Applications

1. Simplex

Used to supply a fluid (water, oil or steam) into a roll from one end and discharge it from the other end where both ends of the journal are available.

● Example:
Rolls for iron manufacture machines, Film cooling and take-up roll, Paper calender, etc.

2. Duplex, Stationary Internal Pipe

Where only one end of the journal is available, a fluid is supplied from one end of the roll and discharge it from same end.

● Example: for Water or Thermal oil
Plastic extruder, Film cooling and take-up roll, Rubber kneading machine, etc.

● Example: for Steam
Paper dryer, Plastic calender, Double drum dryer, etc.

3. Duplex, Rotational Internal Pipe

Where the internal pipe rotates simultaneously with a roll, the rotary joint must have another seal for the internal pipe.

● Example:
Drilled roll, Film machine, etc.