EATON Screw-In Cartridge Valves E-VLSC-MC001-E December 2009 E-640.A
An Eaton Brand
E
Where measurements are critical request certified drawings. We reserve the right to change specifications without notice.
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) 350 bar (5000 psi)
Rated flow 151 L/min (40 USgpm)
Cavity C-16–3
Standard housing materials Aluminum or steel
Temperature range -40° to 120°C (-40° to 248°F)
Fluids All general purpose hydraulic fluids such as:
MIL–H–5606, SAE 10, SAE 20, etc.
Filtration Cleanliness Code 18/16/13
Weight cartridge only 0,40 kg. (0.89 lbs.)
Seal kits 565811 Buna–N
889610 Viton
®
Viton is a registered trademark of E.I. DuPont
PRV2-16 - Pressure Reducing/Relieving Valve
Spool, pilot operated
151 L/min (40 USgpm) • 350 bar (5000 psi)
Operation
This valve is normally open
allowing inlet oil to pass to the
regulated line until the outlet
(regulated) pressure exceeds
the setting of the pilot section.
When this setting is achieved
a pilot flow occurs, causing a
pressure imbalance across the
main spool, which then moves
throttling the inlet flow
and preventing any further
pressure rise in the regulated
line. If any external force
causes the regulated pressure
to rise more than 5-10% above
the setting, the main spool
moves back further, opening
the regulated port to the tank
line, thus working as a relief
valve.
Features
Cartridge construction with
hardened, ground and honed
working parts giving smooth,
stable operation over all
pressure ranges.
Performance DataSectional View
Description
This is a pilot operated
screw in cartridge pressure
reducing / relieving valve. The
valve maintains a constant
outlet pressure in hydraulic
sub-systems regardless of
fluctuations in the primary
system. In addition to this it
will act as a relief valve if the
pressure in the sub-system
rises higher than the setting of
the valve directing excess fluid
to tank.
Pressure Drop Curve
Cartridge only
40 30 20 10 0
0150 100 50
0
50
100
200
0
1000
2000
3000
Port 1 to 3 Port 2 to 1
Pressure, port 1 - bar
Pressure, port 1 - psi
250
350
4000
5000
10 20 30 40
50 100 150
Flow - L/min (21,8 cSt oil @ 49ºC)
Flow - USgpm (105 SUS oil @ 120ºF)
150
300
2
3
1
2
1
3
EATON Screw-In Cartridge Valves E-VLSC-MC001-E December 2009 E-641.A
An Eaton Brand
E
Where measurements are critical request certified drawings. We reserve the right to change specifications without notice.
57,1
(2.25)
Ø 26,95 (1.061)
1
2
3
1.312”-12 Thd.
38.1
(1.50)
hex
71,5
(2.81)
60,3
(2.37)
Ø 28,55 (1.124)
"K " Adjustm en
t
"C" Adjustm ent
"S " Adjustm ent
4,7 (0.18) hex
57,1
(2.25)
PRV2-16 - Pressure Reducing/Relieving Valve
Spool, pilot operated
151 L/min (40 USgpm) • 350 bar (5000 psi)
1 Function
PRV22 Size
163 Seal material
BlankV4 AdjustmentC K
S
5 Valve housing
material
SA
6 Port Size
0 - Cartridge only
Model Code
PRV2 16 (V)
*
(S)
*** **
/
**
00
1 2 3 4 5 6 7 8 9
Code Port Size Housing Number
Aluminum Aluminum Steel
Light duty Fatigue rated Fatigue rated
6B 3/4" BSPP 02–175465 – –
4G 1/2" BSPP – 876720 02–175131
6G 3/4" BSPP – 876722 02–175132
10H SAE 10 – 876721 –
12H SAE 12 – 876723 –
10T SAE 10 – – 02–175129
12T SAE 12 566152 – 02–175130
See section J for housing.
7 Cracking pressure
range
Note: Code based on pressure
in psi.
30 - 34-210 bar
(500-3000 psi)
60 - 70-415 bar
(1000-6000 psi)
8 Factory set reduced
pressure
Within ranges in
7
Blank - Normal factory
setting at approximate
mid-range. User requested
settings in 3,45 bar (50 psi)
steps, Coded as in the
following examples:
10 - 70 bar (1000 psi)
10.5 - 72,4 bar (1050 psi)
9 Special features
00 - None
(Only required if valve has special
features, omitted if "00.")
•
WARNING
Aluminum housings
can be used for
pressures up to 210 bar (3000
psi). Steel housings must be
used for operating pressures
above 210 bar (3000 psi).
Dimensions
mm (inch)
Torque cartridge in housing
A - 108-122 Nm (80-90 ft. lbs)
S - 136-149 Nm (100-110 ft. bs)
Installation Drawing (Steel)Cartridge Only
– – – – – –
101.6
(4.00)
76.20
(3.00)
108.0
(4.25)
12.7
(4.25)
88.9
(3.50)
3
2
10.31
(0.41)
25.4
(1.00)
25.4
(1.0)
69.3
(2.73)
54.0
(2.13)
1
25.4
(1.0)
