Description: Critical speed (nk) is the rotational speed at which acting dynamic forces cause a machine component (e. g. shaft, rotor) to vibrate at its natural frequency (also referred to as intrinsic frequency, fi) and can even result in resonant vibrations throughout the entire machine and pump set; Name: crit. Speed
Description: Speed of rotation at which the frequency of vibration (or its multiples) corresponds to the rotor resonant (lateral or torsional) ; Name: Critical speed
Description: legally valid designation of the natural or judicial person which is directly responsible for the design, production, packaging and labeling of the sealing in respect to its being brought into circulation, whereby this person is responsible independently of whether these activities were carried out by this person or by third parties on its behalf; Name: Manufacturer's name of the sealing