Manual Hydraulic Valve

PRODUCT TYPE: 4WMM6 Manual Hydraulic Valve
APPLICATION Hydraulic Machines
CONNECTION TYPE: Subplate Connection
CONTROL METHOD: Hand Lever Operated
– Quick response to manual operation
– Standard porting pattern for different brands
– With or without spring optional

4WMM6 Manual hydraulic valve is operated by manual level to change the vale spool working position, to stop flow or changing hydraulic direction. There are 4 way, 2 position and 4 way, 3 position as various valve working type. The quality judgment standards of manual hydraulic valve is directional reliability, pressure loss and inner leakage.  Finotek 4WMM6 manual valve is light and flexible to operate the handle with no jamming phenomenon. For spring reposition manual hydraulic valve, it can be auto re-position quickly as soon as the handle level is no force (Back or forward) on it.

In directional operation, the manual hydraulic valve may cause flow rises more shapely than its function curve due to working condition limited, there is a damper will be able to mount on the P porting, to eliminate this phenomenon. The damper can be purchased independently with the order.

4WMM6 Valve Ordering Code

Example (Normal code): “FT-4WMM6E -50 / ”
Explanation As Below:

(1)(2)(3)(4) (5)(6)(7)(8)(9)

(1) Producer code= FT
(2) Service ports= 4
  Service ports= 3
(3) Size= 6
(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

4WMM6 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: 60L/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

4WMM6 Valve Spool Symbols

4WMM6 Valve Installation Dimensions