Description
| Working conditions | |||
| Nominal flow rating | 30 l/min (50l/min) | 7.9 US gpm (13.2 Us gpm) | |
| Operating pressure (max.) |
parallel or tandem series circuit | 315 bar | 46000 psi |
| Back pressure | |||
| (max.) | outlet port T, static | 210 bar | 3045 psi |
| outlet port T, dynamic | 180 bar | 2610 psi | |
| outlet port T, with lever type | 100 bar | 1450 psi | |
| emergency | |||
| Internal leakage | Δp = 100 bar (1450 psi) fluid and valve | 30 cm3/min | 0.85 in3/min |
| (min.) A(B) to T | at 40 oC (104 oF) | ||
| Hydraulic fluid | Mineral based oil | ||
| Fluid temperature | with NBR seals | from -20 oC to 100 oC | from -4 oF to 212 oF |
| with FPM (Viton) seals | |||
| operating range | from 15 to 75 mm2/s | from 15 to 75 cSt | |
| Viscosity | min. | 12 mm2/s | 12 cSt |
| max. | 400 mm2/s | 400 cSt | |
| Permisable degree of fluid contamination | 20/18/15 – ISO 4406 |
NAS 1683 – class 9 | |
| with mechanical devices | from -40 oC to 60 OC |
from -40 oF to 140 oF | |
| with pneumatic and hydraulic devices Devices |
from -30 oC to 60 OC |
from -22 oF to 140 oF | |
| with electric devices | from -20 oC to 50 OC |
from -4 oF to 140 oF | |
| Tightening torque of tie rods (strength class DIN 8.8) | 13-20 Nm | 9.5-14.75 lb ft |
| Standard threads | |||||
| Refernce standard | |||||
| BSP | UN-UNF | Metric | NPTF | ||
| Thread according to |
ISO 228/1 | ISO 263 | ISO 262 | Ansi B1.20.3 | |
| BS 2779 | ANSI B1.1 unified | ||||
| Cavity dimension according to |
ISO | 1179 | 11926 | 9974-1 | |
| SAE | J1926 | J2244 | J476a | ||
| DIN 3852-2 (Shape X or Y) | 3852-1 (Shape X or Y) | ||||
| Port threadings and codes | |||||
| Ports | BSP “G38” | BSP “G12” | UN-UNF “S6” | UN-UNF “S8” | |
| Inlet P and outlet T | G3/8 | G1/2 | 9/16-18 (SAE6) | 3/4-16 (SAE8) | |
| Working ports A and B | G3/8 | G1/2 | 9/16-18 (SAE6) | 3/4-16 (SAE8) | |
| M port | G1/4 | G1/4 | 9/16-18 (SAE6) | 9/16-18 (SAE6) | |
| LS port | G1/4 | G1/4 | 9/16-18 (SAE6) | 9/16-18 (SAE6) |