DBET-61/100YG24K4V Proportional Relief Valve
DBET-61/100YG24K4V Proportional relief valve made in Germany by Rexroth
This model differs from the DBET-61/100YG24K4M in seal material (V indicates FKM seals, M indicates NBR seals), while other core parameters remain essentially identical.
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 |
100 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 Model Variants
DBETE-6X/250YG24K31A1V
DBETE-6X/315G24K31A1M
DBETE-6X/315G24K31A1V
DBETE-6X/315G24K31F1M
DBETE-6X/315G24K31F1V
DBETE-6X/315YG24K31A1M
DBETE-6X/315YG24K31A1V
DBETE-6X/315YG24K31F1V
DBETE-6X/350G24K31A1V
DBETE-6X/350G24K31A1V=LB
DBETE-6X/350G24K31F1V
DBETE-6X/350YG24K31A1M
DBETE-6X/350YG24K31A1V
DBETE-6X/350YG24K31F1V
0811402036 DBETX-1X/50G24-8NZ4M
0811402018 DBETX-1X/80G24-8NZ4M
0811402017 DBETX-1X/180G24-8NZ4M
0811402019 DBETX-1X/250G24-8NZ4M
0811402016 DBETX-1X/315G24-8NZ4M
0811402034 DBETX-1X/50G24-25NZ4M
0811402030 DBETX-1X/80G24 25NZ4M
0811402031 DBETX-1X/180G24-25NZ4M
0811402035 DBETX-1X/250G24-25NZ4M
0811402032 DBETX-1X/315G24-25Z4M
0811402013 DBETBX-1X/28G24-37Z4M
0811402007 DBETBX-1X/80G24-37Z4M2
0811402003 DBETBX-1X/180G24-37Z4M
0811402001 DBETBX-1X/250G24-37Z4M2
0811402004 DBETBX-1X/315G24-37Z4M
Frequently Asked Questions
Q: What is the main difference between DBET-61/100YG24K4V and DBET-61/100YG24K4M?
A: The key difference is the seal material. The "V" suffix indicates FKM (Viton®) seals, while "M" indicates NBR seals. FKM seals offer superior chemical resistance and higher temperature tolerance, making the V version suitable for phosphate ester fluids and more demanding operating conditions. All other technical parameters remain essentially identical.
Q: What hydraulic fluids are compatible with this valve?
A: The DBET-61/100YG24K4V with FKM seals is compatible with mineral-based hydraulic oils (HL, HLP), synthetic fluids (HETG, HEES), and phosphate ester fluids. Always verify fluid compatibility with the specific seal material before use, and ensure the fluid meets the required cleanliness standards (typically ISO 4406 18/16/13 or better).
Q: Why is the pressure not responding to the control signal?
A: First, check the electrical connections to ensure the solenoid is receiving the correct 24V power supply and the control signal (0-10V or 4-20mA) is present. Verify that the external proportional amplifier is functioning properly. If electrical connections are correct, inspect for possible spool sticking due to contamination or internal leakage. Ensure hydraulic oil cleanliness meets the required standard.
Q: Can this valve be used with water-based fluids?
A: 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, reduced performance, and premature failure. Always use the fluid type specified in the technical documentation.
Q: What maintenance is required for long-term reliability?
A: Regular maintenance includes: monitoring hydraulic oil cleanliness (replace filters as needed), checking electrical connections for corrosion or looseness, inspecting for external leaks, and verifying pressure response characteristics periodically. If performance degrades, the valve may need cleaning or component replacement. For systems operating in harsh conditions, more frequent inspections are recommended.
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