Manufacturer
Bosch Rexroth
Name
DBETA-6X/P100G24K31A1M
Part number
R901347329
Country
Germany
Type
Proportional pressure reducing valve
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General information
Proportional pressure relief valves of type DBETA are used for system pressure limitation. Operation is effected by means of proportional solenoid. The pressure is regulated by the pressure sensor and the valve electronics. Dependent on the electric command value, these valves can be used to steplessly set and adjust the system pressure to be limited. The valves mainly consist of the housing (1), the valve seat (3), the valve poppet (4), the proportional solenoid (2), the integrated electronics (7) and the pressure sensor (8).
Basic principle
The supply voltage and the command value are applied to the connector (6). Dependent on the command value, the electronics convert the input signal into 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) counteracts the hydraulic force in channel P. When the hydraulic force at the valve poppet (4) equals the solenoid force, the set pressure is reached. By increasing/reducing cross-section P to T, the pressure is maintained at the set level. The pressure sensor (8) captures the pressure in channel P and/or B and the integrated electronics (7) regulate the pressure independently of the flow. Connector (6) provides the pressure in channel P and/or B as an analog actual value (0 to 10 V and/or 4 to 20 mA). If the command value is zero, the control electronics only applies the minimum control current to the proportional solenoid (2) and the minimum set pressure is applied. With the DIL switch (9) the integrated pressure controller can be adjusted to various applications.
Proportional pressure relief valves of type DBETA are used for system pressure limitation. Operation is effected by means of proportional solenoid. The pressure is regulated by the pressure sensor and the valve electronics. Dependent on the electric command value, these valves can be used to steplessly set and adjust the system pressure to be limited. The valves mainly consist of the housing (1), the valve seat (3), the valve poppet (4), the proportional solenoid (2), the integrated electronics (7) and the pressure sensor (8).
Basic principle
The supply voltage and the command value are applied to the connector (6). Dependent on the command value, the electronics convert the input signal into 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) counteracts the hydraulic force in channel P. When the hydraulic force at the valve poppet (4) equals the solenoid force, the set pressure is reached. By increasing/reducing cross-section P to T, the pressure is maintained at the set level. The pressure sensor (8) captures the pressure in channel P and/or B and the integrated electronics (7) regulate the pressure independently of the flow. Connector (6) provides the pressure in channel P and/or B as an analog actual value (0 to 10 V and/or 4 to 20 mA). If the command value is zero, the control electronics only applies the minimum control current to the proportional solenoid (2) and the minimum set pressure is applied. With the DIL switch (9) the integrated pressure controller can be adjusted to various applications.
