4WEH series solenoid pilot operated directional valves are solenoid pilot operated spool type valves. This series are used to control the start, stop and direction of flow. 4WH series hydraulic operated directional valves can be used to change the direction of hydraulic oil by moving the main spool when the valve receives a hydraulic signal from the pilot hydraulic oil.
Ordering Code:
Technical Specification:| T port (MPa) | Oil outer discharge control | 31.5 |
| Oil inner discharge control | DC: 21, AC: 16 |
| Y port (MPa) | Oil inner discharge control | DC:21 , AC: 16 |
| Min. Control Pressure (MPa) | Oil outer supply control, Oil inner supply control (not for C, Z, F, G, H, P, T, V) | 3 position valve:1 |
| Spring reset 2 position valve: 1 |
| Hydraulic reset 2 position valve:0.7 |
| Oil inner supply control (for C, Z, F, G, H, P, T, V) | 0.45 |
| Max. control pressure (MPa) | 25 |
| Liquid Medium | Mineral oil, phosphonolipid oil |
| Oil Tep. range | -30ºC to +80 ºC (nitrile ruber seal) -20ºCto+80ºC (rubber seal) |
| Viscosity range (mm2/s) | 2.8 to 500 |
| Flow control during swiching (cm3) | 3 position: 2.04, 2 position: 4.08 |
| Switching time of 0 position to switching position |
| Control pressure(MPa) | 7v | 14v | 21v | 25v |
| AC | DC | AC | DC | AC | DC | AC | DC |
| 3 Position (ms) | 30 | 65 | 25 | 60 | 20 | 55 | 15 | 50 |
| 2 position (ms) | 35 | 80 | 30 | 75 | 25 | 70 | 20 | 65 |
| Switching time of switching position to 0 position |
| 3 position valve(ms) | 30 |
| 2 position vave (ms) | 35 | 40 | 30 | 75 | 25 | 70 | 20 | 25 |
| Min. switching time flow (l/m) | about 35 |
| Mounting position | horizontal position for HC, HD, HK,HZ Hy, any position for other else. |
| Weight (kg) | single solenoid valve | 6.4 |
| double solenoid valve | 6.8 |
| switching time adjuster | 0.8 |
| relief valve | 0.5 |
General Specification:
| Votage type | DC | AC |
| Votage | 12, 24, 48, 96, 110,220 | 110, 220 |
| Rated power (W) | 30 |
|
| Absorbed Power (W) |
| 36 |
| Starting voltage |
| 220 |
| Operating state | continuous operation |
| Surrounding Temp range (ºC) | +50 |
| Coil Temp. range(ºC) | + 150 |
| IP grade | IP65 |
Mounting Size:
Ningbo Histar Hydraulic Co., Ltd. is a professional hydraulic valves manufacturer and exporter. Our factory was established in 2005, with years of development, now it covers an area of 10000 square meters, with 250 skilled workers. The annual production capacity reaches 0.5 million pieces. It is located in Ningbo, the second biggest seaport in China, the transportation is very convenient.
The products include directional valves, proportional valves, pressure valves, modular valves, safety valves, which are widely used in the fields of metallurgy, petrol mine, engineering, architecture, mold, chemical, mechanical tool, traffic and so on. The products have been exported to Europe, Middle East, East Asia, South East Asia, Australia, and gained good reputation due to reliable quality and competitive prices.
We persist in "customer satisfaction" as our core value. With many dedicated technicians and advanced equipments, we can provide customers with high quality products and meet their different requirements. Our products are CE approved, and we have passed ISO9001: 2000 quality system.
Cooperate with us, you will find that we are your right choice!
