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Spool Type, Metric Cartridge – ST12230


The ST12230-01 flow divider is a spring-loaded pressure-compensated spool type valve. Indeed, it divides a flow in two and keeps both flows constant independently from the load.

Furthermore, the division is made according to the specified ratio – from port 2 to ports 1 and 3. As a flow combiner, it combines two partial flows together – from ports 3 and 1 to port 2.

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


  • Main use is as a differential lock in drive applications or for the synchronisation of two cylinders
  • Synchronising flow in both operating modes
  • Hardened and ground control piston to ensure minimal wear and extended service life
  • Excellent dividing and combining accuracy
  • Wide flow range down to 25% of nominal flow rating
  • Compact design enables space-saving installation in connection housings and control blocks
  • Finally, various flow rates up to max. 60 l/min input flow rate
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