AirPress

This adapter is designed for lathes that already have a rotary union.  Example:

The Vacuum Chuck is designed to fit to the RA1 adapter and is ideal for turning bowls, platters, etc.Features:    Precision-turned, gold anodised aluminium cups. Moulded, push-on silicone rubber gasket - requires no sticky tapes or glues. ...

The Vacuum Chuck is designed to fit to the RA1 adapter and is ideal for turning bowls, platters, etc.Features:    Precision-turned, gold anodised aluminium cups. Moulded, push-on silicone rubber gasket - requires no sticky tapes or...

The Vacuum Chuck is designed to fit to the RA1 adapter and is ideal for turning bowls, platters, etc.Features:    Precision-turned, gold anodised aluminium cups. Moulded, push-on silicone rubber gasket - requires no sticky tapes or glues. ...

Rotary Union for AirPress Vacuum Chucks. 1-1/4x8 female thread. 

Replacement Gasket for AirPress 150mm Vacuum Chuck

Replacement Gasket for 210mm AirPress Vacuum Chuck 

Replacement Gasket for AirPress 90mm Vacuum Chuck

Wrench for AirPress Vacuum chuck adapters Includes wrench only