| 01 |
Up to 280 bar |
no code |
| Up to 350 bar |
H- |
| Main ports |
| 02 |
3-way version |
3 |
| 4-way version |
4 |
| Type of actuation |
| 03 |
Hydraulic |
WH |
| Electro-hydraulic |
WEH |
| Size |
| 04 |
NG10 |
10 |
| NG16 |
16 |
| NG25 (version "W.H 22") |
22 |
| NG25 (version "W.H 25") |
25 |
| Size 32 |
32 |
| Spool return in the main valve |
| 05 |
By means of springs |
no code |
|
Hydraulic
1)
|
H |
| 06 |
Symbols; for the possible version, see "Symbols/Circuit diagrams" |
|
| Component series |
| 07 |
Component series 40 … 49 (40 … 49: unchanged installation and connection dimension) – NG10 |
4X |
| Component series 60 … 69 (60 … 69: unchanged installation and connection dimension) – NG25 ("W.H 25") and NG32 |
6X |
| Component series 70 … 79 (70 … 79: unchanged installation and connection dimension) – NG16 (from series 72) andNG25 ("W.H 22") |
7X |
| Control spool return in the pilot control valve with 2 spool positions and 2 solenoids (only possible with symbols A, B, C, D, K, Z and hydraulic control spool return in the main valve) |
| 08 |
With spring return |
no code |
| Without spring return |
O |
|
Without spring return with detent
2)
|
OF |
|
Pilot control valve
2)
|
| 09 |
High-power valve (data sheet 23178) |
6E |
|
Electrical voltages
2)
|
| 10 |
Direct voltage 24 V |
G24 |
| Alternating voltage 230 V, 50/60 Hz |
W230 |
| Manual override |
| 11 |
Without manual override |
no code |
| With manual override |
N |
| With concealed manual override |
N9 |
| Corrosion resistance (outside) |
| 12 |
None (valve housing primed) |
no code |
| Improved corrosion protection (240 h salt spray test according to EN ISO 9227) |
J3 |
|
Pilot oil flow
3)
|
| 13 |
External pilot oil supply, external pilot oil return
4)
|
no code |
|
Internal pilot oil supply, external pilot oil return
4; 5)
|
E |
|
Pilot oil supply internal, pilot oil return internal
5)
|
ET |
|
External pilot oil supply, internal pilot oil return
4)
|
T |
| Switching time adjustment |
| 14 |
Without switching time adjustment |
no code |
| Switching time adjustment as supply control |
S |
| Switching time adjustment as discharge control |
S2 |
|
Electrical connection
2)
|
| 15 |
Individual connection |
| Without mating connector, connector according to DIN EN 175301-803 |
K4 6) |
| Spool position monitoring |
| 16 |
Without position switch |
no code |
| Monitored spool position "a" |
QMAG24 |
| Monitored spool position "b" |
QMBG24 |
| Monitored spool position "a" and "b" |
QMABG24 |
| Monitored rest position |
QM0G24 |
| Stroke setting |
| 17 |
Stroke setting on valve side A and B |
10 |
| Stroke setting on valve side A |
11 |
| Stroke setting on valve side B |
12 |
|
Throttle insert
2)
|
| 18 |
Without throttle insert |
no code |
| Throttle Ø 0.8 mm |
B08 |
| Throttle Ø 1.0 mm |
B10 |
| Throttle Ø 1.2 mm |
B12 |
| Throttle Ø 1.5 mm |
B15 |
| Throttle Ø 2.0 mm |
B20 |
| Throttle Ø 2.5 mm |
B25 |
|
preload valve (not for NG10)
2)
|
| 19 |
Without pre-decompression |
no code |
| With preload valve |
P4,5 |
| 20 |
Without pressure reducing valve |
no code |
| With pressure reducing valve |
D3 7) |
| Seal material (observe compatibility of seals with hydraulic fluid used, see "Technical data") |
| 21 |
NBR seals |
no code |
| FKM seals |
V |
| 22 |
Further details in the plain text |
* |
