PROPORTIONAL PRESSURE RELIEF VALVE DBETE-6X/350G24K31F1V
Manufacturer: Bosch Rexroth
Material #: R901045248
Model : DBETE-6X/350G24K31F1V
***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 DBETE-6X/350G24K31F1V (R901045248) is a state-of-the-art industrial hydraulic valve designed for precise pressure limitation in hydraulic systems. This direct-operated, proportional pressure relief valve features integrated electronics and is characterized by its robust seat design, ensuring reliable performance in demanding applications. With a size 6 CETOP D subplate mounting interface, the valve adheres to ISO 4401 porting patterns for seamless integration into a variety of hydraulic circuits.
The DBETE-6X/350G24K31F1V operates by converting electrical signals into mechanical force through its proportional solenoid, which then adjusts the position of the valve poppet to control system pressure. The maximum operating pressure capability of this valve reaches up to 350 bar, while it can handle a maximum flow rate of up to 6 liters per minute, making it suitable for high-performance applications.
This model comes equipped with an electrical connection that includes a connector pole with PE according to EN 175301-803 standards, ensuring secure and reliable connections. The supply voltage required for operation is 24 VDC. The valve's design includes one switching position and has been calibrated at the factory to minimize manufacturing variations in the command value pressure characteristic curve.
The DBETE-6X/350G24K31F1V is compatible with a wide range of hydraulic fluids including HL, HLP, HLPD, HVLP, HVLPD, HETG, HEES, HEPG, HFDU, and HFDR. It also features FKM seals for enhanced durability and chemical resistance. Weighing in at approximately .7 kilograms, this valve is both compact and lightweight relative to its capabilities.
In summary, the Bosch Rexroth DBETE-6X/350G24K31F1V offers precise control over system pressures in industrial hydraulic applications with its advanced design and integrated electronic features. Its compatibility with various hydraulic fluids and adherence to industry standards make it an adaptable solution for sophisticated hydraulic control systems.
$2,321.00 USD
More are expected on October 21, 2024
Status: This product is temporarily out of stock.
Qty: Delivered as early as October 21, 2024 when ordered in
This product is eligible for factory repair.
Size 6, P → T, electrical with integrated electronics, 24 V DC
Industrial hydraulic valve in a high performance range. Reliable limitation of the pressure to the command value signal.
Unpacked Weight: 1.6 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
General information
Proportional pressure relief valves of type DBETE are remote control valves with seat design and integrated electronics (OBE) 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), the valve poppet (4) and the integrated electronics (6). Supply and command value voltage are applied at the connector (7). At the factory, the command value pressure characteristic curve is adjusted with little manufacturing tolerance.
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 DBETE
(measured with HLP46, ϑOil = 40 ±5 °C)
Pressure in port P dependent on the command value (flow = 0.8 l/min)
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
|
Pin assignment |
Contact |
Assignment interface "A1" |
Assignment interface "F1" |
|
Power supply |
A |
24 VDC (u(t) = 21 ... 35 V); Imax ≤ 1,5 A |
|
|
B |
0 V |
||
|
Reference potential actual value |
C |
Reference contact F; 0 V |
Reference contact F; 0 V |
|
Differential amplifier input (command value) |
D |
0 to 1.6 V actual value (1 mV ≙ 1 mA); |
4 ... 20 mA; Re = 100 kΩ |
|
E |
Reference potential command value |
||
|
Measuring output (actual value) |
F |
0 to 1.6 V actual value (1 mV ≙ 1 mA); |
|
|
PE |
connected to solenoid and valve housing |
||
Connection cable
| 1) | Connection cable:- Recommendation 6-wire, 0.75 or 1mm2 plus protective earthing conductor and screening- Connect screening to PE on supply side only- Maximum admissible length 100 m The minimum supply voltage at the power supply unit depends on the length of the supply line (see diagram) |
Integrated electronics (OBE)
Function
The electronics are supplied with voltage via ports A and B. The command value is applied to the differential amplifier ports D and E.Via the characteristic curve generator, the command value solenoid current characteristic curve is adjusted to the valve so that non-linearities in the hydraulic system are compensated and thus, a linear command value pressure characteristic curve is created.The current controller controls the solenoid current independently of the solenoid coil resistance.The power stage of the electronics for controlling the proportional solenoid is a chopper amplifier with a clock frequency of approx. 180 Hz to 400 Hz. The output signal is pulse-width modulated (PWM). For checking the solenoid current, a voltage can be measured at the connector between pin F(+) and pin C(–) which is proportional to the solenoid current. 1 mV corresponds to 1 mA solenoid current.
Block diagram / pin assignment
Dimensions in mm
|
1 |
Proportional solenoid |
|
2 |
Valve housing |
|
3 |
Integrated electronics (OBE) |
|
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 |
Cable fastening |
|
8 |
Blind counterbores A and B |
|
9 |
With version ..Y.. (external pilot oil return) port Y is internally connected to port T. Port T is not plugged. |
|
10 |
Name plate |
|
11 |
Block diagram: Integrated electronics (OBE) |
|
12 |
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 round connector, 6-pole + PE
7P Z31
Mating connectors for valves with round connector, 6-pole + PE
7P Z31
For valves with round connector according to EN 175201-804, 6-pole + PE as well as 6-pole, compatible with VG 95328Data sheet
Spare parts & repair
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