Артикул: RX7668
Proportional pressure reducing valve, pilot-operated, with inductive position transducer DREB6X
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Description
- Size 6
- Component series 1X
- Max. operating pressure 315 bar
- Flow, max. 40 l/min
Features
- Pilot-operated valves for system pressure reduction at the actuator (internal pilot oil supply only)
- 3-way version
- Adjustable via the position of the solenoid armature in relation to the compression spring
- Position-controlled, minimum hysteresis < 1%, short actuating times
- Maximum pressure limitation, even with defective electronics
- For subplate mounting: Porting pattern according to ISO 4401
Product description
Proportional pressure reducing valves of type DREB6X are pilot-operated; the main stage is a 3-way version. The pilot control valve (DBV pilot stage) has a flow-controlled internal pilot oil supply via P. Operation is effected by means of proportional solenoid which is position-controlled and acts on a spring. This results in short actuating times with minimum hysteresis. Dependent on the solenoid current, the pressure in A (actuator) can be steplessly set and reduced using these valves.
Type code
| 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | |||
| DREB6 | X | – | 1X | / | M | G24 | – | 25 | Z4 | M | * |
| 01 | Proportional pressure reducing valve in 3-way version with inductive position transducer, pilot-operated | DREB6 |
| 02 | Porting pattern according to ISO 4401-03-02-0-05 | X |
| 03 | Component series 10 ... 19 (10 ... 19: unchanged installation and connection dimensions) | 1X |
| Maximum pressure rating | ||
| 04 | Up to 75 bar | 75 |
| Up to 175 bar | 175 | |
| Up to 310 bar | 310 | |
| 05 | Without check valve | M |
| Supply voltage of the control electronics | ||
| 06 | Direct voltage 24 V | G24 |
| Solenoid type (current) | ||
| 07 | Solenoid current maximum 2.5 A | 25 |
| Electrical connection | ||
| 08 | Connector according to DIN 43650-AM2 | Z4 |
| 09 | NBR seals, suitable for mineral oil HL and HLP according to DIN 51524 | M |
| 10 | Further details in the plain text | * |
Technical data
general
| Type | DREB6X | |
| Size | 6 | |
| Component series | 1X | |
| Installation position | any | |
| Weight | kg | 2.4 |
| Ambient temperature range | °C | -20 … +50 |
hydraulic
| Type | DREB6X | ||
| Size | 6 | ||
| Maximum operating pressure | bar | 315 | |
| Maximum operating pressure | Port P | bar | 315 |
| Port T | bar | 250 | |
| Pilot flow | l/min | ≈ 0.6 | |
| Maximum flow | l/min | 40 | |
| Hydraulic fluid temperature range | °C | -20 … +80 | |
| Viscosity range | mm²/s | 10 … 800 | |
| Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) 1) | Class 18/16/13 according to ISO 4406 (c) | ||
| Hysteresis | % | ≤ 1 | |
| Manufacturing tolerance of the command value pressure characteristic curve | % | ≤ 10 | |
| 1) | The cleanliness classes specified for the components must be adhered to in hydraulic systems. Effective filtration prevents faults and simultaneously increases the life cycle of the components. For the selection of the filters, see www.boschrexroth.com/filter. |
electrical
| Type | DREB6X | ||
| Maximum solenoid current | A | 2.5 | |
| Solenoid coil resistance | Cold value at 20 °C | Ω | 3 |
| Duty cycle | % | 100 | |
| Protection class according to DIN EN 60529 | IP65 | ||
Downloads
 | Proportional pressure reducing valve, pilot operated, with inductive position transducer Type DREB6X Data Sheet | RE29182 | 2005-07-01 | English | PDF | 261k Product Groups: Pilot operated |
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