Saar HK Electronic Limited |
Verified Suppliers
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Type 4WEH Directional Spool Valves, Pilot Operated, With electro-hydraulic Actuation
Size 10, 16, 25 (WEH22), 25 (WEH25), 32
Component series 4X, 7X, 6X
Maximum operating pressure 280 bar
Maximum flow 1100 l/min
Features:
01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | ||
WEH | / | K4 | / | * |
01 | up to 280 bar | no code |
02 | 3-way version | 3 |
4-way version | 4 | |
Types of actuation | ||
03 | electro-hydraulic | WEH |
Size | ||
04 | NG10 | 10 |
NG16 | 16 | |
NG25 (version "WEH 22") | 22 | |
NG25 (version "WEH 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" | |
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 ("WEH 25") and NG32 | 6X | |
Component series 70 … 79 (70 … 79: unchanged installation and connection dimension) – NG16 (from series 72) andNG25 ("WEH 22") | 7X | |
Control spool return in the pilot control valve with 2 spool positions and 2 solenoids (only possible with symbols 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 | 6E |
10 | Direct voltage 24 V 2) | G24 |
Alternating voltage 230 V, 50/60 Hz 2) | W230 | |
For other voltages, frequencies and electric data, see data sheet of high-power valve | ||
11 | Without manual override | no code |
With manual override | N | |
With concealed manual override | N9 | |
Pilot oil flow | ||
12 | External pilot oil supply, external pilot oil return 3) | no code |
Internal pilot oil supply, external pilot oil return 3; 4) | E | |
Pilot oil supply internal, pilot oil return internal 4) | ET | |
External pilot oil supply, internal pilot oil return 3) | T | |
version “ET” and “T” with 3-spool position valve, pressure-centered, only possible if ppilot ≥ 2 x ptank + ppilot min!) | ||
Switching time adjustment | ||
13 | without switching time adjustment | no code |
Switching time adjustment as supply control | S | |
Switching time adjustment as discharge control | S2 | |
Corrosion resistance | ||
14 | None (valve housing primed) | no code |
Improved corrosion protection (240 h salt spray test according to EN ISO 9227) | J3 | |
Electrical connection 2) | ||
15 | Individual connection | |
Without mating connector; connector DIN EN 175301-803 | K4 6) | |
For further electrical connections, see data sheet 23178 and 08010 | ||
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 | For ordering code, see stroke setting | |
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 preload valve | no code |
with preload valve (pö = 4.5 bar) | P4,5 | |
20 | without pressure reducing valve | no code |
with pressure reducing valve | D3 5) | |
Seal material | ||
21 | NBR seals | no code |
FKM seals | V | |
Observe compatibility of seals with hydraulic fluid used. (Other seals upon request) | ||
22 | Further details in the plain text | * |
R900782554 | 4WEH16F7X/6EG205N9TK4 |
R901441685 | 4WEH16F7X/6EG24N9EDAL/B10 |
R901137614 | 4WEH16F7X/6EG24N9EK4 |
R987062876 | 4WEH16F7X/6EG24N9EK4 |
R900931118 | 4WEH16F7X/6EG24N9ES2K4 |
R901264366 | 4WEH16F7X/6EG24N9ESK4/B10P4,5 |
R900940455 | 4WEH16F7X/6EG24N9ESK4/P4,5 |
R900701934 | 4WEH16F7X/6EG24N9ETK4/B10 |
R900956795 | 4WEH16F7X/6EG24N9ETK4/B10P4,5 |
R900930303 | 4WEH16F7X/6EG24N9ETS2K4 |
R978003646 | 4WEH16F7X/6EG24N9ETS2K4/V |
R900738958 | 4WEH16F7X/6EG24N9ETSK4/B10 |
R900941811 | 4WEH16F7X/6EG24N9ETSK4/P4,5 |
R901036606 | 4WEH16F7X/6EG24N9K4 |
R901212342 | 4WEH16F7X/6EG24N9K4/P4,5 |
R901015836 | 4WEH16F7X/6EG24N9S2K4 |
R900971124 | 4WEH16F7X/6EG24N9SK4/P4,5 |
R900935318 | 4WEH16F7X/6EG24N9TK4 |
R900781578 | 4WEH16F7X/6EG24N9TS2K4 |
R901033222 | 4WEH16F7X/6EG24NK4 |
R900740220 | 4WEH16F7X/6EG96N9ETK4/B10P4,5 |
R901069074 | 4WEH16F7X/6EW100N9DJL |
R901550949 | 4WEH16F7X/6EW100N9TDJL |
R978011926 | 4WEH16F7X/6EW110N9DA |
R900931116 | 4WEH16F7X/6EW110N9DAL |
R978906037 | 4WEH16F7X/6EW110N9EDAL |
R901388756 | 4WEH16F7X/6EW110N9EDAL/B10 |
R901003528 | 4WEH16F7X/6EW110N9EK4/11B10 |
R978904247 | 4WEH16F7X/6EW110N9ETDA |
R978903504 | 4WEH16F7X/6EW110N9ETDA/P4,5 |
R978011825 | 4WEH16F7X/6EW110N9ETDAL |
R901264096 | 4WEH16F7X/6EW110N9ETDAL/B10 |
R901316429 | 4WEH16F7X/6EW110N9ETDAL/B10P4,5 |
R900773364 | 4WEH16F7X/6EW110N9ETK4/B08P4,5D3 |
R978911844 | 4WEH16F7X/6EW110N9ETK4/V |
R900979936 | 4WEH16F7X/6EW110N9ETSK4/B10P4,5 |
R900754617 | 4WEH16F7X/6EW110N9K4 |
R978013505 | 4WEH16F7X/6EW110N9K4/11 |
R900966552 | 4WEH16F7X/6EW110N9K4/11V |
R901017596 | 4WEH16F7X/6EW110N9K4/B08P4,5 |
R978912413 | 4WEH16F7X/6EW110N9K4/P4,5V |
R900755271 | 4WEH16F7X/6EW110N9SK4 |
R978917178 | 4WEH16F7X/6EW110N9TK4 |
R901316439 | 4WEH16F7X/6EW110NETK4/B10P4,5 |
R900929248 | 4WEH16F7X/6EW110NK4/P4,5 |
R900759003 | 4WEH16F7X/6EW200N9DJL |
R901069068 | 4WEH16F7X/6EW200N9ETDJL/B10P4,5 |
R900740071 | 4WEH16F7X/6EW200N9K4 |
R901063591 | 4WEH16F7X/6EW230N9DJL |
R900742726 | 4WEH16F7X/6EW230N9EK4/B10P4,5 |
R900965531 | 4WEH16F7X/6EW230N9ETK4/B10 |
R900764227 | 4WEH16F7X/6EW230N9ETK4/B10P4,5 |
R900765151 | 4WEH16F7X/6EW230N9ETSK4/B10P4,5 |
R900957769 | 4WEH16F7X/6EW230N9K4 |
R901098794 | 4WEH16F7X/6EW230N9S2K4 |
R900923860 | 4WEH16F7X/U |
R900929364 | H-4WEH16F7X/6EG24N9K4 |
R900935217 | H-4WEH16F7X/6EG24N9TK4 |
R900933718 | H-4WEH16F7X/6EG24NESK4/B10 |
R900932990 | H-4WEH16F7X/6EW110N9TK4 |
R901292461 | H-4WEH16F7X/6EW200N9DJL |
R901290984 | H-4WEH16F7X/6EW200N9DL |
R900710327 | H-4WEH16F7X/6EW230N9K4 |
R900924037 | H-4WEH16F7X/U |