Duff norton, usa, supplies 8000 series rotary unions for textile industry applications.. The unions are specially designed to use on slashers and ranges, and two lugs are provided for most convenient torque bar installation. Their covering is nickel plated to provide corrosion resistance and the inbuilt heavy-duty spring is fitted for low pressure and light vacuum service. These rotary unions are designed to apply in transmission of steam [water vapour] or steam condensate with maximum pressure rating of 150 at 370°f [maximum speed [rpm] x pressure [psi] is 25,000.].
