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Description
- Size 6
- Component series 1X
- Maximum operating pressure 250 bar
- Maximum flow 35 l/min
Features
- Sandwich plate valve
- Porting pattern according to DIN 24340 form A
- Load compensation in channel P → A or P → B by installed shuttle valve
- 2-way version "P"
- Flow control in case of interaction with proportional directional valve
Product description
Valves of type ZDC are direct operated supply pressure compensators in 2-way version.
As with all throttle cross-sections, the flow of proportional throttle valves and directional valves depends on the pressure differential Δp.
The effect of a load-compensated, electrical flow control valve results from the combination of throttle valve (measuring throttle) and pressure compensator which keeps the pressure differential Δp at the measurement throttle constant. The pressure differential is determined by the pressure compensator spring and depending on the selected design, it ranges between 8 and 25 bar.
The combination of a proportional directional valve with a pressure compensator results in the effect of a flow control valve for 2 directions. The changing load pressure is to be scanned via a shuttle valve. If pulling loads result during deceleration of mass, counterholding valves are to be provided.
Type code
| 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | ||
| Z | DC | 6 | X | - | 1X | / | M | * |
| 01 | Sandwich plate valve | Z |
| 02 | Meter-in pressure compensator | DC |
| 03 | Size 6 | 6 |
| 04 | Porting pattern according to DIN 24340 form A | X |
| 05 | Load compensation in channel P | P |
| Load compensation in channel A | A | |
| 06 | Component series 10 ... 19 (10 ... 19: unchanged installation and connection dimensions) - Size 10 | 1X |
| Pressure differential | ||
| 07 | 8 bar | 8 |
| 14 bar | 14 | |
| 25 bar | 25 | |
| Seal material | ||
| 08 | NBR seals | M |
| 09 | No special version | no code |
| Special setting with directional valve 4WRPE | -291 | |
| Control in P on component side; supply optionally A or P; pilot pressure from B | -287 | |
| Flow in A; pilot pressure from T | -292 | |
| 10 | Further details in the plain text | * |
Technical data
allgemein
| Nenngröße | 6 | |
| Geräteserie | 1X | |
| Einbaulage | Any | |
| Masse | kg | 1.5 |
hydraulisch
| Maximaler Betriebsdruck | bar | 250 |
| Maximum flow 1) | l/min | 35 |
| Druckflüssigkeitstemperaturbereich | °C | -20 … +70 |
| Maximal zulässiger Verschmutzungsgrad der Druckflüssigkeit; Reinheitsklasse nach ISO 4406 (c) 2) | Class 20/18/15 | |
| Viskositätsbereich | mm²/s | 15 … 380 |
| 1) | depending on the pressure differential |
| 2) | 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 oils and related hydrocarbons | HL, HLP, HLPD, HVLP, HVLPD | NBR | DIN 51524 |
| Important information on hydraulic fluids: For more information and data on the use of other hydraulic fluids please contact us. There may be limitations regarding the technical valve data (temperature, pressure range, life cycle, maintenance intervals, etc.). | |||
Diagrams/characteristic curves
(measured with HLP46, ϑOil = 40 ±5 °C)
Flow control P → A, P → B
Flow control P → A, P → B
Symbols/Circuit diagrams
Type ZDC..P-2X/...-291
Type ZDC..P-2X/...-292
Type ZDC..P-2X/...-292
Dimensions
Dimensions in mm
| ➀ | component side - porting pattern according to DIN 24340 form A |
| ➁ | plate side - porting pattern according to DIN 24340 form A |
| 1 | Name plate |
| 2 | Valve mounting bores |
| 3 | Identical seal rings for ports A, B, P, and T |
| Valve mounting screws (separate order) | |
Downloads
 | Supply pressure compensator, direct operated Data Sheet | RE29231 | 2011-09-01 | English | PDF | 820k Product Groups: Proportional, high-response and servo valve accessories Type ZDC |
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