LS tractor LB1300 - Page 82

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SERVICE MANUAL(VALVE)
Working conditions
This catalogue shows technical specifications and diagrams measured with mineral oil of
46mm²/s-46cSt viscosity at 40°C temperature
Nominal flow rating
45 l/min
Operating pressure (max.)
Parallel or tandem circuit
315 bar
4600 psi
Series circuit
250 bar
3600 psi
Max. back pressure
On outlet port T
25 bar
360 psi
Internal leakage A(B)->T
Δp=100bar-1450psi with fluid and
valve at 40°C
3 ㎤/min
0.18in³/min
Hydraulic fluid
Mineral base oil
Fluid temperature
With NBR seals
from -20° to 80°C
With FPM seals
from -20° to 100°C
Viscosity
Operating range
from 15 to 75mm²/s
from 15 to 75cSt
Minimum
12mm²/s
12cSt
Maximum
400mm²/s
400cSt
Max. level of contamination
19/16 - ISO 4406
Ambient temperature
With mechanical, pneumatic and
hydraulic devices
from -40° to 60°C
With electric devices
from -20° to 60°C
Note - For different conditions please contact sales dept.
Standard threads
BSP
UN-UNF
METRIC
NPTF
Thread according to
ISO 228/1
ISO 263
ISO262
ANSI B1.20.3
BS 2279
ANSI B1.1 unified
Cavity according to
ISO
11926
9974-1
SAE
J1926
J2244
J476a
DIN
3852-2
Shape X o Y
3852-1
Shape X o Y
Ports thread
Main ports
BSP
UN-UNF
METRIC
Inlet P and carry-over C
G 3/8
3/4-16 (SAE 8)
M18X1.5
Ports A and B
G 3/8
9/16-18(SAE 6)
M18X1.5
Outlet T
G 3/8
G 1/2
3/4-16 (SAE8)
M18X1.5
M22X1.5
Control pilot ports
Pneumatics
NPTF 1/8-27
NPTF 1/8-27
NPTF 1/8-27
Hydraulics
G1/4
9/16-18(SAE 6)
G1/4