It can be filled with water, with a maximum pressure of 10 kilograms and a maximum rotational speed of 3500 revolutions per minute. It can be divided into N type and D type. 

It can be used in a vacuum environment, with a maximum pressure of 6.7 kilograms and a maximum rotational speed of 3500 revolutions per minute. It can be divided into N type and D type. 

It can be filled with hydraulic oil. The maximum pressure is 50 kilograms and the maximum rotational speed is 3500 revolutions per minute. It can be divided into N type and D type. 

This model of rotary joint achieves sealing through two micro-sized interlocking sealing rings. 

N-type - graphite seal (standard seal) is used for vacuum and air cooling. 

Type D - Tungsten Carbide Sealing (Heavy-duty Type) is used in situations involving hydraulic oil and water with poor filtration quality. 

This type of rotary joint is installed in the shaft or cylinder and leaves a small overhang to facilitate fixation. 

The locking end of the rotary joint rotates, while the inlet pipe of the joint remains stationary. 

Usually, stainless steel springs are installed inside the brass housing to prevent the coolant from washing away the lubricating grease and to reduce wear. 

When the pressure of the cooling water exceeds 8 bar, the temperature should not exceed 100 degrees.