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Spool Type, Pilot Operated, SAE-16 Cartridge – DB16SPF

Pressure Relief DB16SPF

The pressure relief valve DB16SPF is a pilot operated, spool valve with a remote control option via the additional port 3.

Therefore, if the pressure across port 1 exceeds the pre-set value, the pilot-stage opens and oil flows from behind the main spool to the tank port 2. Then, the resulting pressure differential allows the main spool to lift against the reset-spring and allows oil to flow from port 1 to port 2. Additionally, the valve may switch the system to unpressurized flow by draining a flow over port 3.

See datasheet for drawings, dimensions, model code, etc…


  • Additional port for remote control option, e.g. in combination with a solenoid valve
  • It’s possible to switch the system to unloaded flow
  • Quick response
  • Good stability across the whole pressure and flow range
  • External surfaces zinc-plated and corrosion-proof
  • Hardened and ground control piston to ensure minimal wear and extended service life
  • Adjustable throughout flow range
  • Finally, there are different pressure ranges up to 350 bar available
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HYDAC Australia

HYDAC New Zealand

AUSTRALIA 1300 449 322

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