Артикул: RX7369
3/2 directional spool valve, direct operated with solenoid actuation KKDER1 C/U (High Performance)
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Description
- Size 1
- Component series A
- Maximum operating pressure 350 bar
- Maximum flow 60 l/min
Features
- Direct-controlled directional slide valve with solenoid actuation
- Mounting cavity R/T-11A
- Flow possible in both directions
- Wet-pin DC solenoids
- Solenoid coil can be rotated
- With concealed manual override
Product description
Version "K4" (with mating connector)
Type KKDER1CA/HN9V
Version "C4"
General information
The 3/2 directional spool valves are direct operated, pressure-compensated screw-in cartridge valves. They control the start, stop and direction of flow and basically consist of a housing (1) with moveable socket (2), a control spool (5) and a return spring (4).
Function
In the de-energized condition, the control spool (5) is held in the initial position by the return spring (4). The control spool (5) is actuated by wet-pin DC solenoids (3). The symbols are realized by different spools (C or U). The main ports ➀, ➁ and ➂ can be loaded continuously with an operating pressure of 350 bar and the flow can be directed into both directions (see Symbols).
The manual override (6) allows for the switching of the valve without solenoid energization. It is also available in screwable version"N10" (7) (see Type keys).
Type code
(valve without coil)1)
| 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | |
| KKDE | R | 1 | A | / | H | V | * |
| 01 | Directional spool valve, direct operated, electrically operated | KKDE | |
| 02 | Maximum operating pressure 350 bar | R | |
| 03 | Size | 1 | |
| 04 | 3 main ports | ||
| Symbols 2) |  |  | C |
 |  | U | |
| 05 | Component series | A | |
| 06 | High Performance and mounting cavity R/T-11A (see mounting cavity) | H | |
| 07 | Without manual override | N0 | |
| With concealed manual override 3) | N9 | ||
| Seal material | |||
| 08 | FKM seals (other seals upon request) Observe compatibility of seals with hydraulic fluid used. | V | |
| 09 | Further details in the plain text | * | |
| 1) Complete valves with mounted coil on request. | |
| 3) Screwable manual override “N10” possible (material no. R901051231, separate order) |
Technical data
general
| Size | 1 | ||
| Installation position | any | ||
| Ambient temperature range | °C | -40 … +110 | |
| Weight | Valve | kg | 0.3 |
| Coil | kg | 0.25 | |
hydraulic
| Size | 1 | |
| Maximum operating pressure 1) | bar | 350 |
| Maximum flow | l/min | 60 |
| Hydraulic fluid | see table | |
| Hydraulic fluid temperature range | °C | -40 … +80 |
| Viscosity range | mm²/s | 4 … 500 |
| Maximum admissible degree of contamination of the hydraulic fluid 2) | Class 20/18/15 according to ISO 4406 (c) | |
| Fatigue strength according to ISO 10771 | 10 million (at 350 bar) | |
| 1) | At all ports |
| 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 | FKM | DIN 51524 | |
| Environmentally compatible | Insoluble in water | HEES | FKM | ISO 15380 |
| HEPR | FKM | |||
| Soluble in water | HEPG | FKM | ISO 15380 | |
| Containing water | Water-free | HFDU, HFDR | FKM | ISO 12922 |
| Containing water | HFAS | FKM | ISO 12922 | |
| Important information on hydraulic fluids!
Tank preloading 20% of the pressure differential. The pressure peaks should not exceed the maximum operating pressures!
| ||||
electrical
| Voltage type | Direct voltage | ||
| Power supply 1) | V | 12 24 | |
| Voltage tolerance against ambient temperature | see voltage tolerance characteristic curve | ||
| Power consumption | W | 22 | |
| Duty cycle | % | 100 | |
| Maximum coil temperature 2) | °C | 150 | |
| Switching time according to ISO 6403 | ON | ms | ≤ 80 |
| OFF | ms | ≤ 50 | |
| Maximum switching frequency | 1/h | 15000 | |
| Protection class according to DIN EN 60529 (VDE 0470-1), DIN 40050-9 | Version "K4" | IP65 (If a suitable and a correctly mounted mating connector are used.) | |
| Version "C4" | IP66 with mating connector mounted and locked IP69K with Rexroth mating connector (material no. R901022127) | ||
| Version "K40" | IP69K with mating connector mounted and locked | ||
| 1) | Other voltages upon request |
| 2) | Due to the surface temperatures of the solenoid coils, the standards ISO 13732-1 and EN 982 need to be adhered to! |
(For applications outside these values, please consult us!)
With the electrical connection "K4", the protective earthing conductor (PE, grounded) is to be connected in accordance with the stipulations.
Diagrams/characteristic curves
Voltage tolerance against ambient temperature; duty cycle
Voltage range and duty cycle dependent on the ambient temperature
(measured with HLP46, ϑoil = 40 ±5 °C) and 24 V coil
Δp-qV characteristic curves – Symbol C
Δp-qV characteristic curves – Symbol U
Performance limits (measured with HLP46, ϑOil = 40 ±5 °C and 24 V coil)
Symbol C
Attention!
The performance limit has been determined with the solenoids at operating temperature and with 10 % undervoltage.
Performance limits (measured with HLP46, ϑOil = 40 ±5 °C and 24 V coil)
Symbol U
Symbols/Circuit diagrams
Symbol “C”
Symbol “U”
Dimensions
load errorDownloads
 | 3/2-way directional spool valve, direct-operated, with solenoid actuation KKDE.1 Data Sheet | RE18136-04 | 2021-05-11 | English | PDF | 913k Product Groups: Direct operated, 3-way 2-position spool type Size 1, Series A |
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