DBET-61/350YG24K4V German made proportional relief valve Rexroth
Price:
Negotiable
MOQ:
1
Delivery Time:
2 weeks
Brand:
Rexroth
Product Description
DBET-61/350YG24K4V German made proportional relief valve Rexroth
DBET-61/350YG24K4V German made proportional relief valve Rexroth
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 | |
| Pressure Rating | 350 bar | |
| Operational Medium | Hydraulic oil (HL, HLP, HVLP, etc.) | |
| Electrical Characteristics | Power Supply | 24 VDC |
| Control Signal | Proportional input (0-10V or 4-20mA) | |
| Solenoid Type | Proportional solenoid, 1600 mA coil | |
| Electrical Connection | 3-pole connector (DIN EN 175301-803) | |
| Design & Mounting | Connection Type | Subplate mounting |
| Mounting Standard | ISO 4401-03-02-0-05 | |
| Port Configuration | P, T ports (2 ports) | |
| Seal Material | FKM (Viton ®) | |
| Performance Features | Pressure Adjustment | Remote proportional control via electrical signal |
| Response Time | Typically < 100 ms (10-90% pressure change) | |
| Linearity | ±2% of full scale | |
| Hysteresis | <3% | |
| Environmental Conditions | Operating Temperature | -20°C to +70°C (hydraulic oil) |
| Storage Temperature | -20°C to +80°C | |
| Protection Class | IP65 (with connector) | |
| Physical Properties | Weight | Approx. 1.4 kg (varies by configuration) |
| Material | Steel housing, hardened spool | |
| Compatibility | Hydraulic Fluids | Mineral oils (HL, HLP), synthetic fluids (HETG, HEES), phosphate esters (with FKM seals) |
| Control Electronics | Requires external amplifier (e.g., VT-2000 series) |
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Frequently Asked Questions
Q: What is the maximum pressure this valve can control, and what is the key feature indicated by the "V" suffix?
A: The "350" in the model number signifies a maximum set pressure of 350 bar (the highest standard rating in this series). The valve body can withstand up to 420 bar maximum working pressure. The "V" suffix indicates FKM (Viton ®) seals, which provide superior chemical resistance, making this model compatible with phosphate ester fluids and aggressive media that standard NBR seals cannot handle.
Q: What hydraulic fluids are compatible with this model?
A: Thanks to its FKM seals, this valve is compatible with mineral-based hydraulic oils (HL, HLP), synthetic biodegradable fluids (HETG, HEES), and phosphate ester fluids (HFDR). The FKM material offers excellent resistance to chemical degradation. However, it is not recommended for water-based fluids (HFA, HFB, HFC). Always maintain fluid cleanliness per ISO 4406 class 20/18/15 or better.
Q: Does this valve require an external amplifier, and what are the electrical requirements?
A: Yes, this valve requires an external control amplifier (such as VT-MSPA1-2X series) to operate. The valve receives 24V DC power and a proportional control signal (0-10V or 4-20mA) through its 3-pole DIN connector ("K4" designation). The amplifier converts the command signal to the appropriate current for the proportional solenoid.
Q: What is the maximum flow rate for this 350 bar model?
A: For the DBET-6X series with 350 bar pressure rating, the maximum recommended flow rate is 2 liters/minute to ensure stable pressure control and prevent performance degradation. Exceeding this flow at high pressure settings may cause pressure instability, reduced accuracy, or premature wear.
Q: What are the critical installation and maintenance considerations for this high-pressure, chemically resistant valve?
A: For installation, ensure all system components (pipes, hoses, fittings) are rated for at least 350 bar working pressure. Use proper mounting torque on the subplate connections. For maintenance, the most critical factor is maintaining hydraulic fluid cleanliness (ISO 4406 class 20/18/15 or better recommended). Regularly check electrical connections for tightness and corrosion, inspect for external leaks around seals, and verify pressure response characteristics. For systems operating with phosphate ester fluids or at high pressures, more frequent inspections are advised.
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Company
Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
Location
Nan'an, Fujian Province, China
Contact Person
liyun