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Directional Control Valves

You are here: Home » Directional Control Valves » DIN 24340, ISO 4401 Port Pattern, Hydraulic Manual Spool Actuation Directional Valve

DIN 24340, ISO 4401 Port Pattern, Hydraulic Manual Spool Actuation Directional Valve

Manual Directional Valve WMM10

PRODUCT TYPE: Manual Directional Valve
VALVE SIZE: 10mm
CONTROL METHOD: Spool type
APPLICATION Hydraulic Machines
CONNECTION TYPE: Subplate Connection
CONTROL METHOD: Hand Lever Operated
PART NOS.: FT-WMM Series
APPROXIMATE WEIGHT:3.80Kgs/8.36Lbs
RELATED PARTS:
Subplate:  G66; G292; G534 NG10 Bottom Subplates
FEATURE: 
– Easily handle directional operation
– CETOP & NFPA porting pattern for subplate mounting
– 2 spool or 3 spool position available

The manual directional valve consists of valve house, handle, spool, one or two spring and a pushing piston. The valve spool is keeping central position or initial potion when the valve is not working. If drives the valve handle to left or right, the pushing piston connection with handle is activated and controls the spool to move accordingly. When the handle is not operated, the spool re-position to its normal location.

Manual directional valve is to control the hydraulic fluid flow direction, the valve is operated by a manually handle. Finotek manual directional valve have low pressure drop. The pressure drop is caused by fluid flow pressure loss and valve porting throttle pressure loss. The better manual directional valve should have as lower as pressure drop, by keep the concentricity between the key parts of directional spool and valve house.

Valve Ordering Code

Example (Normal code): “FT-4WMM10E -50 / ”
Explanation As Below:

FT- 4 WMM 10 E 50
(1) (2) (3) (4)  (5) (6) (7) (8) (9)

(1) Producer code= FT
(2) Service ports= 4
  Service ports= 3
(3) Size= 10
(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): 21Mpa
Max. Operating Pressure(P,A,B): 31.5Mpa

Max. Flow Rate: 120L/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

Manual-Directional-Valve-4WMM10-Sombols

Valve Installation Dimensions

Manual-Directional-Valve-4WMM10-Dimensions

2017-03-05T01:45:21+00:00