SEM-1141-OF 4-Passage Rotary Joint - DSTI

DSTI SEM-1141-OF Rotary Union

The SEM-1141-OF rotary union from DSTI offers compact four-channel fluid transfer with through bore functionality, tailored for small to mid-range rotating platforms. With G1/8"-28 BSPP threaded connections and a through bore of 9.525 mm, it supports shaft-mounted sensors or cable routing in constrained environments. Its moderate torque requirement of 4.29 Nm and compact profile (74.6 mm diameter and 122.631 mm length) ensure reliable operation under high-pressure conditions up to 7500 PSI and rotational speeds of 300 rpm.

Technical Specifications
Model #	Connection	Passage Size	Diameter	Length	Through Bore	Minimum Torque
SEM-1141-OF	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. Required torque may be greater when using other media types or dry running.

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