• Electrohydraulic directioanl valve directioanls the oil path by controlling the main spool • WEH electrohydraulic control • Installation face follow DIN 24340 A, ISO 4401 and CETOP-RP 121H Sub-plate mounting connection • Wet DC or AC solenoid (optional) • With manual emergency control • Electropneumatic connection as single or center connection • Spring or hydraulic alignment or bias
Technical Specs
NG10
Specifications
WEH10 type
Max. operating pressure:P、A、B
350
Port T
With external pilot oil drain bar
315
With internal pilot oil drain bar
DC 210 AC 160
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
3-position valve 10
Spring-return 2-position valve 10
Hydraulic-return 2-position valve 7
With internal pilot oil supply ( apply to C、Z、F、 G、H、P、T、V) bar
6.5
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
2.8 to 500
Switching pilot oil volume cm3
3-position valve 2.04
2-position valve 4.08
Switching times (= Valve switching time from the neutral position to the switched position)(AC and DC )
Control pressure bar
70
140
210
250
AC
DC
AC
DC
AC
DC
AC
DC
3-position valve ms
30
65
25
60
20
55
15
50
2-position valve ms
35
80
30
75
25
70
20
65
Switching times (= Valve switching time from the switched position to the neutral position)
3-position valve ms
30
2-position valve ms
35
40
30
35
25
30
20
25
Installation position
HC、HD、HK、HZ、HY Type hydraulic-return valves are installed horizontally, the rest can be installed arbitrarily
Flow of shortest switching time L/min
about 35
Weight
Single solenoid valve kg
6.7
Double solenoid valve kg
7.1
Switching time regulator kg
1.0
Reducing valve kg
0.5
NG16
Specifications
WEH16... type
Max. operating pressure:P、A、B
350
Port T
With external pilot oil drain bar
250
With internal pilot oil drain bar
DC 210 AC 160
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
3-position valve 14
Spring-return 2-position valve 14
Hydraulic-return 2-position valve 14
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 )
Viscosity range mm2/s
2.8 to 500
Switching pilot oil volume
- Spring-centering 3-position valve cm3
5.72
- 2-position valve cm3
11.45
* * Switching times (= Valve switching time from the neutral position to the switched position)(AC and DC)
Control pressure bar
50
150
250
AC
DC
AC
DC
AC
DC
AC
DC
AC
DC
AC
DC
- Spring-centering 3-position valve ms
35
65
30
60
30
58
- 2-position valve ms
45
65
35
55
30
50
**Switching times (= Valve switching time from the neutral position to the switched position)
- Spring-centering 3-position valve ms
30
- 2-position valve ms
45
45
35
35
30
30
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 9.5
NG25
Specifications
WEH25... type
Max. operating pressure:P、A、B
350
Port T
With external pilot oil drain bar
250
With internal pilot oil drain bar
DC 210 AC 160
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
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
* 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
*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
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
NG32
Specifications
WEH32... type
Max. operating pressure:P、A、B
350
Port T
With external pilot oil drain bar
250
With internal pilot oil drain bar
DC 210 AC 160
Port Y
With external pilot oil drain bar
DC 210 AC 160
Min. control pressure
With external pilot oil supply
With internal pilot oil supply
3-position valve 8.5
Spring-return 2-position valve 10
Hydraulic-return 2-position valve 15
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 )
Viscosity range mm2/s
2.8 to 500
Switching pilot oil volume
- Spring-centering 3-position valve cm3
29.4
- 2-position valve cm3
58.8
* Switching times (= Valve switching time from the neutral position to the switched position)(AC and DC)
Control pressure bar
50
150
250
AC
DC
AC
DC
AC
DC
- Spring-centering 3-position valve ms
65
80
50
90
35
105
- 2-position valve ms
100
130
75
100
60
115
*Switching times (= Valve switching time from the neutral position to the switched position)
- Spring-centering 3-position valve ms
( DC :50,AC :60)
- 2-position valve ms
115
90
35
70
65
65
Installation position
C、D、K、Z、YType hydraulic-return valves are installed horizontally, the rest can be installed arbitrarily