Description Size 6 Component series 1X Maximum operating pressure 350 bar Maximum flow 2 l/min Features For subplate mounting Porting pattern according to ISO 4401-03-02-0-05 Proportional solenoid operation Proportional solenoid with central thread and detachable coil External control electronics: - Amplifier in modular design or as plug-in amplifier - Individually adjustable upwards and downwards ramp - Fine adjustment of the command value pressure characteristic curve possible Product description 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 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 basically consist of housing (1), proportional solenoid (2), valve seat (3), valve poppet (4), compression spring (6) and nozzle (7). Basic principle For the setting of the system pressure, a command value is specified at the external 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) and the compression spring (6). The valve poppet (4) pushes onto the valve seat (3) and blocks the connection between port P and T. If the hydraulic force which acts on the valve poppet (4) is equal to the solenoid force, the valve regulates the set pressure by lifting the valve poppet (4) from the valve seat (3) and thereby letting hydraulic fluid flow from port P to T or Y. If the command value is zero, the external control electronics only apply the minimum control current to the proportional solenoid (2) and the minimum set pressure is set. Type code 01 02 03 04 05 06 07 08 09 DBET ‒ 1X / H G24 -8 K4 * 01 Proportional pressure relief valve DBET 02 Component series 10 ... 19 (10 ... 19: unchanged installation and connection dimensions) 1X Maximum pressure rating 03 50 bar 50 180 bar 180 315 bar 315 04 Standard solenoid H 05 Direct voltage 24 V G24 06 800 mA coil -8 Electrical connection 07 3-pole connector (2+PE) according to DIN EN 175301-803 K4 1) Seal material 08 NBR seals M FKM seals V Observe compatibility of seals with hydraulic fluid used. (Other seals upon request) 09 Further details in the plain text * 1) Mating connectors, separate order, see "Accessories" and datasheet 08006. Technical data general Type DBET Size 6 Weight kg 1.57 Installation position any Ambient temperature range °C -20 … -70 MTTFD values according to EN ISO 13849 Years 150 hydraulic Type DBET Maximum operating pressure Port P bar 350 Maximum set pressure Pressure rating 50 bar bar 50 Pressure rating 180 bar bar 180 Pressure rati
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