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Description
- Size 6
- Component series 1X
- Maximum operating pressure 315 bar
- Maximum flow 60 l/min
Features
- For subplate mounting
- 3 pressure-adjustment elements, optionally:
• Sleeve with internal hexagon
• Rotary knob, lockable, with scale
• Rotary knob with scale
Product description
General
Pressure valves of type DB 6 D are direct operated pressure relief valves.
They are used for limiting the system pressure.
The pressure relief valves basically consist of the main valve (1) with main spool insert (2) and the pressure adjustment element (3).
The pressure applied to channel P acts on the main spool (2).
If the pressure in channel P exceeds the value set at the spring (5), the poppet (4) opens against the spring (5) and the main spool (2) is free to move accordingly against the spring. So hydraulic fluid flows over the control edge (6) out of channel P to T.
Type code
| 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | ||
| DB | 6 | D | W | – | 1X | / | V | * |
| 01 | Pressure relief valve | DB |
| 02 | Size 6 | 6 |
| 03 | direct operated | D |
| 04 | Pressure limitation in channel P | P |
| Pressure limitation in channel P and B | PB | |
| 05 | Connection porting pattern according to ISO 6264 | W |
| Adjustment elements | ||
| 06 | Sleeve with internal hexagon | 2 |
| Rotary knob, lockable, with scale 1) | 3 | |
| Rotary knob with scale | 7 | |
| 07 | Component series 10 ... 19 (10 ... 19: unchanged installation and connection dimensions) | 1X |
| 08 | max. adjustable pressure | 80 |
| max. adjustable pressure | 160 | |
| max. adjustable pressure | 315 | |
| 09 | FPM seals (other seals upon request) | V |
| Observe compatibility of seals with hydraulic fluid used. | ||
| 10 | Adjustment, horizontal | no code |
| Adjustment, vertical | W65 | |
| 11 | Further details in the plain text | * |
| 1) 2H key is included in the scope of delivery |
Technical data
general
| Size | 6 | ||
| Weight | horizontal | kg | 1.4 |
| Vertical | kg | 1.1 | |
| Installation position | any | ||
| Ambient temperature range | °C | -25 … +50 | |
| Anschlussart | Plate connection, porting pattern NG6, ISO 6264 | ||
hydraulic
| Size | 6 | |
| Maximum operating pressure | bar | 315 |
| Maximum set pressure | bar | 80 160 315 |
| Maximum flow | l/min | 60 |
| Hydraulic fluid | see table | |
| Hydraulic fluid temperature range | °C | -25 … +80 |
| Seals | FPM (Viton® Dupont) | |
| Viscosity range | mm²/s | 10 … 500 |
| Maximum admissible degree of contamination of the hydraulic fluid 1) | Class 20/18/15 according to ISO 4406 (c) | |
| 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. |
| Hydraulic fluid | Classification | Suitable sealing materials | Standards | |
| Mineral oil | HL, HLP | FKM, NBR | DIN 51524 | |
| Bio-degradable | Insoluble in water | HEES (synthetic esters) | FKM | VDMA 24568 |
| HETG (rape seed oil) | FKM, NBR | |||
| Soluble in water | HEPG (polyglycols) | FKM | VDMA 24568 | |
| Other hydraulic fluids on request | ||||
(For applications outside these values, please consult us!)
Diagrams/characteristic curves
(ν = 35 mm2/s)
Setting, horizontal
p = 80 bar
Setting, vertical
p = 80 bar
Setting, horizontal
p = 160 bar
Setting, vertical
p = 160 bar
Setting, horizontal
p=315 bar
Setting, vertical
p=315 bar
Dimensions
Dimensions in mm
Dimensions in mm
Ordering codes
Results 1-6 of 6Description A-ZSort by- Description A-Z
- Description Z-A
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