VA0SO - Valvole di blocco e controllo discesa a semplice effetto - Tipo A

VA0DO - Double Overcentre Valves - Type A

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Description

USE AND OPERATION:

These valves are used to control actuator's movement and block in one direction in order to enable the following functions:

 

  • under control descent of a load: load's weight doesn't carry it away as the valve prevents any cavitations of the actuator;
  • limited maximum pressure in case of shocks created by loads, overloads or sudden manoeuvrings (load control with opened centre distributor).

 

MATERIALS AND FEATURES:

 

  • Zinc-plated steel body
  • Internal parts in hardened and ground steel
  • BUNA N standard seals
  • Tightness: minor leakage
  • Standard setting: 320 bar. Valve setting must be at least 1,3 times more than load pressure in order to enable the valveto close even when undergone to the maximum load pressure.

 

APPLICATIONS:

Connect V1 and V2 to the pressure flow, C1to the free flow side of the actuator and C2 to the actuator's side you want the flow to be blocked in-line mounting.

ON REQUEST: 

 

  • other settings available
  • sealing cap (CODE-P) and arranged for sealing cap (CODE-PP)

 


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