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General

The Bosch Rexroth M-3SMR6C3X/420/B18 is a direct-operated, mechanically actuated directional seat valve designed for reliable hydraulic flow control in industrial applications. Featuring a size 6 design, a maximum operating pressure of 420 bar, and a maximum flow rate of 40 l/min, this valve provides dependable switching of hydraulic oil flow. Its roller-plunger actuation and 1.8 mm throttle insert support specialized hydraulic control requirements.

Features

Direct-operated directional seat valve
Mechanical actuation via roller plunger
Reliable hydraulic flow direction switching
Safe switching after extended periods under pressure
3-port, 2-position valve configuration
Subplate mounting design
Integrated 1.8 mm throttle insert
NBR seal material

Key Specifications

Manufacturer: Bosch Rexroth
Product Name: M-3SMR6C3X/420/B18
Material Number: R901282051
Valve Type: Directional Seat Valve
Size: 6
Component Series: 3X
Spool Symbol: C
Maximum Operating Pressure: 420 bar
Maximum Flow Rate: 40 l/min
Actuation Type: Mechanical (Roller Plunger)
Supply Voltage: Not Applicable
Number of Ports: 3
Number of Switching Positions: 2
Mounting Type: Subplate Mounting
Connection Diagram: ISO 4401-03-02-0-05
Throttle Insert Diameter: 1.8 mm
Hydraulic Fluids: HL, HLP, HLPD, HVLP, HVLPD
Seal Material: NBR
Net Weight: 1.45 kg

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