Dynamic Sealing Technologies Inc. - Rotating Unions Dynamic Sealing Techologies Inc. Dynamic Sealing Technologies
13941 Lincoln Street NE
Minneapolis, MN 55304
PH: 763.786.3758
FAX: 763.786.9674
TOLL-FREE: 866.700.DSTI (3784)
SE Series 12 Passage P/N 11121
Rotary Unions With SAE-4 Connections

The SE Series 12 Passage rotary unions are suitable for hydraulic, coolant, pneumatic and vacuum applications. All SE series unions are designed to offer o-ring face or female SAE-4 connections on the shaft for increased mounting flexibility. In order to minimize space requirements, the 12 Passage SE Series rotary union features a compact two-stage housing design.

2 Port Rotary Unions

RotaRing™ union/electrical slip ring assemblies:

The SE Series unions are available with six or twelve circuit slip ring options for power, signal and data transfer. The RotaRing™ is available with an aluminum cover to protect the slip ring during use in demanding environments.

Standard Passage Sizes: SAE-4
(Other sizes available upon request)
Plating: Black Oxide
Materials: Carbon Steel
Mounting Options: Tapped holes are provided on both the housing and shaft for mounting the assembly.
Mounting Flange: Available Steel flange can be bolted onto the shaft end of the assembly for optional o-ring face mounting.
Slip Ring Cover: Aluminum bolt on cover seals and protects slip ring assembly. (add -C to part # to specify this option)
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2 Port Rotary Union

Operating Parameters

Max. Pressure: 7500 psi* (510 Bar)
Max. Vacuum: 30 Hg*
Max. Rotational Speed: up to 300 RPM*
Max. Temperature: 350 deg F* (176 deg C)
Min. Required Torque: 80 in/lbs*

* Operating Parameter information should only be used as a general guideline. Please contact our Engineering Department to discuss your specific application.

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