DBET-61/100YG24K4M Rexroth proportional relief valve direct acting made in Germany
Price:
Negotiable
MOQ:
1
Delivery Time:
2 weeks
Brand:
Rexroth
Product Description
DBET-61/100YG24K4M Rexroth Proportional Relief Valve
DBET-61/100YG24K4M Rexroth proportional relief valve direct acting made in Germany. This direct-operated proportional relief valve is designed for stepless precise pressure control in hydraulic systems.
Technical Specifications
| Parameter Category | Specification | Details / Notes |
|---|---|---|
| Basic Model Info | Type | Direct-operated proportional relief valve |
| Model Series | DBET | |
| Specification Size | 6 | |
| Hydraulic Performance | Max. Working Pressure | Up to 420 bar |
| Max. Flow Rate | Up to 2 l/min | |
| Operational Medium | Oil | |
| Electrical Characteristics | Power Supply | 24 VDC |
| Control Signal | Proportional (e.g., 0-24V input signal to correspondingly adjust pressure) | |
| Solenoid Type | Proportional solenoid with detachable coil | |
| Design & Mounting | Connection Type | Internal thread |
| Mounting | Subplate mounting, hole pattern according to ISO 4401 | |
| Amplifier | Plug-in amplifier with modular design | |
| Key Features | Adjustability | Independently adjustable upward and downward ramps; fine-tuning of pressure characteristic curve |
| Function | Limits system pressure remotely and proportionally |
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Frequently Asked Questions
1. Q: What should I do if the system pressure cannot reach the set value?
A: First, check the electrical input signal and connections to ensure they are stable and within the specified range. Verify that the solenoid is receiving power and the control signal is correct. If the issue persists, inspect the valve spool for possible contamination or wear, and check for internal leakage due to damaged seals. Cleaning the valve or replacing worn components may be necessary.
2. Q: Why is there significant pressure fluctuation in the system?
A: Pressure fluctuations can be caused by several factors. Check for air in the hydraulic oil, which can cause cavitation. Ensure the oil is clean and the filters are not clogged. Also, verify that the flow rate does not exceed the valve's rated capacity. If the problem continues, inspect the damping orifices and the condition of the spring, as wear or fatigue can lead to instability.
3. Q: How can I reduce noise during operation?
A: Excessive noise is often due to cavitation (air in the oil) or flow exceeding the valve's capacity. Ensure the system is properly bled of air and that the flow rate is within specifications. Check for loose connections or vibrations in the piping. If the noise persists, inspect the pilot valve and main spool for wear, as damaged components can cause irregular flow and noise.
4. Q: The valve fails to build any pressure. What could be the cause?
A: If no pressure is established, the main spool may be stuck in the open position, or the pilot damping orifice could be blocked. Check the electrical connections to the solenoid to ensure it is energized. Also, inspect the spring--if it is broken or missing, the valve cannot close properly. Cleaning the valve and verifying the solenoid function are essential first steps.
5. Q: The pressure response is slow or non-linear. How can I improve it?
A: Slow or non-linear response is typically related to contamination in the oil, which can cause the spool or solenoid to stick. Check the oil cleanliness and replace filters if necessary. Also, inspect the spool and valve body for wear or scoring. If the solenoid itself is degraded (increased hysteresis), it may need replacement. Ensure the control signal is stable and the amplifier settings are correct.
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Company
Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
Location
Nan'an, Fujian Province, China
Contact Person
liyun