EATON Screw-In Cartridge Valves E-VLSC-MC001-E December 2009H-210.A
An Eaton Brand
H
Where measurements are critical request certified drawings. We reserve the right to change specifications without notice.
PFR5-10 - Flow Regulator
Fixed, priority type, pressure compensated
Up to 23 L/min (6 USgpm) • 280 bar (4000 psi)
Typical Flow Regulation
Cartridge only
Operation
Inlet flow passes through the
fixed orifice and the radial
holes in the spool/sleeve
assembly then out of the
regulated port. The pressure
drop across the orifice is
sensed at each end of the
spool, producing a force
which, at the required flow
rate, overcomes the spring
force. The resultant movement
of the spool regulates the flow
by opening the radial valve
ports to the bypass port and
closing the regulated flow
ports.
The valve will pass flow in
the return direction but this
is restricted by the flow path
through the control orifice.
Features
Cartridge construction gives
versatility of application. A
valve may be fitted into a
line body, a custom designed
Hydraulic Integrated Circuit or
directly into a cylinder or other
actuator. Leakproof adjust
screw gives easy, accurate
adjustment to required flow
setting. Hardened and ground
working parts give accurate
flow control and long working
life.
4000
20
16
12
8
4
5000
350
4000
280
3000
210
2000
140
1000
70
0 5000300020001000
0 70 140 210 280 350
0
Bypass pressure
higher than priority
Priority pressure
higher than bypass
Pressure - bar
Pressure - psi
6.0
5.0
4.0
3.0
2.0
1.0
0
24
Flow - L/min
(21,8 cSt oil @ 49°C)
Flow - USgpm
(105 SUS oil @ 120°F)
Sectional View
Description
These valves are priority flow
regulators. The flow (and
actuator speed) will be largely
independent of the load and
the pressure conditions.
If used to regulate flow from
a fixed supply, for example
a standard gear or piston
pump, the valve will pass the
required flow and any surplus
flow will be diverted to the
bypass port. The bypass flow
may be used for a secondary
circuit whether the secondary
pressure requirement is higher
or lower than the regulated
pressure.
The valve inlet pressure will
be approximately 7 bar (100
psi) more than the regulated
or bypass pressure, whichever
is higher.
Ratings and Specifications
Performance data is typical with fluid at 21,8 cSt (105 SUS) and 49°C (120°F)
Typical application pressure (all ports) 350 bar (5000 psi)
Cartridge fatigue pressure (infinite life) 280 bar (4000 psi)
Rated flow Maximum inlet flow 60 L/min (15 USgpm)
Maximum regulated flow 23 L/min (6 USgpm)
Temperature range -40° to 120°C (-40° to 248°F)
Internal leakage 82 cm
3
/min @ 350 bar (3000 psi) 5 in
3
/min @ 5000 psi)
Flow regulation accuracy 0,4–1,9 L/min (0.1–0.49 USgpm) ±20% @ 210 bar (3000 psi)
0,4–1,9 L/min (0.1–0.49 USgpm) ±40% @ 350 bar (5000 psi)
1,9–5,7 L/min (0.5–1.49 USgpm) ±15% @ 350 bar (5000 psi)
5,7–22,7 L/min (1.5–6 USgpm) ±10% @ 350 bar (5000 psi)
Factory set maximum flow rate accuracy under
standard test conditions and within the above ranges
Cavity C–10–3
Fluids All general purpose hydraulic fluids such as
MIL-H-5606, SAE 10, SAE 20 etc.
Filtration
Cleanliness code 18/16/13
Standard housing material Aluminum or steel
Weight cartridge only 0,13 kg (0.28 lbs)
Seal kit 565804 (Buna-N)
889599 (Viton
®
)
Viton is a registered trademark of E.I. DuPont
Performance Data
1
3
2
3
2
1
EATON Screw-In Cartridge Valves E-VLSC-MC001-E December 2009 H-211.A
An Eaton Brand
H
Where measurements are critical request certified drawings. We reserve the right to change specifications without notice.
PFR5-10 - Flow Regulator
Fixed, priority type, pressure compensated
Up to 23 L/min (6 USgpm) • 280 bar (4000 psi)
1
Function
PFR5 - Priority ow regulator
2
Size
10 - 10 size
3
Seals
Blank - Buna-N
V - Viton
®
4
Adjustment
F - Fixed orice
5
Valve Housing Material
Omit for cartridge only
S - Steel
A - Aluminum
Dimensions
mm (inch)
Model Code
2 31
PFR5 10 (V)
5
*
6
**
4
F
7
*.*
8
00
Code Port Size Housing Number
Aluminium Aluminum Steel
Light Duty Fatigue Rated
0 Cartridge only
2G 1/4" BSPP – 876705 02-175127
3B 3/8" BSPP 02–173358 – –
3G 3/8" BSPP – 876714 02-175128
6T SAE 6 566162 – 02-175124
6H SAE 6 – 876704 –
8H SAE 8 – 876711 –
8T SAE 8 – 02-175125 –
See section J for housing details.
6
Port Size
7
Factory Set Flow Rate
(Specify in USgpm)
Range 0,38-22,7 L/min
(0.1-6.0 USgpm)
8
Special Features
00 – None
(Only required if valve has
special features, omitted if “00”)
Cartridge
Basic Code
PFR5-10
Note: For applications above
210 bar (3000 psi) please con-
sult our technical department
or use the steel body option.
Torque cartridge in housing
A - 47-54 Nm (35-40 ft lbs)
B - 68-75 Nm (50-55 ft lbs)
Installation Drawing (Steel)
– – – – ––
20,8
(0.82)
46,0
(1.81)
25,4 (1.0) hex
Ø15,82 (0.623)
Ø17,42 (0.686)
3
2
1
0.875-14 Thd
.
76.2
(3.00)
63.5
(2.50)
57.02
(2.245)
2X Ø7.14
(0.28)
9.7
(0.38)
21.6
(0.85)
76.2
(3.00)
1
3
2
22.4
(0.88)
19.1
(0.75)
35.1
(1.38)
22.4
(0.88)
