Description: highest discharge pressure at specified working temperature up to which the pump casing can be used; Name: max perm casing working pressure
Description: greatest outlet pressure at the specified operating temperature at which the pump casing can be used; Name: Maximum allowable casing working pressure
Description: norm describing the material. The material number is taken from this norm. Type and number of the norm with issue year and issue month must be given; Name: Reference norm material of the rotor