Directional Control Valves

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High Pressure & Flow Rate, Manual Operation 4WMM Hydraulic Directional Control Valve

Manual Directional Control Valve

PRODUCT TYPE: Solenoid Operated Directional Valve
APPLICATION Hydraulic Machines
CONNECTION TYPE: Subplate Connection
CONTROL METHOD: Hand Lever Operated
– For large flow rate hydraulic systems
– With spring or detent option
– Reliable manual level hydraulic control operation

Manual directional control valve is porting size of 16mm, max. flow rate up to 300L/min. , the order code is FT- 4WMM16 series. This valve is operated by a long steel level to control the spool movement position, there are many spool symbols for different working purpose, normal used spools are E, J, G, H types.

Finotek manufactures the valve in small inner leakage(Inner leakage: from high pressure chamber to low pressure chamber in valve housing oil flow leakage). Large leakage is not only lower the working efficiency, but also rise oil temperature to overheat and affects other actuator normal working. Finotek controls the inner leakage by advance parts’ manufacturing precisions and select high quality raw materials.

Valve Ordering Code

Example (Normal code): “FT-4WMM16E -50 / ”
Explanation As Below:

FT- 4 WMM 16 E 50
(1) (2) (3) (4)  (5) (6) (7) (8) (9)

(1) Producer code= FT
(2) Service ports= 4
  Service ports= 3
(3) Size= 16

(4) Spool symbol= E,F,G, please see the spool symbols below
(5) Valve series
(6) No code = With spring return, without detent
  F = With detent, without spring return

(7) No code = Without Throttle insert
  B08= ThrottleØ0.8mm[0.031inch]
  B10= ThrottleØ1.0mm[0.039inch]
  B12= ThrottleØ1.2mm[0.047inch]
(8) No code = NBR seals for petroleum oil
  V = FPM seals for phosphate ester
(9) No code = Black Galvanization
  B= Blue Powder Coating

Valve Technical Information

Main Raw Materials: Casting Iron
Power: By hydraulic
Brand: Finotek or OEM
Max. Operation Pressure(T): 25Mpa
Max. Operating Pressure(P,A,B): 31.5Mpa

Max. Flow Rate: 300L/min.
Media Temperature: -30 to +80(°C)for NBR O-rings
Oil Medium: Mineral oil as per DIN51 524, VDMA 24 568 or rapeseed oil, Viscosity 10 – 400 CST
Recommended Medium Filtration: ISO 4406 Standard, cleanliness class:20/18/15

Valve Spool Symbols


Valve Installation Dimensions



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