DBETBX/DBETX Series Proportional Relief Valves
Product Overview
The DBETBX and DBETX series proportional relief valves are direct-acting, electrically controlled pressure control valves designed for industrial hydraulic systems. These valves provide precise proportional pressure regulation with integrated position feedback capability, suitable for applications requiring accurate pressure control in various industrial equipment.
New Model Release Details
DBETBX-1X/315G24-37Z4M-38
| Release Date | 2025-Q1 |
| Maximum Pressure | 315 bar |
| Coil Voltage | DC 24V |
| Coil Current | 3.7A |
| Electrical Connection | DIN 43650-AM2 plug (Z4) |
| Seal Material | NBR (M) |
| Special Feature | -38 suffix (enhanced EMC/EMI protection) |
| Mounting Interface | ISO 4401-03-02-0-05 |
Application Notes: High pressure version with improved electromagnetic compatibility for demanding industrial environments
DBETBX-1X/80G24-16Z4M-37
| Release Date | 2024-Q4 |
| Maximum Pressure | 80 bar |
| Coil Voltage | DC 24V |
| Coil Current | 1.6A |
| Electrical Connection | DIN 43650-AM2 plug (Z4) |
| Seal Material | NBR (M) |
| Special Feature | -37 suffix (specific control characteristic) |
| Mounting Interface | ISO 4401-03-02-0-05 |
Application Notes: Medium pressure version with optimized control characteristics
DBETBX-1X/80G24-37Z4M-38
| Release Date | 2025-Q1 |
| Maximum Pressure | 80 bar |
| Coil Voltage | DC 24V |
| Coil Current | 3.7A |
| Electrical Connection | DIN 43650-AM2 plug (Z4) |
| Seal Material | NBR (M) |
| Special Feature | -38 suffix (enhanced EMC/EMI protection) |
| Mounting Interface | ISO 4401-03-02-0-05 |
Application Notes: Medium pressure version with high current coil and enhanced EMC features
DBETX-1X/315G24-8NZ4M
| Release Date | 2024-Q3 |
| Maximum Pressure | 315 bar |
| Coil Voltage | DC 24V |
| Coil Current | 0.8A (8N indicates 0.8A coil) |
| Electrical Connection | DIN 43650-AM2 plug (Z4) |
| Seal Material | NBR (M) |
| Mounting Interface | ISO 4401-03-02-0-05 |
Application Notes: High pressure version with low current coil for applications with limited amplifier output capability
This model belongs to the DBETX series, which shares similar design principles with DBETBX but may have different performance characteristics
Technical Features
- Direct-Acting Design: Cone valve structure for fast response and precise pressure control
- Proportional Control: 0-10V or 4-20mA input signal for continuous pressure adjustment
- Position Feedback: Integrated LVDT for closed-loop control capability (DBETBX series)
- Standard Mounting: ISO 4401-03-02-0-05 interface
- Seal Options: Standard NBR seals (M), other materials available on request
- Environmental Protection: IP65 rating standard
- Pressure Range: Multiple pressure ratings from 80 bar to 315 bar
- Coil Options: Various current ratings (0.8A, 1.6A, 3.7A) to match amplifier capabilities
- Option Codes: Suffix codes (-37, -38) for specific application requirements
Frequently Asked Questions
Q1: What is the difference between DBETBX and DBETX series?
A: The DBETBX series typically features integrated position feedback (LVDT) for closed-loop control, while the DBETX series may be a standard proportional relief valve without position feedback or with different performance characteristics. The exact differences depend on the specific model and manufacturer's product line. Always refer to the technical documentation for the specific model.
Q2: What do the suffix codes (-37, -38) represent?
A: The suffix codes indicate specific performance options or special features. -37 typically refers to optimized control characteristics or specific performance parameters, while -38 often denotes enhanced electromagnetic compatibility (EMC/EMI protection). The exact meaning may vary by manufacturer, so consult the product data sheet for specific details.
Q3: What is the typical response time for these valves?
A: Response time varies by model and coil current. Standard models typically achieve 90% of set pressure within 50-100ms. Higher current coil versions (3.7A) may achieve faster response times (30-50ms), while lower current coils may have slightly slower response. The DBETX series without position feedback may have different response characteristics.
Q4: Can these valves be used with different hydraulic fluids?
A: Standard models with NBR seals are compatible with mineral-based hydraulic oils (ISO VG 32-68). For other fluids (water-glycol, HFD, phosphate ester, etc.), special seal materials may be required. Always check the product documentation for fluid compatibility and consult with technical support for specific applications.
Q5: What is the meaning of "8N" in the coil current designation?
A: In this naming convention, "8N" typically represents a 0.8A coil current. The "N" may indicate a specific coil type or performance characteristic. This lower current coil is suitable for applications where the control amplifier has limited output capability or where lower power consumption is desired.
Ordering Information
All models are available through authorized distribution channels. When ordering, please provide the complete model number including all suffixes. Standard delivery time is 4-8 weeks, depending on model and options. Custom configurations may require additional lead time.
Note: Specifications are subject to change without notice. Always consult the latest product documentation for technical details and application guidelines. The information provided here is for reference purposes only.
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