Bosch Rexroth 4WMRZ 6 D60/ZV Directional Spool Valve R901112178
Bosch Rexroth 4WMRZ 6 D60/ZV Directional Spool Valve R901112178
The Bosch Rexroth 4WMRZ 6 D60/ZV is a direct-operated mechanical directional spool valve with manual roller lever actuation. Designed for precise hydraulic flow control, this valve is commonly used in industrial hydraulic systems for start/stop and directional control applications.
This unit is manufactured in Germany and features high-pressure performance in a compact NG6 (Size 6) configuration.
Product Identification
• Manufacturer: Bosch Rexroth
• Model: 4WMRZ 6 D60/ZV
• Material Number (MNR): R901112178
• Casting Mark: R901145341
• Factory Code (FD): 01110
• Serial Number: 000122734038
• Origin: Made in Germany
Valve Type & Configuration
• Type: 4WMRZ6
• Operation: Manual roller lever actuation
• Design: Direct operated spool valve
• Nominal Size: NG6 (Size 6)
• Port Configuration: P, T, A, B
• Switching Positions: Typically 4/3 (depending on spool version)
This valve allows mechanical control of hydraulic flow without electrical actuation.
Technical Specifications
• Maximum Operating Pressure: 315 bar (4569 psi)
• Maximum Flow Rate: 60 L/min (15.8 US gpm)
• Mounting Interface: NG6 / CETOP 3 (ISO 4401 standard)
• Hydraulic Fluid Compatibility: Mineral oil based (HLP/HVLP)
Functional Description
The 4WMRZ series uses:
Direct spool actuation
Manual roller lever control
Spring return mechanism
Robust industrial construction
When the roller lever is actuated:
• Flow is directed between P ? A or P ? B
• Return flow passes to T
• Used for cylinder or motor directional control
Ideal for systems where electrical control is not required.
Additional Markings
• Handwheel / Assembly Code: 24380-54-2-094
• Associated internal or assembly positioning code
Typical Applications
• Industrial hydraulic machinery
• Construction equipment
• Material handling systems
• Press machines
• Steel plants
• Mobile hydraulic systems
• Marine hydraulic controls
• Test benches
Industries Served
• Manufacturing
• Heavy engineering
• Oil & gas
• Marine & offshore
• Construction equipment
• Power generation
Global Export – Gani Marine Exporter
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