PUMPS
POSITIVE ROTARY
RECIPROCATING
GEAR EXT.
INT.
NON-POSITIVE
PISTON RADIAL
AXIAL
VANE IN-LINE BENT-AXIS UNBALANCED BALANCED
NORMAL VANE
INTRA VANE
INTRAVANE VQ
CENTRIFUGAL
AXIAL
POSITIVE PUMPS 1.Inlet and outlet perfectly sealed 2.Flow pulsative 3.Develops pressure when outlet valve is closed
NON POSITIVE PUMPS 1.Inlet and outlet not perfectly sealed 2.Flow continuous 3.Does not develops pressure when outlet valve is closed