SEM-1141 4-Passage Rotary Joint - DSTI

DSTI SEM-1141 Rotary Union

The SEM-1141 rotary union by DSTI is a compact fluid transfer device featuring four independent passages for versatile hydraulic or pneumatic configurations. With G1/8"-28 BSPP threaded connections and a 9.525 mm through bore, it’s well-suited for rotating systems requiring minimal torque and precise integration. Operating up to 7500 PSI and 300 rpm, its compact 74.6 mm diameter and 122.631 mm length make it ideal for space-sensitive industrial applications.

Technical Specifications
Model #	Connection	Passage Size	Diameter	Length	Through Bore	Minimum Torque
SEM-1141	G1/8"-28 BSPP	4.75 mm	74.6 mm	122.631 mm	9.525 mm	4.29 Nm
- Number of Ports: 4 - 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. Torque may increase when using other media or dry running.

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