| Working conditions |
|
|
|
|
|
|
|
| Nominal flow rating |
|
80 l/min |
21.1 US gpm |
|
parallel and tandem |
315 bar |
46000 psi |
| Operating pressure (max.) |
|
|
|
| Back pressure (max.) |
outlet port T, static |
35 bar |
508 psi |
| Internal leakage (min.) A(B) to T |
Δp = 100 bar (1450 psi) fluid and valve at 40 o C (104 o F) |
8 cm3 /min |
0.48 in3 /min |
| Hydraulic fluid |
|
Mineral based oil |
|
| Fluid temperature |
with NBR seals |
from -20 o C to 80 o C |
from -4 o F to 176 o F |
| with FPM (Viton) seals |
from -20 o C to 100 o C |
from -4 o F to 212 o F |
| 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 |
| Permisable degree of fluid contamination |
|
-/19/16 — ISO 4406 |
NAS 1683 — class 10 |
| Ambient temperature |
with mechanical devices |
from -40 o C to 60 o C |
from -40 o F to 140 o F |
| with pneumatic and hydraulic devices devices |
from -30 o C to 60 o C |
from -22 o F to 140 o F |
| with electric devices |
from -20 o C to 50 o C |
from -4 o F to 140 o F |
