Sectional Directional Control Valves

Sectional directional control valves feature an open center, making them applicable to agricultural equipment, construction machinery, mining machinery and other mobile machineries. The modular design allows the system designer to choose different modules to form a complex system. For example, there are three options for an inlet module: an inlet module matched with a fixed displacement pump or variable displacement pump, or an inlet module with a priority valve.

The inlet oil and return oil ports can be chosen according to customer requirements for different applications. GRH offers both standard and custom sectional directional control valves.

Sectional Directional Control Valves Models
Custom range
  • Rated flow: 35L/min, 50L/ min, 80L/ min, 100L/ min, 200L/ min
  • Pressure: <300bar
  • Spool number: 1-9
Options for different applications:
  • Control method: manual (hand lever actuation, one or two), electric on-off control, electro-hydraulic control (DC 12V or 24V).
  • Pressure-compensation: front or rear pressure compensation, rear pressure compensated type realizes proportional flow rate.
  • Port valves: overload valve, check valve, relief anti-cavitation valve.
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