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» Home » Hydraulic valves

 
hydraulic valves
 
D&D Ricambi Srl: the leader on supply of hydraulic components and systems
hydraulic components for construction, earthmoving, agricultural and industrial machinery
 
 

Hydraulic valves
D&D Ricambi Srl offers a full range of hydraulic valves for each type of applications.

 



Pressure relief valves
These valves are used as pressure limiting devices to protect hydraulic systems.
Pressure reducing valves
Pressure reducing valves are pressure limiting devices that limit pressure in one portion of a circuit while leaving system pressure unaffected.
Sequence valves
As the name implies, sequence valves power a sequence of operations. Sequence valves usually use a pressure signal to shift a spool, thereby opening or closing a flow path at a pre‑set pressure.
Automatic cut-off valve
They allow the pump unload when the setting pressure is reached; they permit also the maintenance of the pressure using an accumulator
Regenerative valve
They allow the connection between rod and base of an hydraulic cylinder. They permit the movement reversal using a pressure signal.
High/Low pressure cut-out valve
In a system powered by two pumps, the valve allows operations with a fast/slow sequence.
Check valves
Check valves allow free flow in one direction and block flow in the opposite direction.
Pilot operated check valves
These valves are used to prevent a load from dropping in case of hose or tube failure or from drifting caused by directional power valve spool leakage.
Needle valves
Needle valves provide adjustable, non-compensated flow power. They are available with standard or fine adjust, and with a variety of knob adjusting options.
Flow power pressure compensated valves
Pressure compensated flow power valves are used to limit or regulate flow.
Counterbalance (overcenter) valves
Counterbalance valves are used to power the motion of a load in the following ways:
- prevent a load from dropping in case of hose or tube failure or from drifting caused by directional power valve spool leakage.
- provide smooth, modulated motion when the load is in a lowering or run-away mode or when the directional power valve is suddenly closed.
Directional solenoid valves
Solenoid valves are electrically-operated, on-off poppet or spool-type valves for load holding, blocking, or directional power applications. 2 way pilot operated valves - 3 way 2 positions valves - 4 way 2 positions valves - 4 way 3 position valves.
Automatic reversing valves
These valves are used to switch automatically the oil flow direction by using two type of power: mechanical and pressure increase.


   
         
 
   
         
 

 

 Hydraulic valves
  PRESSURE CONTROL VALVES
  Sequence valves
  Pressure interception valves
  Pressure relief valves
  Pressure reducing valves
  Pressure control valves
  Pressure compensating valves
  Pressure limiting valves
  High-low pressure relief valves
  SAFETY VALVES
  Absorbing valves
  Load control valves
  Pipe rupture valves
  Piloted stop valves
  Balanced safety valves
  SHUT-OFF VALVES
  Check valves
  Non return valves
  Hydraulic pilot-operated check valves
  Shuttle valves
  Drain valve
  DIRECTIONAL CONTROL VALVES
  Directional valves and solenoid valves
  Stroke end diverter valves
  FLOW CONTROL VALVES
  Differential lock valves
  Throttle valves
  Throttle check valves
  Flow regulators
  Flow dividers
  Knob flow control valves
  Flow divider valves
  MODULAR VALVES
  Bankable valves
  Hydraulic motors flangeable valves
  BLOCK VALVES
  Unidirectional valves
  Double effect pilot operated check valves
  Single effect pilot operated check valves
  Selector valves
  Hose burst valves
  COUNTERBALANCE VALVES
  Single effect overcentre valves
  Double effect overcentre valves
  Cartridge overcentre valves
  INTEGRATED GEAR PUMPS AND MOTORS VALVES
  Built-in valves
 
 Applications
  Dinamic oil applications

 

 

 

 
 
 

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Thanks to the know-how and partnerships with global leaders suppliers of hydraulic components, our organization is able to offer customers the best solutions.

Our technical department is available to suggest the best solutions for every need.
Besides standard products supply, D&D Ricambi Srl provides custom solutions for small quantitatives.
 
SP 231 Km 80,176 - 70026 Modugno (Ba)
Fax +39 080.5352723  e-mail:info@dedricambi.it

 

 

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