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DBETBEX-1X/250G24k31A1M Proportional original pilot operated relief valve from Rexroth, Germany

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DBETBEX-1X/250G24k31A1M Proportional original pilot operated relief valve from Rexroth, Germany

DBETBEX-1X/250G24k31A1M Proportional original pilot operated relief valve from Rexroth, Germany
DBETBEX-1X/250G24k31A1M Proportional original pilot operated relief valve from Rexroth, Germany DBETBEX-1X/250G24k31A1M Proportional original pilot operated relief valve from Rexroth, Germany

Large Image :  DBETBEX-1X/250G24k31A1M Proportional original pilot operated relief valve from Rexroth, Germany

Product Details:
Place of Origin: Germany
Brand Name: Rexroth
Certification: ISO
Model Number: DBETBEX-1X/250G24k31A1M
Payment & Shipping Terms:
Minimum Order Quantity: 1
Packaging Details: wooden box
Delivery Time: 2 weeks
Payment Terms: Western Union,T/T,D/P,D/A,L/C
Supply Ability: 100
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DBETBEX-1X/250G24k31A1M Proportional original pilot operated relief valve from Rexroth, Germany

Description
Maximum Operating Pressure​: 315 Bar Pressure Setting​: 250 Bar
Mounting Interface​: ISO 4401-03-02-0-05 Operating Temperature Range​: -20°C To +80°C
Protection Class​: IP65 (with Connector)
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Rexroth 250G24k31A1M valve

DBETBEX-1X/250G24k31A1M Proportional Pilot Operated Relief Valve
Proportional original pilot operated relief valve from Rexroth, Germany
Technical Specifications
Parameter Specification
Product Type Proportional Pressure Relief Valve with Integrated Electronics (OBE)
Series DBETBEX-1X
Nominal Size NG6 (ISO 4401)
Maximum Operating Pressure 315 bar
Pressure Setting 250 bar
Nominal Flow Rate 1 L/min
Control Voltage 24 V DC
Control Signal 0-10 V (A1 version)
Electrical Connection M12 connector (K31)
Seal Material NBR (standard)
Mounting Interface ISO 4401-03-02-0-05
Operating Temperature Range -20°C to +80°C
Fluid Compatibility Mineral-based hydraulic oils (ISO VG 15-68)
Weight Approx. 2.7 kg
Protection Class IP65 (with connector)
Response Time < 80 ms
Hysteresis < 0.2%
Linearity < ±3%
DBETBEX-1X/250G24k31A1M Proportional original pilot operated relief valve from Rexroth, Germany 0
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DBET-52/100G24K4M
Technical Information
Main Application
The DBETBEX-1X/250G24K31A1M is primarily used in hydraulic systems where precise and remote pressure control is required. Typical applications include industrial machinery, mobile equipment, and test benches that need variable pressure settings controlled by an electrical signal. Its integrated electronics allow for easy integration into automated systems without requiring external amplifiers.
Series Comparison
The main distinguishing feature is the pressure setting value of 250 bar (indicated by "250G" in the model code). Other series models may have different pressure settings (such as 80G, 180G), but share the same core specifications including nominal size (NG6), flow rate (1 L/min), electrical interface (M12 K31 connector), and integrated electronics. The mounting interface, operating temperature range, and fluid compatibility remain consistent across the series.
Electrical Connection and Wiring
The valve uses a 4-pin M12 connector (K31 type) for electrical connections. The standard pin assignment is:
  • Pin 1: +24V DC power supply
  • Pin 2: 0-10V command signal input
  • Pin 3: Ground (0V)
  • Pin 4: Not used (or signal ground, depending on configuration)
Ensure proper cable shielding and follow the manufacturer's wiring diagram for optimal performance. The connector provides IP65 protection when properly mated.
Troubleshooting Non-Responsive Valve
If the valve fails to respond, perform these basic checks:
  • Verify power supply: Confirm 24V DC is present at the connector
  • Check command signal: Use a multimeter to measure the 0-10V input signal
  • Inspect connections: Ensure the M12 connector is fully seated and not damaged
  • Check system pressure: Confirm hydraulic pressure is available at the valve inlet
  • Monitor LED indicator: Some versions have status LEDs that indicate power and signal status
If these checks don't resolve the issue, consult the technical manual for advanced diagnostics.
Maintenance for Long-Term Reliability
For optimal performance and longevity:
  • Regular fluid monitoring: Maintain hydraulic oil cleanliness to ISO 4406 class 20/18/15 or better
  • Periodic inspection: Check for external leaks, which may indicate seal wear
  • System filtration: Replace filters according to the system manufacturer's recommendations
  • Functional testing: Periodically verify pressure response against the command signal
  • Environmental protection: Keep the electrical connector clean and dry to maintain IP65 rating
No routine internal maintenance is typically required if the hydraulic system is properly maintained.

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