Transmission Valve Body 4W159/4W180

Design and manufacture hydraulic valves for your control application. Features

Transmission valve body is equipped with a solenoid valve, providing integrated electro-hydraulic control.
Control valve is compact designed and highly integrated for excellent efficiency and reliability.
Transmission valve offers 4x4 gear shift and boost pressure control, guaranteeing a smooth and stable gear shifting process.
High operation comfort.
Hydraulic valve is suitable for different applications and requires low maintenance costs.

Applications


Loader
Grader
Other engineering machinery

Parameters

Nominal flow (L/min)	120
Gear pressure (MPa)	2.2-2.5
Differential pressure of each gear (MPa)	≤0.1
Pressure swing (MPa)	≤±0.1
Gear pressure boost time (S)	0.8-1.8
Solenoid valve rated voltage (V)	DC24V
Rated current (A)	0.35 (measured at rated voltage, 25 °C temperature)
Consumed power (W)	8.5
Insulation grade	H
Hydraulic fluid	Mineral oil (HL, HLP) in accordance with DIN 51 524
Viscosity range (mm2/s)	10-380
Fluid temperature range (℃)	-20-120
Fluid cleanliness	Not lower than GB/T 14039-93 level 19/16 or NAS 1638 level 10
Weight (kg)	51.5