Description: Difference of the total energy head at the outlet side of the pump to the total energy head at the inlet side of the pump; Name: energy circulating lift of the pump
Description: difference between the total head at the outlet side of the pump and the total head at the inlet side of the pump; Name: lift circulating pump
Description: Allocation of the devices according to deployment site and cause of the hazard. NOTE: The Group II operating media are further subdivided into explosion groups and temperature classes; Name: Explosion protection device group of the pump