LNRV-08
A cartridge-style direct-acting
poppet-type relief valve
SYMBOL
PRESSURE DROP VS.FLOW
DESCRIPTION
The valve prevents flow from ① to ② until the set Cracking Pressure at ① is achieved.
The poppet then unseats allowing flow from ① to ② protecting the circuit from over
pressurization.
OPERATION
Operating Pressure
350bar
Flow
See PRESSURE DROP VS. FLOW graph.
Internal Leakage
5 drops/min max. to 80% of nominal setting
Reseat Pressure
80% of cracking pressure (cracking pressure at 0.95 lpm /0.25 gpm)
Standard Spring Ranges
20 to 125 bar; preset: 69 bar
40 to 180 bar; preset:138 bar
50 to 240 bar; preset:172 bar
180 to 350 bar; preset:207 bar
Temperature
-40
°
F to +250
°
F(-40
°
C to +120
°
C)
Filtration
See page N-1
Fluids
Mineral-based fluids with viscosities of 7.4 to 420 cSt.
Cavity
08-2, See page M-1
Housing Material
Steel & Ductile iron rated to 350bar
SPECIFICATIONS
32cSt oil @ 40°C
Direct-acting Relief Valve
E-13
Keta Hydraulics-2023
E
Optional Pressure Setting
Omit=
Standard Setting
Example:0200
=200bar
TO ORDER
INSTALLATION DIMENSIONS
Unit=Millimeters
1 5 63 42
(19)HEX
(5)HEX
ALLEN HEAD
TORQUE
39-51Nm
(24)HEX
61
34
46
Ø30
Ø7
Ø11
During installation, pilot drill Ø11mm is required with min. depth of 34mm
Spring Ranges
18
=290-1800psi(20-125bar)
Preset:1000psi(69bar)
26
=580-2600psi(40-180bar)
Preset:2000psi(138bar)
35
=725-3500psi(50-240bar)
Preset:2500psi(172bar)
50
=2600-5000psi(180-350bar)
Preset:3000psi(207bar)
3
Port Size
Omit=
None
4T
=SAE4
6T
=SAE6
2G
=G 1/4
3G
=G 3/8
6
LNRV –08 – * * – * / **** – * *
Size
08
=08 Size
2
5
Adjustment
K
=30mm Dia Knob
Omit=
5mm Hex Allen Head
4
Function
LNRV
=Direct-acting Relief Valve
1
※
See page K-1 for detail of
housing
※
Other port sizes are available
E-14
Keta Hydraulics-2023
