Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
| Payment Terms | Western Union,T/T,D/P,D/A,L/C |
| Supply Ability | 100 |
| Delivery Time | 2 weeks |
| Packaging Details | wooden box |
| Model | 4WMM 6 J 6X |
| Order No. | R983030728 |
| Type | 4/3-way, 3-position, manual operated |
| Max. Operating Pressure | 315 bar |
| Viscosity Range | 10 to 400 mm²/s |
| Brand Name | Rexroth |
| Model Number | 4WMM6J6X/ |
| Certification | ISO |
| Place of Origin | China |
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Product Specification
| Payment Terms | Western Union,T/T,D/P,D/A,L/C | Supply Ability | 100 |
| Delivery Time | 2 weeks | Packaging Details | wooden box |
| Model | 4WMM 6 J 6X | Order No. | R983030728 |
| Type | 4/3-way, 3-position, manual operated | Max. Operating Pressure | 315 bar |
| Viscosity Range | 10 to 400 mm²/s | Brand Name | Rexroth |
| Model Number | 4WMM6J6X/ | Certification | ISO |
| Place of Origin | China | ||
| High Light | Rexroth manual directional hydraulic valve ，Rexroth hydraulic valve 4WMM6J6X ，Rexroth hydraulic valve with warranty | ||
|
Parameter |
Specification |
|---|---|
|
Model |
4WMM 6 J 6X |
|
Order No. |
R983030728 |
|
Type |
4/3-way, 3-position, manual operated |
|
Center Position |
J (P blocked, A and B connected to T in center) |
|
Nominal Size |
6 mm |
|
Max. Operating Pressure |
315 bar |
|
Rated Flow |
Approx. 30 L/min (at Δp = 5 bar) |
|
Operation |
Manual lever |
|
Manual Lever Type |
Standard |
|
Mounting Interface |
ISO 4401-03-02-0-05 (CETOP 3) |
|
Ports (P, A, B, T) |
4x M5x0.8 threaded |
|
Drain Port (Y) |
Not applicable |
|
Standard Seals |
NBR |
|
Suitable Media |
Mineral oils (HL/HLP), HFA, HFB, HFC, HFDR |
|
Media Temperature |
-20°C to +70°C (for oil) |
|
Viscosity Range |
10 to 400 mm²/s |
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Q: How is a manual directional valve different from a solenoid-operated valve?
A: A manual valve is physically operated by a lever, handwheel, or other mechanical actuator, requiring direct human interaction for each shift. A solenoid-operated valve uses an electromagnetic coil for electrical control, allowing for automated or remote operation. The manual version is typically simpler, more robust, and used in applications where automation is not required or as an emergency backup.
Q: Does the "4WMM" model series have a spring return to center?
A: Yes, standard 4WMM series valves with a 3-position designation are typically spring-centered. This means when the operator releases the manual lever, internal springs automatically return the valve spool to its neutral center position (in this case, the "J" center configuration).
Q: What is the primary application for a "J" center in a manual valve?
A: The J-center blocks the pressure port (P) and connects the cylinder ports (A and B) to the tank (T) in neutral. In a manual valve, this is commonly used for applications like manually positioning a cylinder. When the lever is released, the cylinder can "float" as both sides are connected to the tank, or be held in place by external mechanical locks or loads, depending on the circuit.
Q: The lever is very stiff to operate. What could be the cause?
A: High operating force can be caused by several factors: 1) High system pressure while shifting, as pressure creates a hydraulic force resisting spool movement. 2) Mechanical binding due to misalignment or a bent lever. 3) Internal contamination causing the spool to stick in the body. Ensure the system is depressurized before operation if possible, and check for contamination.
Q: Is this valve suitable for use as a main system directional control valve?
A: It can be, particularly in small systems, test benches, or mobile equipment where manual control is the primary method. However, for most industrial systems requiring frequent or automated cycling, a solenoid-operated valve is more practical. The manual valve is also often used as a safety or isolation valve in a circuit.
Company Details
Business Type:
Manufacturer,Exporter
Total Annual:
1 million-10 millon
Employee Number:
>50
Ecer Certification：
Verified Supplier
Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha... Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha...
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