Description: Speed at which the turbine fast closing is triggered; Name: Quick-action speed
Description: Speed at which the turbine quick action is triggered; Name: Quick-acting speed
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