PROPORTIONAL PRESSURE RELIEF VALVE DBET-6X/350YG24-8K4V
Manufacturer: Bosch Rexroth
Material #: R901443821
Model : DBET-6X/350YG24-8K4V
***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Bosch Rexroth directly.***
The Bosch Rexroth DBET-6X/350YG24-8K4V (R901443821) is a direct-operated proportional pressure relief valve designed with seat architecture for effective system pressure limitation. The valve is engineered to deliver precise control by converting electrical signals into mechanical force, which regulates the hydraulic flow and system pressure. It features a proportional solenoid with central thread and a detachable coil, ensuring reliable performance and ease of maintenance.
This high-performance industrial hydraulic valve supports subplate mounting and conforms to ISO connection diagram standards, including NFPA T3.5.1 R2 D03 SizeCETOP 3. With its robust construction, the DBET-6X/350YG24-8K4V can handle a maximum operating pressure of up to 350 bar and is capable of accommodating a maximum flow rate as specified in its technical documentation.
The valve's electrical actuation requires an external amplifier and operates on a supply voltage of 24 VDC, connecting via an electrical connector with Connector pole + PE according to EN 175301-803 standards. The type of actuation is electrical with external electronics, which allows for fine-tuning of command value pressure characteristic curves through adjustable ramps.
Suitable for various hydraulic fluids such as HL, HLP, HLPD, HVLP, HVLPD, HETG, HEES, HEPG, HFDU, and HFDR, the DBET-6X/350YG24-8K4V ensures compatibility across a wide range of applications while offering reliable performance thanks to its FKM seals. With its number of ports and switching positions detailed in the specifications, this Bosch Rexroth valve stands out for its precision in controlling system pressures within demanding industrial environments.
$1,794.00 USD
More are expected on October 1, 2024
Status: This product is temporarily out of stock.
Qty: Delivered as early as October 1, 2024 when ordered in
This product is eligible for factory repair.
Size 6, P → T, P → Y, electrical with external amplifier, 24 V DC
Industrial hydraulic valve in a high performance range. Reliable limitation of the pressure to the command value signal.
Unpacked Weight: 1.4 kg
Direct operated valve for limiting a system pressure Proportional solenoid operation Proportional solenoid with central thread and detachable coil For subplate mounting: Porting pattern according to ISO 4401 Amplifier in modular design, Euro-card format and as plug-in amplifier Individually adjustable upwards and downwards ramp, fine adjustment of the command value pressure characteristic curve
General information
Proportional pressure relief valves of type DBET are remote control valves with seat design and are used for system pressure limitation. Operation by means of a proportional solenoid with central thread and detachable coil. The interior of the solenoid is connected to port T or Y and is filled with the hydraulic fluid. Dependent on the electric command value, these valves can be used to steplessly set the system pressure to be limited. The valves mainly consist of the housing (1), a proportional solenoid (2), the valve seat (3) and the valve poppet (4).
Basic principle
For the setting of the system pressure, a command value is specified at the control electronics. Dependent on the command value, the electronics actuate the solenoid coil with electric current. The proportional solenoid converts the electric current into mechanical force that acts on the valve poppet (4) via the armature plunger (5). The valve poppet (4) pushes onto the valve seat (3) and blocks the connection between port P and T or Y. If the hydraulic force on the valve poppet (4) equals the solenoid force, the valve controls the set pressure by lifting the valve poppet (4) off the valve seat (3) and thus enabling hydraulic fluid to flow from port P to T or Y. If the command value is zero, the control electronics only apply the minimum control current to the proportional solenoid (2) and the minimum set pressure is set.
Type DBET
(measured with HLP46, ϑOil = 40 ±5 °C)
Pressure in port P dependent on the command value (flow = 0.8 l/min)
| 1) | 1) With valve type DBET, the manufacturing tolerance at the external amplifier can be changed using the command value attenuator potentiometer "Gw". The digital amplifier is set using the "Limit” parameter. Here, the control current according to the technical data must not be exceeded. In order to be able to adjust several valves to the same characteristic curve, do not set the pressure higher than the maximum set pressure of the pressure rating with command value 100%. |
Pressure in port P dependent on command value /Comparison DBET series 5X-6X / Pressure rating 200 bar (with amplifier VT-VSPA-1-1X with 800 mA coil)
Current drop with increasing ambient temperature, 24 V and 100% duty cycle
| 1) |
Notice: With increased temperature, the solenoid current will drop. Thus, the set pressure differs accordingly. |
Pressure rating 50 bar
Pressure rating 100 bar
Pressure rating 200 bar
Pressure rating 315 bar
| 1) | In case of characteristic curve 5, the command value may not exceed the maximum flow of 1.4 l/min |
Pressure rating 350 bar
| 1) | In case of characteristic curve 5, the command value may not exceed the maximum flow of 0.8 l/min |
Pressure rating 420 bar
| 1) | In case of characteristic curve 5, the command value may not exceed the maximum flow of 0.8 l/min |
Pressure rating 50 bar
Pressure rating 100 bar
Pressure rating 200 bar
Pressure rating 315 bar
Pressure rating 350 bar
Pressure rating 420 bar
Notice:
The characteristic curves were measured without counter pressure in port T. (Pt = 0 bar)
Minimum control current ≤ 100 mA
(This current is reached with a command value of 0 V and/or 4 mA.)
Pilot oil return, internal
Pilot oil return, external
Connection at mating connector
Connection at the connector
Dimensions in mm
|
1 |
Proportional solenoid |
|
2 |
Valve housing |
|
3 |
Name plate |
|
4 |
Identical seal rings for ports A, B, P, and T |
|
5 |
mating connector according to DIN EN 175301-803 |
|
6 |
Space required to remove the mating connector |
|
7 |
Blind counterbores A and B |
|
8 |
With version ..Y.. (external pilot oil return) port Y is internally connected to port T. Port T is not plugged. |
|
9 |
Machined valve contact surface; porting pattern according to ISO 4401-03-02-0-05 |
Recommended valve mounting screws (separate order):
4 hexagon socket head cap screws ISO 4762 - M5 x 45 - 10.9-flZn-240h-L
Tightening torque MA = 7 Nm ± 10%; material no. R913000140
Mating connectors for valves with connector “K4”, without circuitry, standard
3P Z4
Mating connectors for valves with connector “K4”, without circuitry, standard
3P Z4
For valves with connector “K4” according to EN 175301-803 and ISO 4400, 2-pole + PE, “large cubic connector” Mating connectors for valves with one or two solenoids (individual connection)Data sheet
Spare parts & repair
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