The Rexroth M-3SEW is a direct operated directional seat valve with solenoid actuation. It controls the start, stop and flow direction of hydraulic oil to switch the movement state of actuators. The valve mainly consists of the housing, the solenoid, the hardened valve system, and the ball or spool as the closing element.

It adopts a direct acting solenoid design, enabling flexible switching even in high-pressure environments. With zero leakage characteristics, it ensures the safety and stability of hydraulic systems. The solenoid coil can be rotated by 90°, and coil replacement does not require opening the pressure-tight chamber, making maintenance simple and efficient. Additionally, it features fast response speed, high reliability and low maintenance cost, ideal for on-off switching and load holding.

Rexroth M-3SEW Key Features

Zero-leakage Poppet Design – Hardened valve elements provide tight shut-off with zero leakage, critical for holding loads and preventing drift in safety circuits.

Direct Solenoid Actuation – Fast response and reliable switching even under high system pressures, eliminating the need for pilot pressure.

Rotatable Coil Assembly – Solenoid coil can be rotated 90° and replaced without opening the pressure chamber, simplifying maintenance and reducing downtime.

Standard Subplate Mounting – Porting pattern conforms to ISO 4401 (CETOP / NFPA) standards, enabling direct drop-in replacement without manifold modifications.

High Pressure Capability – Rated for up to 630 bar maximum working pressure, suitable for demanding industrial and mobile applications.

Rexroth M-3SEW Key Specifications

Valve Type: Direct operated solenoid directional seat valve

Nominal Sizes: 6, 10

Component Series: 3X (size 6), 1X (size 10)

Maximum Operating Pressure: 420 / 630 bar (ports A, B, P)

Maximum Flow: 25 L/min (size 6), 40 L/min (size 10)

Solenoid Type: Air-gap DC solenoid (AC compatible with rectifier)

Mounting: Subplate mounting, porting pattern to ISO 4401 / DIN 24340

Leakage Characteristic: Zero leakage (poppet design)

Optional Configurations: Manual override, inductive position switch

Origin: Made in Germany

Rexroth M-3SEW Weight by Size (approx.)

Size	M-3SEW 6	M-3SEW 10
Weight (2/2 directional valve, kg)	1.5	-
Weight (3/2 directional valve, kg)	1.5	2.0
Weight (4/2 directional valve, kg)	2.3 (incl. Plus-1 plate)	3.5 (incl. Plus-1 plate)

Data Sheet of M-3SEW 6 Series Data Sheet of M-3SEW 10 Series REXROTH Type Code of M-3SEW Series

Rexroth M-3SEW Applications

The M-3SEW series is widely used in mechanical equipment and industrial automation for hydraulic on-off and directional control systems, especially in scenarios demanding zero leakage and reliable high-pressure switching.

Industrial Automation Control Systems – Serves as reliable pilot control valves and main circuit switching valves in automated production lines, delivering fast response and reliable on-off switching performance.

Metallurgical & Power Hydraulics – Applied in rolling mill auxiliary drives, blast furnace systems and power plant equipment, withstanding up to 630 bar operating pressure and long-term cyclic loads.

Chemical & Petrochemical Industry – Zero leakage poppet design ensures safe operation in flammable and explosive environments, ideal for process control and emergency shut-off circuits.

Construction & Agricultural Machinery – Maintains reliable switching performance under harsh vibration, dust and temperature conditions, with low maintenance requirements for field equipment.

Marine & Offshore Auxiliary Systems – Provides stable directional control for deck machinery and auxiliary hydraulic drives, with optional FKM seals for compatibility with HFC fire-resistant fluids.

Commonly Requested Material Numbers (MNR)

Below are frequently ordered M-2SEW, M-3SEW, M-4SEW models. If your part number is not listed, please contact us freely.

M-3SEW 6 Series

R900566289 M-3SEW6U3X/630MG24N9K4

R900050446 M-3SEW6U3X/630MG205N9K4

R900215048 M-3SEW6U3X/630MG110N9K4

R900051045 M-3SEW6C3X/630MG96N9K4

R900053414 M-3SEW6C3X/630MG205N9K4

R900218368 M-3SEW6C-3X/630MG48N9K4

R901103377 M-3SEW6C3X/420MG25N9Z2/V SO215

R901128670 M-3SEW6C3X/420MG24N9XEZ2/B15V

R901058878 M-3SEW6U3X/420MG24N9XEZ2/V

R900705052 M-3SEW6C3X/630MG24N9K4/V/5

R900022708 M-3SEW6U3X/420MG24K4/P

R901032539 M-3SEW6C36/420MG24N9XEZ2/V

R901103376 M-3SEW6C3X/420MG25N9Z2/B15V-SO215

R900206079 M-3SEW6U3X/420MG24N9K4/B22

R900220093 M-3SEW6U36/420MG110N9K4/V

R900566279 M-3SEW6C36630MG24N9K4

R900570744 M-3SEW6U3X/420MG96N9K4

R901290869 M-3SEW6C3X/420MG24N9Z2/B08V SO865

R900212093 M-3SEW6C3X/420MG25N9Z2/B08VSO214

R900213405 M-3SEW6U3X/420MG205N9K4/V

R900205053 M-3SEW6C3X/420MG96N9K4/B15

R900570174 M-3SEW6U3X/420MG24N9K4/V

R901530719 M-3SEW6C3X/420MG96N9K4/B15SO219

R900566273 M-3SEW6C3X/420MG24N9K4

R900566283 M-3SEW6U3X/420MG24N9K4

R900204628 M-3SEW6C3X/630MG24N9K4/V

R900059240 M-3SEW6C3X/420MG110N9K4

R900210121 M-3SEW6C3X/420MG110N9K4/B10

R900987938 M-3SEW6C3X/420MG110N9K4/B10V

R900210349 M-3SEW6C3X/420MG110N9K4/V

R901231662 M-3SEW6C3X/420MG125N9K4/B10

R900050514 M-3SEW6C3X/420MG205N9K4

R900739057 M-3SEW6C3X/420MG205N9K4/B08V

R900986855 M-3SEW6C3X/420MG205N9K4/B12V

R901174069 M-3SEW6C3X/420MG205N9K4/B20SO219

R900205012 M-3SEW6C3X/420MG24K4/B08V

R900020653 M-3SEW6C3X/420MG24N9K4/B08

R900727248 M-3SEW6C3X/420MG24N9K4/B08V

R900220648 M-3SEW6C3X/420MG24N9K4/B12V

R900082565 M-3SEW6C3X/420MG24N9K4/B15V

R900571656 M-3SEW6C3X/420MG24N9K4/B20

R900569750 M-3SEW6C3X/420MG24N9K4/P

R900049834 M-3SEW6C3X/420MG24N9K4/V

R901142096 M-3SEW6C3X/420MG24N9K4QMBG24

R901028327 M-3SEW6C3X/420MG24N9XEZ2/B08V

R900570812 M-3SEW6C3X/420MG25N9Z2/B15VSO214

R901048239 M-3SEW6C3X/420MW230RN9XEZ2/B15

R900020826 M-3SEW6C3X/630MG24N9K4/B20

R900208025 M-3SEW6U3X/420MG205N9K4/B12

R900049953 M-3SEW6U3X/420MG205N9K4/B20

R900569794 M-3SEW6U3X/420MG24K4

R900088200 M-3SEW6U3X/420MG24N9K4/B08

R900571657 M-3SEW6U3X/420MG24N9K4/B12

R901175467 M-3SEW6U3X/420MG24N9K4/B12SO219

R900203314 M-3SEW6U3X/420MG24N9K4/B18

R900572244 M-3SEW6U3X/420MG24N9K4/P

R901112756 M-3SEW6U3X/420MG24N9K4K

R900054548 M-3SEW6U3X/420MG24N9K4QMAG24

R901284419 M-3SEW6U3X/420MG24N9K72L/B12SO407

R901276440 M-3SEW6U3X/420MG24N9XEZ2

R900213294 M-3SEW6U3X/630MG24N9K4/B15

R900219617 M-3SEW6U3X/630MG24N9K4/B20

R900030919 M-3SEW6U3X/630MG24N9K4/P

R900205344 M-3SEW6U3X/630MG96N9K4

M-3SEW 10 Series

R901085257 M-3SEW10C14/420MG24N9XEZ2/V

R900049870 M-3SEW10C1X/630MG24N9K4

R900203903 M-3SEW10C1X/420MG24N9K4/B20

R900208649 M-3SEW10C1X/420MG24N9K4/V

R900205863 M-3SEW10U15630MG24N9K4B12

R900075563 M-3SEW10U1X/420MG24N9K4

R900051544 M-3SEW10U1X/630MG24N9K4

R900075565 M-3SEW10C1X/420MG24N9K4

R900049640 M-3SEW10C1X/420MG110N9K4

R901420579 M-3SEW10C1X/420MG110N9K4/B12V

R900056443 M-3SEW10C1X/420MG24N9K4/B12

R900054399 M-3SEW10C1X/420MG24N9K4/P

R900715545 M-3SEW10C1X/420MG24N9K4QMAG24

R900214675 M-3SEW10C1X/630MG48N9K4/B08

R900987157 M-3SEW10U1X/420MG24K4/P

R900212532 M-3SEW10U1X/420MG24N9K4/B12

R900086375 M-3SEW10U1X/420MG24N9K4/B15

R901184264 M-3SEW10U1X/420MG24N9K4/B15SO219

R900088708 M-3SEW10U1X/420MG24N9K4/P

R900052729 M-3SEW10U1X/420MG24N9K4/V

R901132784 M-3SEW10U1X/420MG24N9XEZ2

R900987332 M-3SEW10U1X/630MG205N9K4/B15

M-2SEW 6 Series

R901017862 M-2SEW6N3X/420MG24K4QMBG24

R900569808 M-2SEW6N3X/420MG24N9K4

R900205409 M-2SEW6N3X/420MG24N9K4/P

R900210350 M-2SEW6N3X/420MG24N9K4/V

R900211910 M-2SEW6N3X/630MG24N9K4

R900206430 M-2SEW6P3X/420MG205N9K4

R900205381 M-2SEW6P3X/420MG220N9K4/V

R900572890 M-2SEW6P3X/420MG24N9K4

R900219888 M-2SEW6P3X/420MG24N9K4/B12

R901202308 M-2SEW6P3X/420MG24N9K4/B20V

R900050409 M-2SEW6P3X/420MG24N9K4/V

R900053182 M-2SEW6P3X/630MG24N9K4

M-4SEW 10 Series

R901005024 M-4SEW10D1X/420MG205N9K4/B10

R900087926 M-4SEW10D1X/420MG24N9K4

R900051559 M-4SEW10D1X/630MG24N9K4

R900222979 M-4SEW10D1X/630MG24N9K4/P

R900224099 M-4SEW10Y1X/630MG24N9K4

R900049954 M-4SEW6D3X/420MG110N9K4

R901057524 M-4SEW6D3X/420MG110N9K4/PV

R900566293 M-4SEW6D3X/420MG24N9K4

R900210274 M-4SEW6D3X/420MG24N9K4/B20

R900059472 M-4SEW6D3X/630MG24K4

R900218226 M-4SEW6Y3X/420MG24N9K4/V

R900566296 M-4SEW6Y3X/630MG24N9K4

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