Closed-loop: Motor-return is linked straight to the pump-inlet. To help keep up stress around the reduced pressure side, the circuits Use a demand pump (a small equipment pump) that provides cooled and filtered oil on the lower strain side. Shut-loop circuits are typically employed for hydrostatic transmissions in mobile apps. https://wissenfakt.de/die-10-besten-rohrbiegemaschinen-des-jahres-2024-ein-umfassender-leitfaden/