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PRECISION COOLANT SUPPLY SYSTEMS
The patented HELLMERICH rotary union – Europe patent 0319662
The HELLMERICH rotary union has been specifically developed for installation in confined and hard to access assembly areas while at the same time guaranteeing the greatest possible operational safety, as the central coolant supply of the working spindles of multi-spindle heads requires.
A dry run through the patented, non-contact sealing system is no problem at all. With the extremely reduced friction, only very low heating is achieved even at the highest speeds. Very easy to fit and pipe.
Product benefits:

• Smallest possible centre distances to neighbouring spindles
• Not sensitive to contamination of the coolant
• Not sensitive to radial forces
• High flow rate at high pressures with very small leaking rates
• Perfectly suitable for hidden installation on multi-spindle heads for revolver assembly or centre application (FMS)