LS tractor 30139708, Operator'S Manual

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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