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 |
| Weight | Approx. 1.8 - 2.1 kg |
| Supply Voltage | 24 V DC (via external amplifier) |
| Max. Operating Pressure | 210 bar (Ports A, B) |
| Rated Flow (Qn) | 25 L/min |
| Primary Function | Electronically controlled, pressure-compensated flow regulation for precise actuator speed control independent of load changes. |
| Brand Name | Rexroth |
| Model Number | R900937870 2FRE6B-2X/25QK4MV |
| Certification | ISO |
| Place of Origin | German |
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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 |
| Weight | Approx. 1.8 - 2.1 kg | Supply Voltage | 24 V DC (via external amplifier) |
| Max. Operating Pressure | 210 bar (Ports A, B) | Rated Flow (Qn) | 25 L/min |
| Primary Function | Electronically controlled, pressure-compensated flow regulation for precise actuator speed control independent of load changes. | Brand Name | Rexroth |
| Model Number | R900937870 2FRE6B-2X/25QK4MV | Certification | ISO |
| Place of Origin | German | ||
| High Light | Rexroth hydraulic speed control valve ，German Rexroth hydraulic valve ，Rexroth 2FRE6B-2X valve | ||
|
Parameter |
Specification |
|---|---|
|
Manufacturer / Series |
Rexroth 2FRE 6 Series |
|
Order Code |
R900937870 |
|
Full Model |
2FRE 6 B-2X/25QK4MV |
|
Valve Type |
2-Way Proportional Flow Control Valve with Pressure Compensation |
|
Primary Function |
Electronically controlled, pressure-compensated flow regulation for precise actuator speed control independent of load changes. |
|
Control Type |
Proportional solenoid with inductive position transducer (requires external amplifier). |
|
Nominal Size |
NG6 |
|
Max. Operating Pressure |
210 bar (Ports A, B) |
|
Rated Flow (Qn) |
25 L/min |
|
Flow Characteristic |
Progressive (Q) |
|
Pressure Compensation |
Yes (Type B compensator) |
|
Check Valve |
No (Flow control direction A→B only, reverse flow blocked) |
|
Ports |
A, B |
|
Mounting |
Subplate Mounting (ISO 4401-03-02-0-05) |
|
Electrical Connection |
K4 (Individual 3-pin connector: 2 pins + PE) |
|
Seal Material |
FKM (Fluorocarbon Rubber) |
|
Supply Voltage |
24 V DC (via external amplifier) |
|
Hydraulic Fluid |
Mineral oils (HL, HLP), HETG, HEES, HFDU, HFDR |
|
Weight |
Approx. 1.8 - 2.1 kg |
|
Origin |
Germany |
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Q1: What is the key advantage of the 2FRE valve over a standard throttle valve?
A: The 2FRE features built-in pressure compensation. This means it maintains a constant flow rate even if the system pressure (load) changes, ensuring consistent actuator speed. A standard throttle valve's flow would vary with pressure.
Q2: What does the "25Q" in the model number indicate?
A: 25 is the rated flow capacity (25 L/min). Q denotes a progressive flow characteristic, providing finer resolution and easier control at lower flow rates.
Q3: Does this valve allow free flow in the reverse direction?
A: No. The suffix "M" indicates there is no integrated check valve. Flow is controlled from A→B, and flow from B→A is blocked. If bidirectional flow is needed, a different variant (e.g., with suffix "V") must be selected.
Q4: What external equipment is needed to operate this valve?
A: This valve requires an external proportional amplifier (e.g., Rexroth VT-VRPA1 series). The amplifier provides the 24V DC power to the solenoid and processes the command signal (e.g., 0-10V) and the valve's position feedback.
Q5: How is the flow direction configured?
A: Flow is controlled in the direction from port A to port B (A→B). The valve's subplate or label will have a marked arrow indicating this direction. It cannot be reversed internally.
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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