
The AP Series multiple passage rotary unions are available in 2, 3, 4, 6, 8, 10 and 12 passage versions. Modified or custom configurations are also available. All AP Series rotary unions incorporate durable, long life seals, which are suitable for vacuum and bi-directional pressures up to 7500 psi. All passages are individually sealed to allow use with dissimilar medias.

The MT Series rotary unions are designed for applications with high pressure requirements and limited space. All MT series rotary unions offer SAE-4 and o-ring flange connections. Originally designed for machine tool workholding applications, these versatile rotary unions are currently used in a number of industries. The MT Series rotary unions are available in 2,4,6,8 and 12 passage versions. All MT Series rotary unions incorporate durable, long life seals, which are suitable for vacuum & bi-directional pressures up to 7500 psi. The MT Series rotary unions can also be ordered as rotary union/electrical slip ring combination assemblies.

The UL Series rotary unions are small, lightweight rotary unions available in 2, 4, 8 and 12 passage versions. The UL Series rotary unions feature all-aluminum construction and low-torque seals that are suitable for pressure or vacuum use. The UL Series rotary unions can also be ordered as rotary union/electrical slip ring combination assemblies. Many electrical slip ring configurations are available.

SRS offers complete custom Rotary Timing Valve (RTV) and Rotary Union engineering and complete manufacturing services. Custom assemblies can be designed for a variety of applications; slight modifications of standard units to fully customized units. Numerous material, seal and bearing types can be utilized, depending on the application requirements.