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On a logarithmic scale, this states the entire sound power W emitted from an acoustic radiator in relation to a specific output W o of 1 pW. The sound power level is therefore a machine-specific varia

Elements used to create removable connections for pipelines and devices. They are manufactured for three pressure stages (LL - very light, L - light, S - heavy). A distinction is made between three di

All signals of sensors that are used to check device functions. Test signals are also all signals routed over interfaces to monitor the operating status of the device, e.g. actual value, solenoid curr

Reversal of a pulse valve by supplying air (pressurisation) to the piloting line. Since negative-pulse control is hardly used any more, the term used most often is simply pressure actuation.

Where flow resistors ( orifice , throttle ) are used to control the movement of hydraulic motors and cylinders ( control with throttle ), this is based on the principle of connecting pressure dividers

The valve control spools on three way valves are, with the exception of very large nominal diameters, placed in the centre position and maintained there by two springs as soon as the solenoid force or

Devices that close or open electrical contacts in the event of pressure load (DIN ISO 1219-1). They are generally used if an electrical switching command or status signal should be issued when a set (

Flow resistor () with laminar flow, e.g. capillary gap. Has a largely linear flow rate pressure characteristic .

Metal block, which houses several valves through incorporation or addition. The connections necessary for it to function are drilled into the block and are connected to the corresponding lines.