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Protective filters are intended to protect the hydraulic devices against coarse contamination. They are installed upstream of devices sensitive to contamination in hydraulic circuits or in the control

Working cycle

Logarithmic sound pressure p, in relation to the sound pressure p o The reference sound pressure p O (pO = 20 μPa) is equal to the noise pressure of the human hearing threshold level at 1000 Hz in dB.

Agreements and regulations to ensure the safe and uninterrupted transfer of information between functional groups of an EDVA in accordance with the required functions. Minutes contain specifications o

Temporal relationship between the partial processes which help ensure a program is executed sequentially (DIN 44 300).

The time delay τ between two sine oscillations with the frequency f ( Figure P 7 ):

The operational amplifier is a DC amplifier with a large negative gain factor, very high input resistance and very high output resistance. The operational amplifier always operates on the principle of

Surface roughness (roughness depth) refers to the unevenness of actual surfaces based on the material involved and how is has been processed. Surface roughness is largely responsible for the wear expe

Fixture which assumes responsibility for actuation if the normal actuation device fails (triggered manually in most cases).

1. Term previously used instead of " nominal size " to indicate a device size. 2. Standardised numerical variables with which the inside diameter of pipes is compared. The nominal width for pipes is d