from the Fig. I guess... / y! z% A' Y; S$ o J6 R r9 V5 G# J* x7 _- g0 o3 c; m4 U/ kvariable displacement and fixed displacement pumps# n9 B% q7 C3 v) T5 R/ Z& ^
( S$ O3 {# u1 [8 H- D2 vyou can change the swash of one pump to vary the displacement and then change the flow 1 @) i5 f. v$ d 8 _8 U. g& ~% u5 ]% B0 v: z, g" Nactually the first Fig tells you the relationship of Load pressure and flow . / ?- P1 f2 O* u2 k! C/ ~
based on it . you can determine the horsepower loss and suitable operating pressure.! A" U% X0 J& Y4 q# |2 f/ o