This proportional pressure relief valve DBETR regulates pressure in proportion to the electrical command value. DBTR valve is widely used in closed systems with remote control system pressure. Huade’s DBETR valves use the same standards as Rexroth products. This proportional pressure valve DBETR can replace products in the same series, and the price is relatively affordable.
Proportional Pressure Relief Valve DBETR
TECHNICAL REPLACEMENT NOTICE
This Huade® directional control valve serves as a 100% direct drop-in replacement for Bosch Rexroth PROPORTIONAL-PRESSURE-RELIEF-VALVE-DBETR equivalents. Dimensions, mounting interfaces, and technical parameters are identical. Designed for cost reduction in industrial and mobile hydraulic systems.
• Product features:Good repeatability,
• Specifications:Proportional Pressure Relief Valve DBETR series,
• Applications: light industry, machine tools, metallurgy,
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100% Genuine Huade
Direct factory authorized supply
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ISO 4401 Mounting
ISO 4401 / Rexroth interchangeable
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Secure Packaging
Sealed rust-proof global shipping
Technical Data Sheet
- Product Overview
- Features & Applications
- Technical Parameters
Product Overview
Key Features
- Low hysteresis
- Good repeatability,
- Electrical closed loop position control of spring pre-tension
- Proportional solenoid actuation with inductive position transducer (pressure balanced)
- Valve and electronic control from one source
Industrial Applications
- Proportional pressure relief valve DBETR is widely used in various fields such as light industry, machine tools, metallurgy, etc.
- The valve consists basically of a housing (1), proportional solenoid (2) with inductive posistional transducer (3),valve seat (4) and valve poppet(5)
- Pressure is set by adjusting the command value potentiometer (0 to 9 V). Adjusting the command value causes tensioning of the compression spring via the electronic controls and the proportional solenoid (2). Tensioning of the compression spring (6), i.e. the position of the spring plate (7), is determined by the inductive positional transducer(3). Any deviations from the command value are corrected by the closed loop positional control.
- The use of this principle eliminates the effect of solenoid friction.
- Advantages:
- Low hysteresis
- Good repeatability
- Symbols of Proportional Pressure Relief Valve DBETR
Technical Parameters
Mechanical ratings and operating limits for the Proportional Pressure Relief Valve DBETR:
| Parameter / Dimension Name | Value / Rating Specification |
|---|---|
| Hydraulic | Hydraulic |
| Max. settable pressure(MPa) - Pressure stage 2.5 MPa - 2.5 | 2.5 |
| Max. settable pressure(MPa) - Pressure stage 8.0 MPa - 8 | 8 |
| Max. settable pressure(MPa) - Pressure stage 18.0 MPa - 18 | 18 |
| Max. settable pressure(MPa) - Pressure stage 31.5 MPa - 31.5 | 31.5 |
| Min. settable pressure (MPa) - (see characteristic curves) | (see characteristic curves) |
| Max.Operating pressure (MPa) - port T (with pressure adjusting) - 0.2 | 0.2 |
| Max.Operating pressure (MPa) - port T(without pressure adjusting) - 10 | 10 |
| Max.Operating pressure (MPa) - port P - 31.5 | 31.5 |
| Max.flow (L/min) - Pressure stage 25 - 10 | 10 |
| Max.flow (L/min) - Pressure stage 80 - 3 | 3 |
| Max.flow (L/min) - Pressure stage 180 - 3 | 3 |
| Max.flow (L/min) - Pressure stage 315 - 2 | 2 |
| Degree of contamination (μm) - ≤20 (recommendation 10) | ≤20 (recommendation 10) |
| Hysteresis (%) - < 1 of max. settable pressure | < 1 of max. settable pressure |
| Repeatability (%) - < 0.5 of max.settable pressure | < 0.5 of max.settable pressure |
| Linearity (%) - 180; Pressure stage from 3 to 18 MPa - ≤ 1.5 of max.settable pressure | ≤ 1.5 of max.settable pressure |
| Linearity (%) - 315; Pressure stage from 6 to 31.5MPa - ≤ 1.5 of max.settable pressure | ≤ 1.5 of max.settable pressure |
| Typical variation (%) - Valve - ± 3 of max. settable pressure | ± 3 of max. settable pressure |
| Typical variation (%) - Electrical control - ＜0.5 | ＜0.5 |
| Stepped response 0 to 100% (ms) - - Response time(Pmin-Pmax) | Response time(Pmax-Pmin) |
| - Pressure stage 2.5 and 18MPa 0 to100 - 100 | 50 |
| - Pressure stage 31.5MPa 0 to100 - 150 | 100 |
| Pressure fluid - Mineral oil(for NBR seal),Phosphate ester (for FPM seal) | Mineral oil(for NBR seal),Phosphate ester (for FPM seal) |
| Viscosity range (mm2/s) - 2.8 to 380 | 2.8 to 380 |
| Pressure fluid temperature range (°C) - -20 to+70 | -20 to+70 |
| Installation position - optional | optional |
| Weight (kg) - 4 | 4 |
