Számítás: Az adagolószivattyú szívóvezetékének átmérője

p_Beh	Absolute pressure in the chemical tank	[bar]	(sea level = 1)
p_Dampf	Vapour pressure of dosing agent at valve inlet temperature	[bar]	(Water at 20 °C = 0.023)
H_Saug	Pump suction height	[m]	(>0 at feed, <0 at suction)
Density	Chemical density	[kg/dm³]	(Water = 1.0)
Q	Pump delivery capacity	[l/h]
F	Pump stroke frequency	[stroke/min]
L	Length of suction line	[m]
	decimal places


NPSH_a	Net Positive Suction Head, available	[bar]
d	Minimum diameter of suction line	[mm]