S290 Series Monoblock Directional Control Valves


Nominal flow rate: 110 liter/min
Max. Pressure: P: 250 bar, T: 50 bar, A-B: 300 bar
Spool type: Standard open center spool (A spool), different spool options
Number of spools: From 1 to 6
Leakage: 30 cm3/min at 120 bar (From A,B to T)
Fluid temperature range: -10 oC … +80 oC
Working fluid: Mineral based hydraulic oil
Viscosity: 10-100 cSt (46 cSt mineral based hydraulic oil is recommended, may vary in different climates)
Filtration: 10 to NAS 1638

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Directional control valves are one of the core elements in a hydraulic circuit. They help directing the fluid to different components in the system.

Directional control valves perform only three functions:

  1.   Stop fluid flow
  2.   Allow fluid flow
  3.   Change direction of fluid flow

There is a part called «spool» inside control valve which can be operated mechanically or electrically. The movement of the spool lets oil flow or blocks the oil flow in other words it controls the movement of fluid. Hidros provide monoblock directional control valves with different capacities and spool control options such as hydraulic, pneumatic or with cables/joysticks.

S290 series are monoblock valves that can have port anti-cavitation, port relief or port anti-shock valves integrated for any working ports.

Code Number of levers Nominal flow rate
L/min
Max. pressure
P port
bar
S291RV180P2/A1S1/GT2 1 110 250
S292RV180P2/A1S1A1S1/GT2 2 110 250
S293RV180P2/A1S1A1S1A1S1/GT2 3 110 250
S294RV180P2/A1S1A1S1A1S1A1S1/GT2 4 110 250
S295RV180P2/A1S1A1S1A1S1A1S1A1S1/GT2 5 110 250
S296RV180P2/A1S1A1S1A1S1A1S1A1S1A1S1/GT2 6 110 250
* Standard spool is open center “A” spool with spring return. Working port threads are G 3/4”.
For different specifications please contact us.

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