PFEO-41 and PFEDO-430 pages

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Table A009-0/E

Vane pumps for PTO drives type PFEO-41 and PFEDO-43
fixed displacement, DIN ISO 6162-1, square flange

Hydraulic
symbol

PFEDO-43045/022/5D
ቢ
ባ
ቤ
ብ
ቦ

body
first cartridge: stator, rotor, vanes, balanced plates
second cartridge: as above
renforced shaft
double ball bearing

1

ቧ
ቨ
ቩ
ቪ
ቫ

Fixed displacement vane pumps
specially designed for direct installation
on PTO drives of mobile vehicles and
derived from PFE standard versions but
with:
- 4 holes, square mounting flange
according to DIN ISO 6162-1 for
direct connection to PTO;
- DIN 5462 reinforced splined shaft,
specially supported by a double ball
bearing and a roll bearing for high
radial loads;
- double shaft seal to prevent
contamination between the PTO
gearbox fluid and the pump fluid.
They are available in single cartridge
execution (PFEO) or with double
cartridge in a single body (PFEDO).
Easy installation due to the possibility of
inlet/outlet ports orientation and
semplified maintenance due to the
quick cartridge replacement.
Wide displacement range: from 29 to 85
cm3/rev for PFEO, from 29+16 to 85+44
for PFEDO.
Max pressure up to 210 bar.

roll bearing
double shaft seal
inlet port
first outlet port
second outlet port

MODEL CODE

PFEDO

-

43

045

/

022

/

5

D

TA

**

/*
Seals material:
omit for NBR (mineral oil &
water glycol)
PE = FPM

= fixed displacement
vane pump
PFEDO = fixed displacement
double vane pump
PFEO

Series number

Models:
41 = for PFEO, see section ‫ݙ‬
43 = for PFEDO, see section ‫ݚ‬

Ports orientation, see section ‫ݛ‬

Direction of rotation (viewed at the shaft end):
D = clockwise (supplied standard if not otherwise specified)
S = counterclockwise

Displacement [cm3/rev] PFEO, see section ‫.ݙ‬
Displacement of first element [cm3/rev] PFEDO,
see section ‫.ݚ‬

Note: PFEO and PFEDO are not reversible

Displacement of second element [cm3/rev], PFEDO, see section ‫.ݚ‬

Drive shaft, splined type DIN 5462.

Note: model type PFEO-42* with max pressure up to 280 bar with displacement 045, 056, 070 and 085, available on request.

2

MAIN CHARACTERISTICS

Installation position

Any position.

Loads on the shaft

Axial loads are not allowed.
For max allowed radial load see diagram 7 in section ‫ݜ‬

Ambient temperature

from -20°C to +70°C

Fluid

Hydraulic oil as per DIN 51524...535; for other fluids see section ‫ݗ‬

Recommended viscosity
max at cold start
max at full power
during operation
min at full power
Fluid contamination class
Fluid temperature

1000 mm2/s (low speed 400 rpm and low pressure recommended)
100 mm2/s
24 mm2/s
10 mm2/s
ISO 4401 class 21/19/16 NAS 1638 class 10 (filters at 25 µm value with ß25 ≥ 75 recommended)
-20°C +60°C
-20°C +50°C (water glycol)

Recommended suction line pressure

-20°C +80°C (/PE seals)

from -0,5 to 1,5 bar for speed up to 1800 rpm; from 0 to +1,5 bar for speed over 1800 rpm
A009