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Use and Operation
This valve enables to keep “P” flow constant to a certain setting, independently of the required pressure or the inlet flow of the valve.

Exceeded flow is drained in “B” and it is available for a second use.

Port “B” is insensitive to pressure changes but not to flow changes.

Materials and Features

  • Body: zinc-plated steel – aluminium (VPR3 1)
  • Internal Parts: hardened and ground steel
  • Seals: BUNA N standard
  • Tightness: by diameter combination. Minor leakage (few drops per minute)

Connect E to the pressure flow. Connect P to the actuator or to a line of an hydraulic circuit where flow adjustment is needed.

Connect B to the tank or to a second actuator.

To adjust inlet pressure in P screw in or off hand wheel after loosening the locknut.



Wide range of superior quality hydraulic valves designed to suit a wide range of applications.

Delivering unsurpassed quality performance and high efficiency.

Exceptionally durable in even the most demanding industrial and mobile applications.

SKUValve typeMax Inlet FlowMax Adjusted FlowMax Working PressurePriceStockBuy
V1070VPR3 1/2"80 l/min60 l/min350 bar 200.72 + vat

In stock

V1080VPR3 3/4"120 l/min100 l/min350 bar 328.05 + vat

In stock

V1090VPR3 1"200 l/min170 l/min350 bar 396.87 + vat

In stock

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