Our compact rotary unions reliably and efficiently transmit hydraulic power to rotating components at speeds of up to 2,100 rpm – without any leakage. They are suitable for low-pressure applications and applications in the medium-pressure range up to 210 bar, where they support speeds of up to 1,800 rpm. Typical applications include couplings and variators.
A range of housings with various screw-in threads and hydraulic connectors for axial and radial connections are available to suit different installation space requirements.
A version with a maximum free passage of 2.5 mm can also act as a throttle valve, with throttle cross-sections as small as 1.0 mm possible.
