Description: actual pump efficiency; Name: pump eff
Description: determined proportion of the pump power input, p, delivered as pump power output, pu, at given operating conditions; Name: pump efficiency
Description: norm/stipulation describing the explosion protection. The explosion protection type, the device category, the temperature class as well as the device / explosion group are taken from this norm. The type and number of the norm/stipulation with issue year and issue month must be given; Name: Reference norm of the explosion protection