Proportional Directional Valves, Series SC12 / SC18 / SC22

This range of proportional valves is used to provide load-independent speed control of motors and cylinders.

Proportional Directional Valves, Series SC12 / SC18 / SC22
  • Compact sectional design
  • Adaptable building-block system
  • Low weight
  • Individual matching of flow rates
  • Up to 8 actuator sections
  • Parallel operation (individual compensators)
  • Primary pressure relief for each actuator
Type Nominal flow rate, max.
l/min		 Acutator flow rate, max.
l/min		 Max. inlet pressure (P)
bar		 Max. work port press.
bar		 Tank line pressure, max.
bar		 Viscosity range
mm²/s		 Voltage
V DC
SC12 200 130 370 420 50 10 - 380 12 / 24
SC18 400 260 370 420 50 10 - 500 12 / 24
SC22 500 340 370 420 50 10 - 500 12 / 24
  Type File extension Size
SC12_301-P-9050091-en Catalog / Data sheet PDF 2.2 MB
SC12-EX_301-P-9050092-en Catalog / Data sheet PDF 1.4 MB
SC18_301-FL-900002-en Flyer PDF 2.8 MB
SC18_301-P-9050089-en Catalog / Data sheet PDF 814.1 KB
SC18 EX_301-P-900003-en Catalog / Data sheet PDF 317.4 KB
SC22_301-P-9050084-en Catalog / Data sheet PDF 368.7 KB

(Types of operators)

  • Electro-hydraulic proportional
  • Hydraulic Manual (oil-tight enclosure)
  • Electro-hydraulic proportional − manual, combined
  • Electro-hydraulic proportional − hydraulic, combined
  • For other types, please consult Bucher
  • Construction machines
  • Materials handling
  • Municipal equipment
  • Mining
  • Military
  • Offshore
  • Other