Two Passage High Pressure Rotary Unions are modeled for extremely high pressures and low speed applications. Our successfully proven slipper seal construction is used in these Dual Passage models. Our slipper seal design provides higher operating pressures and a much longer service life than other competitor designs.

The 8050 and 8200 series can be used for an extensive variety of process fluids such as industrial chemicals, high temperature oils, air, vacuum and more. Some of the industrial applications that the High Pressure Rotary Union, also known as a Dual Passage Rotary Joint, has been used in are hydraulics, Process Equipment, and Hose Reel applications.

All models within the 8050 and 8200 series are available with NPT or BSP Thread, Steel Rotor and Aluminum Housing and All Stainless Steel Construction is available upon your request. All of Talco, Inc. Two Passage High Pressure Rotary Unions Rotary Unions are available in both American and Metric Units for your convenience.

There are various sizes that are available in stock. All sizes are CAD and RFQ Interface Enabled. If you are looking for customization, you have come to the right place. A Custom Two Passage High Pressure Rotary Union is available by speaking to one of our experienced sales representatives that will provide you with personal service and help you find the right Rotary Union for your application.
Unit of Measure


Dimension A (Rotor Thread)

N/A 1 1/2" NPT

Dimension B (Housing Thread)

N/A 3/4" NPT

Dimension C

N/A 3/4" NPT

Dimension E

N/A 1 7/8 in

Dimension F

N/A 4 1/8 in

Dimension G

N/A 4 in

Dimension H

N/A 8 3/8 in

Dimension I

N/A 7 1/8 in

Dimension J

N/A 1 3/8 in


N/A All Stainless Steel Construction upon Request NPT or BSP Thread Steel Rotor & Aluminum Housing

Recommended Operating Specifications

Max. Air Pressure

N/A 200 psi

Max. Vacuum

N/A 28 inHg

Max. Hydraulic Pressure

N/A 5000 psi

Max. Temperature

N/A 250 ºF

Max. Speed

N/A 400 rpm