Description: Percentage probability of error-free operation over the period of time specified under the reliability period under specified environmental conditions; Name: reliability according to standards
Description: Percent probability of a fault-free operation over the period of time specified under the reliability period under specified environmental conditions; Name: Reliability according to norm
Description: pump h(q) curve where the maximum head (peak point) and shut-off head are not coincidental, or the total head does not decline continuously as the rate of flow increases; Name: stable pump H(Q) curve