| Specifications | H-...WEH25... type | ...WEH25... type |
| Max. operating pressure：P、A、B | 350 | 280 |
| Port T | With external pilot oil drain bar | 250 |
|
| With internal pilot oil drain bar | DC 210 AC 160 |
| Hydraulic-centering 3-position valve With internal pilot oil drain is impossible |
| Port Y | With external pilot oil drain bar | DC 210 AC 160 |
| Min. control pressure | With external pilot oil supply ( not apply to C、Z、F、
G、H、P、T、V) bar | Spring-centering 3-position valve 13 |
| Hydraulic-centering 3-position valve 18 |
| Spring-return 2-position valve 13 |
| Hydraulic-return 2-position valve 8 |
With internal pilot oil supply ( apply to C、Z、F、
G、H、P、T、V) bar | When applying prepressing or the flow is large correspondingly ,enginery of spool valve is 4.5 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 ) |
| 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 "0"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 |
| AC | DC | AC | DC | AC | DC | AC | DC |
| - Spring-centering 3-position valve ms | 50 | 85 | 40 | 75 | 35 | 70 | 30 | 65 |
| - 2-position valve ms | 120 | 160 | 100 | 130 | 85 | 120 | 70 | 105 |
| - Hydraulic-centering 3-position valve ms | a | b | a | b | a | b | a | b | a | b | a | b | a | b | a | b |
| 30 | 35 | 55 | 65 | 30 | 35 | 55 | 65 | 25 | 30 | 50 | 60 | 25 | 30 | 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 | 120 | 125 | 95 | 100 | 85 | 90 | 75 | 80 |
| - Hydraulic-centering 3-position valve ms | a | b | a | b | a | b | a | b | a | b | a | b | a | b | a | b |
| 20 | 35 | 30 | 35 | 30 | 35 | 30 | 35 | 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 shortest switching time L/min | about 35 |
| Weight kg | about 18 |
