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DBET-61/100YG24K4V Proportional relief valve made in Germany by Rexroth
This model differs from the DBET-61/100YG24K4M in seal material (V indies FKM seals, M indies NBR seals), while other core parameters remain essentially identical.
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 indies FKM (Viton®) seals, while "M" indies 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.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Total Annual:
1 million-10 millon
Employee Number:
>50
Ecer Certification：
Verified Supplier
Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha... Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha...
