Hydraulic Gear Relief Valves
Advantage of hydraulic gear relief valve
1. High-Precision Synchronization
Utilizing a high-precision gear design and precision manufacturing processes, it achieves high synchronization accuracy; under rated operating conditions, the flow-splitting error is controlled within ±1.5%, ensuring consistent actuator operation.
2. Wide Flow Range
The nominal flow range for a single port typically falls between 1.8 L/min and 300 L/min (depending on the specific model).
3. High Reliability
Utilizing high-quality materials-specifically a high-strength cast iron housing-and a specialized heat treatment process, this product offers excellent wear resistance, a long service life, and stable, reliable operation. Its structural design is engineered to withstand high-pressure shock loads and possesses a robust load-bearing capacity, making it ideally suited for applications involving heavy-duty, continuous operation where stability is a critical requirement.

Technical Details
| Synchronization Accuracy |
±1.5~2.5% |
|
Material |
Cast Iron/cast aluminum |
|
Medium |
Hydraulic oil |
|
Pressure |
100-280 bar |
|
Certificate |
ISO9000; CE |

Typical application
Hydraulic components such as hydraulic valve, solenoid valve, hydraulic directional valve, oil pump, hydraulic gear pump, gear pump, electric motor, electrical motor, ac motor, hydraulic cylinder, cylinder, hydraulic power pack, hydraulic power unit, hydraulic power station, sandwich check valve, flow control valve wait.


No matter how harsh the application environment is, our products can be perfectly harnessed.
Selection table

| Type |
Single displacement(ml/r) |
Pressure(bar) |
Rotating speed(r/min) |
||
|
Working pressure |
Peak pressure |
Minimum |
Maximum |
||
|
UL42 |
42 |
220 |
250 |
900 |
2100 |
|
UL55 |
55 |
220 |
250 |
900 |
2100 |
|
UL75 |
75 |
220 |
250 |
900 |
2100 |

How to confirm the model
we need know the working condition as follow;
-
1 .the quantity of input and output
-
2. the flow rate of input or output
-
3. the pressure
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