Through Bore Rotary Unions
Through Bore Rotary Unions is rotary unions with through bore from 5mm to 200mm, or bigger on your request, 1,2,3,4,5,6,8 Passages,Suitable for pneumatic,hydraulic,coolant and vacuum applications,Port Size:M5,G1/8,G1/4,G3/8,G1/2,and so on.
Options(On your request)
Through bore size, passages num, can combine with electric slip rings.
RU-TB series Slip Rings
Speed0~250RPMThrough Bore5mm~200mm
Passage1~12Max. Pressure0~300BAR(on your request)
Connection SizesM5,G1/8,G1/4,G3/8,G1/2,G3/4Torquedepends on connection size
Working life>80 million revolutionsMedia materialAir/Gas, Oil, Water...
Seal TypePTFE Filled Nitrile O-RingBody MaterialAluminum
Operating Temp.-40°C to 80°CStorage Temp.-55°C to 85°C
Bearing.Deep groove ballProtectionIP51


Can Customized on your request

Please tell us:

1)How many passages in total?

2)Connection size for each port?

3)Media Material?

4)Pressure for each passage?

5)How many circuits in total?


Typical applications

Industrial machinery-machining centers, rotary index table; Heavy equipment turrets, cable reels, test equipments; Packaging machines, palletizing machines, magnetic clutch, process equipment; Rotary sensors, emergency lighting, robotics; Exhibit/display equipment, medical equipment

Customized on your request

If you don't see what you want in this website,let us know; we may already have it designed or we will modify a design to meet your requirements. In many cases the specifications in the catalog can be changed to include bore size, circuits number, higher current/voltage,flange, lead wire length,shielding,connectors,higher speed,IP68,military grade,higher temperature, mixed with pneumatic/hydraulic capability. Please ask if you don't see exactly what you need as only a small fraction of our Rion slip rings are included in this catalog!

For a detailed outline drawing/3D modal files of a specific model number, or to request a quotation, please contact your local sales representative or send an email to [email protected]