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Bosch Rexroth | 3WHD10A3X12

3WHD10A3X/12

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The Bosch Rexroth 3WHD10A3X/12 is part of the WEH Directional Spool Valves series. This hydraulic-actuated valve has a way configuration of 3/2-way and a size of NG10. Its maximum operating pressure for ports P, A, and B is 280 bar, while the pilot pressure can go up to 250 bar. The valve has a minimum pilot pressure requirement of 10 bar when using a two-position spring arrangement. The mounting pattern follows standard ISO 4401-05-05-0-05, requiring M6 x 45 screws torqued to 12.5 Nm. It is rated for an ISO 4406 cleanliness class of 20/18/15 and has a surface protection thickness of 100 micrometers. The contact surface roughness is specified at Rzmax 4 and the expected MTTFd for the Wh type is 150 years. Stroke adjustment is set at 1 mm per turn.

Technical Specifications

Actuation Type
Hydraulic

Cleanliness Class
ISO 4406 20/18/15

Contact Surface Roughness
Rzmax 4

Max Operating Pressure (p, A, B)
280 bar

Max Pilot Pressure
250 bar

Max Pressure Port T
280 bar

Max Pressure Port Y
250 bar

Min Pilot Pressure (2-pos Spring)
10 bar

Mounting Pattern
ISO 4401-05-05-0-05

Mounting Screw Size
M6 x 45

Mounting Screw Torque
12.5 Nm

Mttfd (type Wh)
150 years

Stroke Adjust Per Turn
1 mm

Surface Protection Thickness
100 µm

Valve Size
NG10

Way Configuration
3/2-Way

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