DBET-61/200YG24K4V German Rexroth Proportional Pilot Relief Valve
DBET-61/200YG24K4V German Rexroth proportional pilot relief valve
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 |
200 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) |
Related Models
DBETE-52/315G24K31F1V, DBETE-52/315G24K31F1M, DBETE-52/315G24K31A1V, DBETE-52/315G24K31A1M, DBETE-52/200G24K31F1V, DBETE-52/200G24K31F1M, DBETE-52/200G24K31A1V, DBETE-52/200G24K31A1M, DBETE-52/100G24K31F1V, DBETE-52/100G24K31A1V, DBET-52/50G24K4V, DBETE-52/100G24K31A1M, DBETE-52/50G24K31F1V, DBETE-52/50G24K31F1M, DBETE-52/50G24K31A1V, DBETE-52/50G24K31A1M, DBET-52/350G24K4V, DBET-52/350G24K4M, DBET-52/315G24K4V, DBET-52/315G24K4M, DBET-52/200G24K4V, DBET-52/200G24K4M, DBET-52/100G24K4V, DBET-52/100G24K4M, DBETE-52/350G24K31F1V, DBETE-5X/50G24K31A1M, DBETE-5X/100G24K31A1V, DBETE-5X/350G24K31F1M, DBETE-5X/350G24K31A1V, DBETE-5X/350G24K31A1M, DBETE-5X/315G24K31F1V, DBETE-5X/315G24K31A1V, DBETE-5X/315G24K31A1M, DBETE-5X/200G24K31F1V, DBETE-5X/200G24K31F1M, DBETE-5X/200G24K31A1V, DBETE-5X/200G24K31A1M, DBETE-5X/100G24K31F1V, DBETE-5X/100G24K31F1M, DBETE-5X/100G24K31A1M, DBET-5X/350G24K4V, DBETE-5X/50G24K31F1V, DBETE-5X/50G24K31F1M, DBET-5X/350G24K4M, DBET-5X/315G24K4V, DBET-5X/315G24K4M, DBET-5X/200G24K4V, DBET-5X/200G24K4M, DBET-5X/100G24K4V, DBET-5X/100G24K4M, DBET-5X/50G24K4V, DBET-5X/50G24K4M, DBETE-5X/50G24K31A1V, DBETE-5X/315G24K31F1M, DBETE-5X/350G24K31F1V, DBETBEX-1X/310G24K31A1M, DBETFX-1X/80G24-27NZ4M, DBETFX-1X/180G24-27NZ4M, DBETFX-1X/250G24-27NZ4M, DBETFX-1X/315G24-27NZ4M, DBETX-10/50G24-8NZ4M, DBETX-10/80G24-8NZ4M, DBETX-10/180G24-8NZ4M, DBETX-10/50G24-25NZ4M, DBETX-10/80G24-25NZ4M, DBETX-10/180G24-25NZ4M, DBETX-10/250G24-25NZ4M, DBETX-10/315G24-25Z4M, DBET6X/50G24K4V, DBET6X/100G24K4V, DBETB-6X/315G24K31A1V, DBETB-6X/350G24K31A1V, DBE6X-1X/80G24-8NZ4M, DBE6X-1X/180G24-8NZ4M, DBE6X-1X/80G24-25NZ4M, DBE6X-1X/180G24-25NZ4M, DBE6X-1X/315G24-25NZ4M, DBEBE6X-1X/80G24K31F1M, DBE10Z-1X/180XYG24-8NZ4M, DBE10Z-1X/315XYG24-8NZ4M, DBEB10Z-1X/180XYG24-37Z4M, DBEB10Z-1X/315XYG24-37Z4M, DBEBE10Z-1X/180XYG24K31A1M, DBEBE10Z-1X/315XYG24K31A1M, DBEME20DBEME30, DBEME10-5X/50YG24K31M, DBEME10-5X/100YG24K31M, DBEME10-5X/200YG24K31M, DBEME10-5X/315YG24K31M, DBEME10-5X/350YG24K31M, DBEME20-5X/50YG24K31M, DBEME20-5Xyi00YG24K31M, DBEME20-5X/200YG24K31M, DBEME20-5X/315YG24K31M, DBEME20-5X/350YG24K31M
Frequently Asked Questions
1. What are the key features of the DBET-61/200YG24K4V compared to other models in the series?
This model combines two key features: a 200 bar pressure rating (indicated by "200" in the model number) and FKM seals (indicated by "V" suffix). This makes it suitable for higher pressure applications that also require chemical resistance to phosphate ester fluids or other aggressive media. The 200 bar rating provides a wider proportional control range compared to 100 bar versions, while FKM seals offer better temperature tolerance and chemical compatibility than standard NBR seals.
2. What hydraulic fluids are compatible with this valve?
The DBET-61/200YG24K4V with FKM seals is compatible with mineral-based hydraulic oils (HL, HLP), synthetic fluids (HETG, HEES), and phosphate ester fluids. The FKM seal material provides the chemical resistance needed for phosphate esters. Always verify that the fluid meets the required cleanliness standard (typically ISO 4406 18/16/13 or better) and ensure the fluid temperature remains within the operating range (-20°C to +70°C).
3. Why is the pressure not reaching the full 200 bar range?
First, verify that the input control signal is reaching its maximum value (10V or 20mA). Check the external amplifier settings and electrical connections. If the signal is correct but pressure is low, possible causes include: internal leakage due to worn seals or spool damage, contamination causing spool sticking, insufficient pump flow or pressure, or a faulty solenoid. Also ensure the hydraulic system is properly bled of air.
4. Can this valve be used with water-based fluids?
No. Despite having FKM seals, this valve is not designed for water-based fluids (HFA, HFB, HFC). The internal materials and design are optimized for oil-based hydraulic fluids. Using water-based fluids may cause corrosion of internal components, reduced performance, and premature failure. Always use the fluid type specified in the manufacturer's technical documentation.
5. What maintenance practices are recommended for long-term reliability?
Recommended maintenance includes: regular monitoring of hydraulic oil cleanliness (replace filters as needed), periodic inspection of electrical connections for corrosion or looseness, checking for external leaks around seals and connections, and verifying pressure response characteristics. For systems operating in harsh conditions or with phosphate ester fluids, more frequent inspections are advised. If performance degrades, the valve may need cleaning or component replacement. Always follow the manufacturer's recommended maintenance intervals.