Cooperation with Rexroth twice from 1979, Huade Hydraulic has become a leading manufacturer in China's hydraulic industry. Huade® directional spool valve type 4WE 10 D is a substitute for Rexroth products. The solenoid directional valve series has passed CE and UL certifications. These valves are competitive with well-know products with good quality and lower price. The factory has passed ISO9001, ISO14001 and OH SAS18001. Huade® is an outstanding brand in Chinese hydraulic industry. Huade® hydraulic directional valves are involved in many national technical and defense equipment transformation projects to promote the modernization of defense equipment.
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Operating pressure max. |
Ports A.B.P (MPa) |
to 31.5 |
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Ports T (MPa) |
16 |
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Flow max (L/min) |
120 |
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Cross section (switching position 0): |
With symbol Q approx.6 % of the nominal area |
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Pressure fluid |
Mineral oils(for NBR seal) or phosphate ester(for FPM seal) |
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Pressure fluid temperature range （℃） |
-30～+80 |
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Viscosity range (mm2/s) |
2.8~500 |
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Weight (kg) |
Valve with 1 solenoid |
5.1(DC),4.3(AC) |
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Valve with 2 solenoids |
6.7(DC),5.1(AC) |
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Features:
▶ Direct solenoid operated directional spool valve as standard version
▶ Wet pin DC or AC solenoids with removable coils
▶ Perfect outline
▶ Coils may be replaced without opening the pressure-tight chamber
▶ Choice of either central or individual electrical connections
▶ Optional hand over-ride
▶ Long life
▶ Porting pattern to Din 24 340 form A, ISO 4401 and CETOP - RP 121H
Directional valves 4WE 10 basically comprise the housing (1), one or two solenoids(2), control spool (3), and one or two return springs (4). At rest, control spool (3) is held in its central or initial position by means of return springs (4)(except in the case of impulse spools). Control spool (3) is operated by wet pin solenoids (2). The force of solenoid (2) acts on control spool (3) and moves it from its rest position to the desired end position. This permits free flow from P to A and B to T or P to B and A to T.
On de-energizing solenoid (2) control spool (3) is returned to its initial position by return spring (4).
Optional hand over-ride (5) pemits control spool (3) to be moved without the solenoids being energized.
Structure diagram of WE 10 30B series
1. The fluid must be filtered. Minimum filter fineness is 20 ㎛.
2. The tank must be sealing up and an air filter must be installed on air entrance.
3. Products without subplate when leaving factory.
4. Valve fixing screws must be selected and used according to the sample book.
5. Roughness of surface linked with the valve is required to 0.8.
6. Surface finish of mating piece is required to 0.01/100mm.
Address
No. 27, Yangsha Road, Huilong Town, Nantong City, Jiangsu Province, China
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