EATON Vickers Screw-in Cartridge Valves V-VLOV-MC001-E1 June 2003
E-4
Flow - L/min (21,8 cSt oil @ 49°C)
Flow - USgpm (105 SUS oil @ 120°F)
C - 3 spring
B - 36 spring
A - 50 spring
Inlet Pressure - psi
Inlet Pressure - bar
C
B
A
0
1000
2000
3000
4000
5000
6000
1234
0
70
140
210
280
350
400
0481216
56
18 20
1
2
RV1-8
Poppet, direct acting
Sectional View
Pressure Override Curves
Cartridge only
Description
The RV1-8 is a direct act-
ing, poppet type screw-in
cartridge relief valve.
Operation
The RV1-8 remains closed
until the predetermined
setting is reached at port 1.
The poppet then lifts off
the seat and allows flow
from port 1 to port 2.
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 For 3 & 36 cracking pressure22,7 L/min (6 USgpm)
For 50 cracking pressure 15,1 L/min (4 USgpm)
Cracking pressure ranges 3 – 3,4–20 bar (50–300 psi) @ 22,7 L/min (6 USgpm)
36 – 20–250 bar (300–3600 psi) @ 22,7 L/min (6 USgpm)
50 – 100–350 bar (1500–5000 psi) @ 15,1 L/min (4 USgpm)
Reseat pressure More than 90% of cracking pressure
Internal leakage, port 1 to 2 5 drops / min. at 80% of cracking pressure
Temperature range -40° to 120°C (-40° to 248° F)
Cavity C–8–2
Fluids All general purpose hydraulic fluids such as:
MIL–H–5606, SAE 10, SAE 20, etc.
Filtration Cleanliness code 18/16/13
Standard housing materials Aluminum or steel
Weight cartridge only 0,20 kg (0.43 lbs)
Seal kits 02–165875 Buna–N
02–165877 Viton
®
Viton is a registered trademark of E.I.DuPont
21
Functional Symbol
EATON Vickers Screw-in Cartridge Valves V-VLOV-MC001-E1 June 2003
E-5
E
RV1 – 8 (V) –
*
–(
*
)–
**
–
**
/
**
–00
“C”Adjustment
Torque to 3-6 Nm
(4-8 ft. lbs)
2
1
76,7
(3.02)
71,5
(2.81)
Full
out
67,7
(2.67)
54,1
(2.13)
4,0 (0.15) hex
22,2 (0.87) hex
27,8
(1.09)
Ø 12,62 (0.497)
S Adj.
0.750"-16 Thd.
12,7 (0.50) hex
Torque to 3-6 Nm
(4-8 ft. lbs)
79,5
(3.12)
Full
out
K option knob
Ø 31,8 (1.25)
nominal
Model Code RV1-8
CODE PORT SIZE HOUSING NUMBER
Aluminum Steel
Fatigue rated Fatigue rated
4T SAE 4 02–160730 02–160736
6T SAE 6 02–160731 02–160737
8T SAE 8 02–160732 02–160738
2G 1/4” BSPP 02–160727 02–160733
3G 3/8” BSPP 02–160728 02–160734
See section J for housing details.
Aluminum
housings can
be used for
pressures up
to 210 bar (3000 psi).
Steel housings
must be
used for operating pres-
sures
above 210 bar
(3000 psi).
•
Dimensions
mm (inch)
Torque cartridge
in aluminum or
steel housing
34-41 Nm
(25-30 ft. lbs)
Function
RV1 - Relief valve
Size
8 - 8 Size
Seals
Blank - Buna–N
V - Viton
®
Adjustment
C - Cap
K - Knob
S - Screw
4
3
2
1
Valve housing material
Omit for cartridge only
S - Steel
A - Aluminum
Port size
0 - Cartridge only
6
5
Cracking pressure ranges
3 - 3,4-20 bar
(50-300 psi)
36 - 20-250 bar
(300-3600 psi)
50 -100-350 bar
(1500-5000 psi)
7
Pressure setting
Optional - Specify in 100
psi increments. If not
specified, set at:
3 - 10 bar (150 psi)
36 - 125 bar (1800 psi)
50 - 175 bar (2500 psi)
Special features
00 - None
(Only required if valve has
special features, omitted
if “00”)
9
8
1
2 4 53 6 7 8 9
