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Cartridge valve Mounting cavity R/ISO 7789-33-01-0-98 Pilot-operated proportional valve for system pressure limitation Suitable for mobile and industrial applications Actuation by proportional solenoid with central thread and detachable coil Fine adjustment of the command value pressure characteristic curve possible from the outside at the control electronics Via an adjustment screw, the valve is set to maximum pressure In the event of a power failure, maximum set pressure becomes effective
Type KBVS valves are pilot-operated proportional pressure relief valves in seat design and are used for limiting the pressure in hydraulic systems. They mainly consist of the screwed in proportional pilot control valve and the main valve. Dependent on the electric command value, these valves can be used to steplessly set the system pressure to be limited. At command value 0 or in the event of a power failure, the maximum pressure is set (fail-safe behavior).
| Screw-in cartridge valve |
| Maximum operating pressure 350 bar (5000 psi) |
| Maximum flow 200 l/min (53 gpm) |
| Cavity R/ISO 7789-33-01-0-98 |
| Data Sheet | Download Data Sheet |
| Max. pressure | 350 |
| Coil | GP37 |
| Product family classification | Proportional pressure relief valve, pilot operated, decreasing characteristic curve |
| Productgroup ID | 9,10,11,12,13,14 |
| Product family type | KBVS |
| Ports number | 2 |
| Type of actuation | Electro-proportional |
| Sealing material | FKM |
| Cavity | R/ISO 7789-33-01-0-98 |
| Product type | KBVS |
| Electrical connector | AMP Junior Timer |
| Max. flow | 200 |
| Type of connection | Screw-in cartridge valve |
| Normal position | Normally closed |
| Nominal flow | 200 |
| Direct - Pilot | Pilot operated |
| Product family | Relief |
| Supply voltage | 24 V DC |
| Coil integrated | Integrated coil |
| Spool Poppet | Poppet type |
| Weight | 0.7049 |
| Hydraulic fluid | HL,HLP,HEES,HEPG |
|
01 |
02 |
03 |
04 |
05 |
06 |
07 |
08 |
09 |
10 |
11 |
12 |
|
|
KBVS |
3 |
B |
A |
/ |
L |
C |
V |
* |
|
01 |
Proportional pressure relief valve, pilot-operated |
KBVS |
|
Pressure rating |
||
|
02 |
Up to 50 bar |
C |
|
Up to 100 bar |
F |
|
|
Up to 150 bar |
H |
|
|
Up to 210 bar |
L |
|
|
Up to 250 bar |
N |
|
|
Up to 315 bar |
P |
|
|
Up to 350 bar |
R |
|
|
03 |
Component size |
3 |
|
04 |
Maximum pressure at command value = 0 |
B |
|
05 |
Component series |
A |
|
06 |
High Performance and mounting cavity R/ISO 7789 (see Mounting cavity) |
L |
|
07 |
Proportional solenoid, wet-pin |
C |
|
Power supply |
||
|
08 |
Control electronics 12 V DC |
G12 |
|
Control electronics 24 V DC |
G24 |
|
|
Electrical connection |
||
|
09 |
Without mating connector, with connector according to DIN EN 175301-803, separate order |
K4 |
|
Without mating connector, with connector DT 04 - 2PA (Deutsch plug) |
K40 |
|
|
Without mating connector, with connector AMP Junior-Timer |
C4 |
|
|
Seal material |
||
|
10 |
FKM seals |
V |
|
11 |
Standard version |
no code |
|
800 mA coil |
-8 |
|
|
12 |
Further details in the plain text |
* |
For applications outside these parameters, please consult us!
|
Type |
KBVS.3BA | |
|
Size |
3 | |
|
Component series |
A | |
|
Installation position |
any - if it is ensured that no air can collect upstream of the valve. Otherwise, we recommend suspended installation of the valve. | |
|
Earth |
kg |
0.7 |
|
Storage temperature range |
°C |
-20 … +80 |
|
Ambient temperature range |
°C |
-20 … +120 |
|
Size |
3 | ||
|
Maximum operating pressure |
bar |
350 | |
|
Port P 1) |
bar |
350 | |
|
Port T |
bar |
210 | |
|
Maximum flow |
l/min |
200 | |
|
Hydraulic fluid temperature range |
°C |
-20 … +80 | |
|
Viscosity range |
mm²/s |
12 … 800 | |
|
Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) 2) |
Class 20/18/15 according to ISO 4406 (c) | ||
|
Hysteresis 3) |
% |
< 4 | |
|
Manufacturing tolerance of the command value pressure characteristic curve, related to the hysteresis characteristic curve, pressure increasing 3) |
% |
< 5 | |
| 1) | Attention! The maximum operating pressure is added up from the set pressure and the return flow pressure. |
| 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. |
| 3) | Of the maximum set pressure |
|
Type |
KBVS.3BA | |
|
Duty cycle |
% |
100 |
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