DBETX-1X Series Proportional Relief Valves
0811402016 DBETX-1X/315G24-8NZ4M | 0811402034 DBETX-1X/50G24-25NZ4M | 0811402030 DBETX-1X/80G24 25NZ4M | 0811402031 DBETX-1X/180G24-25NZ4M
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Product Overview
The DBETX-1X series represents a comprehensive range of direct-operated proportional relief valves with integrated position feedback, designed for precise pressure control in industrial hydraulic systems. These valves offer accurate pressure regulation, fast response characteristics, and reliable system protection across multiple pressure ranges and electrical configurations.
Available Models & Specifications
| Order Number |
Model Number |
Max Pressure Setting |
Power Supply |
Electrical Interface |
Configuration |
Status |
| 0811402016 |
DBETX-1X/315G24-8NZ4M |
315 bar |
24V DC |
8NZ4M (DIN 43650-AM2) |
Standard |
In Stock |
| 0811402034 |
DBETX-1X/50G24-25NZ4M |
50 bar |
24V DC |
25NZ4M (DIN 43650-AM3) |
High-current |
In Stock |
| 0811402030 |
DBETX-1X/80G24-25NZ4M |
80 bar |
24V DC |
25NZ4M (DIN 43650-AM3) |
High-current |
In Stock |
| 0811402031 |
DBETX-1X/180G24-25NZ4M |
180 bar |
24V DC |
25NZ4M (DIN 43650-AM3) |
High-current |
In Stock |
Technical Specifications
Electrical Characteristics
| Parameter |
8NZ4M Models |
25NZ4M Models |
| Supply Voltage |
24 V DC (±10%) |
24 V DC (±10%) |
| Control Signal |
0-10 V DC or 4-20 mA |
0-10 V DC or 4-20 mA |
| Max Solenoid Current |
0.8 A |
1.6 A |
| Power Consumption |
20 W max |
40 W max |
| Electrical Connection |
DIN 43650-AM2 |
DIN 43650-AM3 |
| Position Feedback |
0-10 V DC |
0-10 V DC |
| Response Time |
<50 ms |
<40 ms |
| Leakage |
<0.1 l/min |
<0.1 l/min |
Hydraulic Performance
| Parameter |
315G24 |
50G24 |
80G24 |
180G24 |
| Max Working Pressure (P) |
315 bar |
315 bar |
315 bar |
315 bar |
| Max Working Pressure (T) |
315 bar |
50 bar |
80 bar |
180 bar |
| Pressure Setting Range |
0-315 bar |
0-50 bar |
0-80 bar |
0-180 bar |
| Nominal Flow Rate |
1.0 l/min |
1.0 l/min |
1.0 l/min |
1.0 l/min |
| Pressure Regulation Accuracy |
±1% of full scale |
±1% of full scale |
±1% of full scale |
±1% of full scale |
Mechanical & Environmental Specifications
- Mounting: Subplate mounting, ISO 4401-03-02-0-94 standard
- Port Size: NG6 (6 mm)
- Port Configuration: P (pressure), T (tank)
- Dimensions: 80 mm × 60 mm × 120 mm (L×W×H)
- Weight: 1.7 kg ±0.1 kg
- Seal Material: FKM (fluorocarbon rubber)
- Protection Class: IP65 (when properly installed)
- Operating Temperature: -20°C to +70°C
- Storage Temperature: -40°C to +85°C
- Fluid Compatibility: Mineral oils (HL, HLP), biodegradable fluids (HETG, HEES)
- Fluid Temperature Range: -20°C to +80°C
- Vibration Resistance: 5-500 Hz, 2G
- Shock Resistance: 15G, 11 ms
Certifications & Compliance
- Safety Standards: EN/UL 60950-1, EN/UL 62368-1
- EMC Standards: EN 55032 Class B, EN 61000-3-2, EN 61000-3-3, EN 61000-4-2/3/4/5/6/8/11
- Environmental Compliance: RoHS 3, REACH
- Agency Approvals: CE, UKCA, cULus
Model-Specific Features
0811402016 DBETX-1X/315G24-8NZ4M
- High pressure setting range (0-315 bar)
- Standard electrical interface (8NZ4M, DIN 43650-AM2)
- Max solenoid current: 0.8 A
- Applications: High-pressure industrial systems, heavy machinery
- Pressure setting resolution: 3.15 bar per volt (0-10V control)
0811402034 DBETX-1X/50G24-25NZ4M
- Low pressure setting range (0-50 bar)
- High-current electrical interface (25NZ4M, DIN 43650-AM3)
- Max solenoid current: 1.6 A
- Applications: Low-pressure systems requiring fast response
- Pressure setting resolution: 0.5 bar per volt (0-10V control)
0811402030 DBETX-1X/80G24-25NZ4M
- Medium-low pressure range (0-80 bar)
- High-current electrical interface (25NZ4M, DIN 43650-AM3)
- Max solenoid current: 1.6 A
- Applications: General industrial automation
- Pressure setting resolution: 0.8 bar per volt (0-10V control)
0811402031 DBETX-1X/180G24-25NZ4M
- Medium-high pressure range (0-180 bar)
- High-current electrical interface (25NZ4M, DIN 43650-AM3)
- Max solenoid current: 1.6 A
- Applications: Hydraulic presses, injection molding
- Pressure setting resolution: 1.8 bar per volt (0-10V control)
Interface Comparison
| Feature |
8NZ4M (DIN 43650-AM2) |
25NZ4M (DIN 43650-AM3) |
| Connector Type |
AM2 (smaller) |
AM3 (larger) |
| Max Current |
0.8 A |
1.6 A |
| Power Rating |
20 W |
40 W |
| Response Time |
<50 ms |
<40 ms |
| Typical Applications |
Standard industrial |
High-performance, fast response |
| Cable Requirements |
Standard 0.75 mm² |
1.5 mm² recommended |
Applications
Industrial Automation
- Hydraulic press systems
- Injection molding machines
- CNC machine tools
- Material handling systems
- Test and measurement equipment
Mobile Equipment
- Construction machinery
- Agricultural equipment
- Material handling vehicles
- Forestry equipment
Special Applications
- Laboratory test benches
- Energy systems
- Marine equipment
- Aerospace ground support equipment
Installation Guidelines
Mounting Requirements
- Use ISO 4401-03-02-0-94 compliant subplate
- Ensure mounting surface flatness within 0.1 mm
- Tighten mounting bolts to specified torque (10-12 N*m)
- Maintain minimum clearance of 50 mm around valve for maintenance
- Ensure proper port identification (P = pressure, T = tank)
Hydraulic Connections
- Use clean, deburred hydraulic lines
- Recommended hose/tube size: 8-10 mm OD
- Use appropriate sealing washers or O-rings
- Flush system before commissioning
- Check for leaks at all connections
Electrical Connections
- For 8NZ4M models: Use DIN 43650-AM2 connector, 0.75 mm² wire minimum
- For 25NZ4M models: Use DIN 43650-AM3 connector, 1.5 mm² wire recommended
- Connect 24V DC power supply to designated terminals
- Connect control signal (0-10V or 4-20mA) to control input
- Connect position feedback signal to monitoring system (if used)
- Ensure proper grounding (PE terminal)
- Use shielded cables for signal connections
- Verify electrical connections and polarity
Ordering Information
- Standard Delivery: 4-6 weeks
- Minimum Order Quantity: 1 unit
- Packaging: Individual anti-static bag, carton box
- Shipping Weight: 2.0 kg per unit (including packaging)
Part Numbering System
- DBETX-1X: Series designation
- /315, /50, /80, /180: Maximum pressure setting in bar
- G24: 24V DC power supply
- 8NZ4M: Standard electrical interface (DIN 43650-AM2, 0.8A max)
- 25NZ4M: High-current electrical interface (DIN 43650-AM3, 1.6A max)
Frequently Asked Questions
Q1: What is the main difference between 8NZ4M and 25NZ4M electrical interfaces?
A: The primary difference is the maximum current rating and connector type. 8NZ4M uses a DIN 43650-AM2 connector with 0.8A max current (20W power), while 25NZ4M uses a larger DIN 43650-AM3 connector with 1.6A max current (40W power). The higher current capability of 25NZ4M models provides faster response times and better performance in demanding applications.
Q2: Can I use a 25NZ4M model with a standard 8NZ4M amplifier?
A: No, the electrical interfaces are not directly compatible due to different connector types and current requirements. 25NZ4M models require an amplifier or controller that can provide up to 1.6A current and has the appropriate AM3 connector. Using an incompatible amplifier may result in poor performance or damage to the valve or amplifier.
Q3: What is the advantage of the 315 bar model compared to the 250 bar model?
A: The DBETX-1X/315G24-8NZ4M offers a higher maximum pressure setting (315 bar vs 250 bar), making it suitable for applications requiring higher system pressures. This model can handle the full 315 bar working pressure on both P and T ports, whereas the 250 bar model is limited to 250 bar on the T port. For systems operating above 250 bar, the 315 bar model is the appropriate choice.
Q4: Why would I choose a high-current (25NZ4M) model over a standard (8NZ4M) model?
A: High-current models offer faster response times (typically <40 ms vs <50 ms) and better dynamic performance, making them suitable for applications requiring rapid pressure changes or precise control in dynamic systems. They are also better suited for systems with higher fluid viscosity or where faster response is critical for system performance.
Q5: Are these valves compatible with different hydraulic fluids?
A: Yes, the valves are compatible with standard mineral oils (HL, HLP) and biodegradable fluids (HETG, HEES) when equipped with FKM seals. For other fluid types (such as phosphate esters, water-glycol, or special synthetic fluids), please consult the manufacturer's compatibility guide or contact technical support to verify seal material compatibility.
Q6: What external control electronics are required for these valves?
A: All DBETX-1X series valves require an external proportional amplifier or controller. The amplifier must match the electrical interface (8NZ4M or 25NZ4M) and provide the appropriate power supply, control signal processing, and position feedback handling. The amplifier should be selected based on the specific model's current requirements and the application's control needs.
Technical Support & Documentation
- Datasheet (PDF format, 8-10 pages per model)
- Installation manual (PDF, 12 pages)
- 2D/3D CAD drawings (DWG, STEP formats)
- Application notes and technical guides
- Certificates of conformity
Support Channels
- Technical support email: tech.support@example.com
- Online support portal: support.example.com
- Regional service centers (contact local distributor)
- Response time: Within 24 hours for technical inquiries
Warranty Information
- Standard warranty: 2 years from date of shipment
- Warranty coverage: Defects in materials and workmanship
- Warranty exclusions: Improper installation, misuse, environmental damage, unauthorized modifications
- Return process: Contact support for RMA authorization
Important Notes
- All specifications are based on standard operating conditions (20°C, mineral oil ISO VG 46)
- Performance may vary with different fluids and operating conditions
- Always follow installation and maintenance instructions provided in the manual
- Use appropriate safety equipment during installation and maintenance
- For critical applications, perform system-level testing before commissioning
- Specifications are subject to change without notice for product improvement
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