Rotary Union Solutions

Rotary Table and Center Table Options

Rotary unions reliably seal and transfer fluid such as air and hydraulic oil from stationary sources to rotating parts.

PAWS Workholding Rotary Unions

4 Passage Center Table Kit

Typically installed on the center table of pallet switching CNC machines and used to feed air and hydraulics from the pump to each pallet.

  • 4 Passage Rotary Union with hard lines out of the work zone on each pallet

  • 4 Hydraulics hoses to connect to hard lines and reach the back of the machine

  • Gage Manifold pressure indicator on each pallet connected with hard lines

  • Kits can be customized for fourth axis or non-fourth axis sheet metal configurations.

2 Passage Rotary Table Kit

Typically connected to each Rotary Table and used to feed air and hydraulics into the trunnion fixtures.

  • 2 Passage Rotary Union w/ o-rings and bolts to connect spacer

  • Rotary spacer to port hydraulics and air to trunnion fixture

  • Anti-rotation bracket

  • Port connectors to connect spacer to trunnion face plate

  • Kits can be customized based on rotary table configuration and fixturing requirements

Center Table Unions

These rotary unions are typically installed on the center table of pallet switching CNC machines and used to feed air and hydraulics from the pump to each pallet.

Kits are available that include an adaptor, fittings, pressure gauge blocks, and hard lines to install hydraulic infrastructure onto your CNC.

Part # Description (fittings not included)
3350-RU-CT-4-CP (4) passage Center Table – Rotary Union
3350-RU-CT-6-CP (6) passage Center Table – Rotary Union
PAWS Workholding Rotary Union 3350-RU-CT-4-CP

Four Passage

Part #: 3350-RU-CT-4-CP
Max Pressure: 7,500 PSI
Max Speed: 300 RPM
Connection: #4 SAE-ORB
Passage Size: 0.187″
Diameter: 2.937″
Length: 4.828″
Through Bore: 0.375
Suitable Media: Air/Hydraulic

PAWS Workholding Rotary Union 3350-RU-CT-6-CP

Six Passage

Part #: 3350-RU-CT-6-CP
Max Pressure: 7,500 PSI
Max Speed: 300 RPM
Connection: #4 SAE-ORB
Passage Size: 0.187″
Diameter: 2.937″
Length: 6.094″
Through Bore: 0.375
Suitable Media: Air/Hydraulic

Rotary Table Unions

These rotary unions are generally attached to a spacer and bracket system on the rotary table to allow air and hydraulics to the trunnion fixture.

Custom spacers are made to order based on the number of passages needed and the rotary table model.

Part # Description (fittings not included)
3350-RU-RT-2-CP (2) passage Rotary Table – Rotary Union
3350-RU-RT-3-CP (3) passage Rotary Table – Rotary Union
3350-RU-RT-4-CP (4) passage Rotary Table – Rotary Union
3350-RU-RT-6-CP (6) passage Rotary Table – Rotary Union
PAWS Rotary Union 3350-RU-RT-2-CP

Two Passage

Part #: 3350-RU-RT-2-CP
Max Pressure: 7,500 PSI
Max Speed: 500 RPM
Connection: 1/8″-27 NPT
Passage Size: 0.156″
Diameter: 2.437″
Length: 3.347″
Through Bore: None
Suitable Media: Air/Hydraulic

PAWS Workholding Rotary Union 3350-RU-RT-3-CP

Three Passage

Part #: 3350-RU-RT-3-CP
Max Pressure: 7,500 PSI
Max Speed: 500 RPM
Connection: 1/8″-27 NPT
Passage Size: 0.156″
Diameter: 2.687″
Length: 4.147″
Through Bore: None
Suitable Media: Air/Hydraulic

Four Passage

Part #: 3350-RU-RT-4-CP
Max Pressure: 7,500 PSI
Max Speed: 500 RPM
Connection: 1/8″-27 NPT
Passage Size: 0.156″
Diameter: 2.687″
Length: 4.696″
Through Bore: None
Suitable Media: Air/Hydraulic

PAWS Workholding Rotary Union 3350-RU-RT-6-CP

Six Passage

Part #: 3350-RU-RT-6-CP
Max Pressure: 7,500 PSI
Max Speed: 500 RPM
Connection: 1/8″-27 NPT
Passage Size: 0.156″
Diameter: 3.187″
Length: 6.483″
Through Bore: 0.500
Suitable Media: Air/Hydraulic

Order Today

Questions? Contact an Application Engineer Today.

(810) 670-1317