DSTI SEM-11121 Rotary Union

The SEM-11121 rotary union from DSTI is built for high-efficiency 12-port fluid transfer in precision motion platforms. Featuring G1/8"-28 BSPP threaded connections and a 9.525 mm through bore, it supports applications requiring shaft integration or internal media routing. With a body diameter of 87.3 mm and extended length of 254.001 mm, it maintains performance under extreme pressures (up to 7500 PSI) and speeds (up to 300 rpm), making it ideal for demanding hydraulic or pneumatic systems.

Technical Specifications
Model #	Connection	Passage Size	Diameter	Length	Through Bore	Minimum Torque
SEM-11121	G1/8"-28 BSPP	4.75 mm	87.3 mm	254.001 mm	9.525 mm	15.03 Nm
- Number of Ports: 12 - Maximum Pressure: 7500 PSI [515 BAR] - Maximum Speed: 300 rpm - Vacuum Rating: 30 HG - Operating Temperature: -18°C to 105°C [0°F to 220°F]
* Minimum torque required to rotate based on zero pressure with oil/hydraulic media. Required torque to rotate may be greater when using other media types or dry running.

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