SUN HYDRAULICS Pilot-operated, pressure reducing main stage with integral T-8A control cavity (PBFB8WN)

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1,981.44 ر.س

This valve is a normally open modulating element that incorporates an integral pilot control cavity. The pilot control cavity will accept any T-8A pressure control cartridge. The valve reduces a high primary pressure at the inlet (port 2) to a constant reduced pressure at port 1. The pilot cartridge’s setting determines the difference in pressure between reduced pressure (port 1) and the drain (port 3).

  • All three-port pressure reducing and reducing/relieving cartridges are physically interchangeable (i.e. same flow path, same cavity for a given frame size). When considering mounting configurations, it is sometimes recommended that a full capacity return line (port 3) be used with reducing/relieving cartridges.
  • Full reverse flow from reduced pressure (port 1) to inlet (port 2) may cause the main spool to close. If reverse free flow is required in the circuit, consider adding a separate check valve to the circuit.
  • Main stage orifice is protected by a 150 micron stainless steel screen.
  • Pilot operated valves exhibit very low dead-band transition between reducing and relieving modes.
Availability: Available on backorder Categories: , ,


Flow – 80 lpm

Pressure – 350 bar

Cavity – T- 2A