed control, in which the variable pumps are used, which only deliver as much hydraulic fluid as required in the circuit. This keeps the power loss smaller than the control with throttle

Adjustment equipment for hydraulic pumps which, for a drive with constant rotation speed (e.g. electric motor), restricts the power P as a product of the flow rate Q and pressure p to a maximum value,

Intended signal setting of storage elements in a control device as a prerequisite for the implementation of the program. In the signal range an intended signal state as the prerequisite for the realis

The heat output to be dissipated Pc of a flow rate Q is calculated from the temperature difference at inlet and outlet, the specific heat capacity of the medium c (~1.88 kJ/(kg*K) for Oil, ~4.18 kJ/(k

Thermoplastics

Valve , which divides the incoming volumetric flow into two previously determined subflows according to the throttle principle. As the control piston of the valve works like a , the same also applies

Variable issued by the controller output. To differentiate it from the correcting variable, it is given a subscript R (DIN 19 225). The controller output variable is only the correcting variable which

Stiction

Electrical signals which are issued depending on an adjustable time. Timer relays or timer switches are used for this. They are used if the preceding function is to be maintained for a period of time.