| Specifications | G-H-...WEH25../6B2... type | G-..WEH25../6B2.. type |
| Working pressureP,A,B bar | 350 | 280 |
| Port T | With external pilot oil drain bar | 250 | 250 |
| With internal pilot oil drain bar | 210 |
| Hydraulic-centering 3-position valve With internal pilot oil drain is impossible |
| Port Y | With external pilot oil drain bar | 210 |
| Min. control pressure | With external pilot oil supply bar With internal pilot oil supply bar | Spring-centering 3-position valve 13 |
| Hydraulic-centering 3-position valve 18 |
| Spring-return 2-position valve 13 |
| Hydraulic-return 2-position valve 18 |
With internal pilot oil supply
| When applying back pressure valve or the flow is large, enginery of spool valve is 4.5 bar as C、Z、F、G、H、P、T and V |
| Max. control pressure bar | 250 |
| Fluid | Mineral oil,Phosphate ester |
| Fluid temperature range ℃ | -30 to +80 ( NBR seals |
| -20 to +80 ( FKM seals ) |
Viscosity range mm2
/s 2 | 2.8 to 500 |
| Switching pilot oil volume |
| -Spring-centering 3-position valve cm3 | 14.2 |
| -2-position valve cm3 | 28.4 |
| Hydraulic-centering 3-position valve |
| - From"0"position to working position"a" cm3 | 7.15 |
| - From working position"a" to "0"position cm3 | 7.0 |
| - From"a"position to working position"b" cm3 | 14.15 |
| - From working position"b" to "0"position cm3 | 5.73 |
| * Switching times (= Valve switching time from the neutral position to the switched position)(AC and DC) |
| Control pressure bar | 50 | 140 | 210 | 250 |
| - Spring-centering 3-position valve ms | 85 | 75 | 70 | 65 |
| - 2-position valve ms | 160 | 130 | 120 | 105 |
| - Spring-centering 3-position valve ms | a | b | a | b | a | b | a | b |
| 55 | 65 | 55 | 65 | 50 | 60 | 50 | 60 |
| **Switching times (= Valve switching time from the neutral position to the switched position) |
| - Spring-centering 3-position valve ms | 40 |
| - 2-position valve ms | 125 | 100 | 90 | 80 |
| - Hydraulic-centering 3-position valve ms | a | b | a | b | a | b | a | b |
| 30 | 35 | 30 | 35 | 30 | 35 | 30 | 35 |
| Installation position | C,D,K,Z,Y Type hydraulic-return valves are installed horizontally, the rest can be installed arbitrarily。 |
| Flow of shorter switching time L/min | about 35 |
| Weight of the valve kg | about 19 |
