TECHNICAL INFORMATION
WORKING CONDITIONS
This catalogue shows technical specifications and diagrams measured through mineral oil of 46 mm2/s – 46cSt viscosity at 40°C - 104°F temperature.
|
Nominal flow rating |
|
160 l/min. |
|
|
Max. flow |
|
200 l |
|
|
Operating pressure (max.) |
|
250 bar |
3620 psi |
|
Max. back pressure |
on outlet port T |
25 bar |
360 psi |
|
Internal leakage A(B)®T |
Dp=100 bar – 1450psi fluid and valve at 40°C |
4cm3/min. |
0.24 in3/min. |
|
Hydraulic fluid |
|
Mineral base oil |
|
|
Fluid temperature |
with NBR seals |
from - 20° to 80°C |
|
|
with FPM (VITON) seals |
from - 20° to 100°C |
|
|
|
Viscosity |
operating range |
from 15 to 75 mm2/s |
from 15 to 75 cSt |
|
Min. |
12 mm2/s |
12 cSt |
|
|
Max. |
400 mm2/s |
400 cSt |
|
|
Max. level of contamination |
|
19/16 – ISO 4406 |
|
PORTS THREAD
|
MAIN PORTS |
BSP (ISO 228/1) |
OPTIONAL |
UN-UNF (ISO 11926-1) |
|
Inlet P and carry-over C |
G 3/4 |
G 1 |
1 5/16 - 12 UN - 2B (SAE 16) |
|
A and B ports |
G 3/4 |
G 1 |
1 1/16 - 12 UN - 2B (SAE 12) |
|
Outlet T |
G 1 |
- |
1 5/16 - 12 UN - 2B (SAE 16) |
|
CONTROL PILOT PORTS |
|||
|
Pneumatics |
G 1/8 |
- |
- |
|
Hydraulics |
G 1/4 |
- |
- |
DIMENSIONAL DATA
APPLICATION AREAS
This 90L GM directional control valve group is commonly used for wood splitters, tractors, farm equipments, small fishing vessels, earth moving machines, lifting equipments, aerial platforms, boom cranes.