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R983030774 4WMM10J3X/F Rexroth manual valve made in Germany
R983030774 4WMM10J3X/F Rexroth manual valve made in Germany
Specifications
Delivery Time :
2 weeks
Spool Configuration​ :
4/3-way​ (P, T, A, B; 3 Positions)
Operating Temperature​ :
-20°C to +70°C​ (NBR seals)
Certification :
ISO
Model Number :
R983030774 4WMM10J3X/F
MOQ :
1
Mounting Style​ :
Subplate Mounting​ (ISO 4401-05-04-0-05)
Packaging Details :
wooden box
Supply Ability :
100
Actuation Type​ :
Manual Lever with Detent (/F)​
Place of Origin :
Germany
Payment Terms :
Western Union,T/T,D/P,D/A,L/C
Brand Name :
Rexroth
Max. Tank Pressure (T Port)​ :
160 bar​
Description
R983030774 4WMM10J3X/F Rexroth Manual Valve
High-quality direct-operated directional spool valve with manual lever actuation, manufactured in Germany.
Technical Specifications
General Information
Manufacturer / Model Rexroth, 4WMM Series (Direct-Acting Manual)
Part Number R983030774
Valve Type Direct-Operated Directional Spool Valve (Manual Lever)
Country of Origin Germany
Hydraulic Performance
Nominal Size NG10 (≈CETOP 5 / ISO 4401-05-04-0-05)
Max. Operating Pressure (P, A, B) 315 bar (Standard Series)
Max. Tank Pressure (T Port) 160 bar
Max. Recommended Flow 120 L/min (Peak 160 L/min)
Spool Configuration 4/3-way (P, T, A, B; 3 Positions)
Spool Function J (Center Position: P blocked, A & B connected to T)
Mechanical Interface
Mounting Style Subplate Mounting (ISO 4401-05-04-0-05)
Port Size NG10 (Typically M14x1.5 or SAE #12 O-ring)
Actuation Type Manual Lever with Detent (/F)
Weight Approx. 3.5 - 4 kg
Media & Environment
Seal Material NBR (Standard for mineral oil)
Compatible Fluids Mineral Oils (HL/HLP), HFC (Water Glycol)
Operating Temperature -20 °C to +70°C (NBR seals)
Fluid Viscosity Range 2.8 - 500 mm²/s
Fluid Cleanliness ISO 4406 20/18/15 or cleaner
R983030774 4WMM10J3X/F Rexroth manual valve made in Germany
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Frequently Asked Questions
What does the "/F" suffix mean in the model number?
The /F suffix indicates that the valve is equipped with a detent mechanism (ball-and-spring). This allows the lever to be locked into any of its three positions (Left, Center, Right). When you release the lever, it stays in that position. This is different from the spring-centered version (without /F), which automatically returns to center when released.
What is the "J" spool function?
The "J" spool has a specific center position flow path: P (Pressure) is blocked, and A & B (work ports) are connected to T (Tank). This configuration allows the connected actuator (cylinder or motor) to float freely when the valve is in the center position, as both sides are unloaded to the tank. It is commonly used in applications like crane hooks or free-wheeling circuits.
What is the maximum flow rate for this NG10 valve?
The comfortable operating flow is 120 L/min. While it can handle peaks up to 160 L/min, doing so will result in high pressure drops and may require excessive force to shift the lever. For systems consistently above 120 L/min, consider upgrading to an NG16 size valve.
Can this valve be used with water glycol (HFC) or phosphate ester (HFD) fluids?
Yes for HFC, No for HFD with standard seals. The standard NBR seals are compatible with Water Glycol (HFC). However, if you are using Phosphate Ester (HFD) fluids, you must order a variant with FKM (Viton ®) seals, which typically have a /V suffix (e.g., 4WMM10J3X/F/V).
What is the difference between the "3X" and "5X" series?
The 3X (30-series) and 5X (50-series) refer to different design generations. The external mounting dimensions (ISO 4401 NG10) are fully interchangeable. The main differences are internal (spool tolerances, leakage rates). Always confirm spool function compatibility if replacing an existing valve.
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R983030774 4WMM10J3X/F Rexroth manual valve made in Germany

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Product Detail
Delivery Time :
2 weeks
Spool Configuration​ :
4/3-way​ (P, T, A, B; 3 Positions)
Operating Temperature​ :
-20°C to +70°C​ (NBR seals)
Certification :
ISO
Model Number :
R983030774 4WMM10J3X/F
MOQ :
1
Contact Supplier
R983030774 4WMM10J3X/F Rexroth manual valve made in Germany

Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.

Verified Supplier
2 Years
fujian
Business Type :
Manufacturer, Exporter
Main Products :
Gear Pump, Rexroth Hydraulic Pump, Parker Denison Hydraulic Pump
Total Annual :
1 million-10 millon
Employee Number :
>50
Certification Level :
Verified Supplier
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