I. Model Breakdown

4WE: 4-way, wet-type electromagnet, electromagnet directional valve

10: Nominal diameter DN10 (NG10), installation surface conforms to ISO 4401

J: Valve core function J-type (4/3 neutral position)

Neutral position: P→T unload; A, B closed

31: Structural version 31 (3X series)

B: With manual push rod (manual emergency)

CG24: Coil DC24V, wet-type, with light

N9: Protection level IP65

Z5L: Wiring form, plug specification

II. Core Technical Parameters

Installation method: Plate installation (CETOP 5 / ISO 4401)

Working pressure: Maximum 31.5 MPa (315 bar)

Rated flow: ≈ 120 L/min

Valve core function: J-type (4/3)

Left position: P→A, B→T

Neutral position: P→T, A, B closed

Right position: P→B, A→T

Electromagnet: Wet-type DC24V, rotatable 90°, with indicator light

Sealing / Protection: IP65, suitable for industrial oil (HL, HM, etc.)

Temperature range: -20℃ to +80℃

III. Typical Applications

Machine tools, injection molding machines, die-casting machines

Hydraulic stations, automated production lines

Control oil cylinders / motors start-stop, direction change, pressure retention

IV. Yaskawa vs. Haldor

Rexroth (Germany): Original model 4WE10J31B/CG24N9Z5L, part number R900561320

Haldor (domestic): Fully interchangeable, same model, high cost-effectiveness

V. Common Complete Order Models

4WE10J31B/CG24N9Z5L (DC24V, with manual)

4WE10J31B/CW220-50N9Z5L (AC220V)

4WE10J31 (The complete model is usually: 4WE10J31B/CG24N9Z5L)

Brand: Bosch Rexroth (Yaskawa) / Beijing Haldor (domestic substitute)

Type: Direct-acting four-way electromagnet directional valve, 10-way diameter (NG10)