DSTI SEM-1121-OF Rotary Union

The SEM-1121-OF rotary union from DSTI is a compact dual-channel fluid transfer component with through bore capability. Featuring G1/8"-28 BSPP connections and a central passage of 9.525 mm, it’s ideal for applications requiring simple media routing around a rotating shaft. With a minimal torque requirement of 2.6 Nm and compact dimensions (74.6 mm diameter, 90.475 mm length), this model is designed for reliable performance in tight spaces under pressures up to 7500 PSI and speeds of 300 rpm.

Technical Specifications
Model #	Connection	Passage Size	Diameter	Length	Through Bore	Minimum Torque
SEM-1121-OF	G1/8"-28 BSPP	4.75 mm	74.6 mm	90.475 mm	9.525 mm	2.6 Nm
- Number of Ports: 2 - 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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