Description Size 1 Component series A Max. operating pressure 420 bar Flow, max. 80 l/min Features Cartridge valve Mounting cavity R/UNF10-01-0-06 Pilot-operated proportional valve for system pressure limitation Suitable for mobile and industrial applications Actuation by proportional solenoid with central thread and detachable coil Solenoid coil can be rotated Via an adjustment screw, the valve is set to maximum pressure In the event of a power failure, maximum set pressure becomes effective Fine adjustment of the command value pressure characteristic curve possible from the outside at the control electronics Product description Valves of type KBVS are pilot-operated proportional pressure relief valves in spool design and are used to limit 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). Type code 01 02 03 04 05 06 07 08 09 10 11 12 KBVS 1 B A / F 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 Up to 420 bar T 03 Component size 1 04 Maximum pressure at command value = 0 B 05 Component series A 06 High Performance and mounting cavity R/UNF-10-01-0-06 (see Mounting cavity) F 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 * Technical data general Type KBVS.1BA Size 1 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 0.75 Storage temperature range °C -20 … +80 Ambient temperature range °C -40 … +120 hydraulic Size 1 Maximum operating pressure bar 420 Port P bar 420 Port T bar 210 Maximum flow l/min 80 Pilot flow l/min Hydraulic fluid temperature range °C -40 … +80 Viscosity range mm²/s 5 … 400 preferably mm²/s 10 … 100 Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) 1) Class 20/18/15 according to ISO 4406 (c) Hysteresis 2) % Manufacturing tolerance of the command value pressure characteristic curve, related to the hysteresis characteristic curve, pressure increasing 2) % 1) The cleanliness classes specified for the components must be adhered to in hydraulic systems. Effective filtration prevents fault
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