Description: Date specification related to a fixed date; Name: calendar validity from
Description: appointment information covered to a fixed date; Name: calendrical validity from
Description: measure of the increase in the pumped liquid water on a pipe connected vertically to the pump when the flow rate is zero. related to the operation of the pump at 1,450 rpm with maximum impeller size; Name: pump shut-off head for maximum impeller diameter at 1450/min