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The H-4WMM16E7X/F directional spool valve belongs to the WM Directional Spool Valves series produced by Bosch Rexroth for manual control tasks in hydraulic automation. It uses a hand lever that swings 26° to each side of center, and a detent secures the selected position until the operator moves the lever again. The valve is built in size 16 and matches the ISO 4401-07-07-0-05 porting pattern so it seats directly on common sub-plates. Four main ports connect to the circuit, and spool symbol E defines the internal flow paths established by the lever positions.
The unit withstands 350 bar on ports A, B, and P, while the T port is rated at 250 bar to suit tank return conditions. It passes up to 300 l/min without excessive pressure loss and includes an L port that channels leakage oil away from the working lines. The valve can be mounted in any orientation and is fastened with M10 × 60 screws tightened to 75 Nm. Reliable service depends on hydraulic fluid that meets ISO 4406 cleanliness class 20/18/15 so that the spool and seals remain free of abrasive contamination.
Actuating Angle From Center
2 x 26°
Actuation Type
Hand Lever
Cleanliness Class
ISO 4406 20/18/15
Detent
Yes
Installation Position
Any
Leakage Oil Port
L
Max Operating Pressure (a/b/p)
350 bar
Maximum Flow
300 l/min
Mounting Screw Size
M10 x 60
Mounting Screw Torque
75 Nm
Number Of Main Ports
4
Porting Pattern (iso)
ISO 4401-07-07-0-05
Size
16
Spool Symbol
E
T-port Max Pressure
250 bar
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