ATOS hydraulic vane pump PFE21 PFE31 PFE41 PFE51 PFE61 PFE22 PFE32 PFE42 PFE52

PFE-

31

036/

1

D

T

Fixed disp. pump

Series (see 2 )

Nominal displacement

(cm3/rev)

Drive shaft: (see 6 and 7 )

Direction of rotation

(viewed from shaft end)

Port orientation (see section 5 )

Synthetic fluids

PFE series

single vane pump

21

005, 006, 008, 010,

012, 016

1=standard 2=long version 3=for high

torque applications 5=splinded shaft for any

position

6*= splinded shaft for first position

7*= splinded shaft

for multiple pump

D= clockwise

(standard )

S= anti-clockwise

T=standard

U, V, W= on request

WG= water- glycol

PE= phosphate ester

31

016, 022, 028, 036,

044

41

029, 037, 045, 056,

070, 085

51

090, 110, 129, 150

Installation position

Any position

Loads on the shaft

Axial and radial loads are not allowed on the shaft.. The coupling should

be sized to absorb the power beak.

Ambient temperature

From -20℃ to +70℃

Fluid

Hydraulic oil as per DIN 51524…535; for other fluid see section 1

Recommended viscosity

Max. at cold start Max. at full power During operation Min. at full power

800 mm2/s

100 mm2/s

24 mm2/s

10 mm2/s

Fluid contamination class

ISO 19/16

Fluid temperature

-20℃+60℃                -20℃+60℃ (/WG seals)         -20℃+60℃(/PE seals)

Recommended pressure on inlet port

From -0.15 to 1.5 bar for speed up to 1800 rpm, from 0 to +1.5bar for

speed over 1800rpm