Parameters: maximum pressure: 1.5MPa maximum temperature: 120 ° C maximum speed: 1000rpm Suitable medium: water, hydraulic oil, coolant, vacuum, compressed gas and other structural features: H-type rotary joint system specifically designed for cooling cover series product, it has a small size, light weight, the friction torque small advantages, balanced seal friction group of materials based on the media environment, choose from a variety of different groups impregnated graphite, bronze, tungsten carbide, silicon nitride, enough to resist rust, scale, debris, etc. the impact of the impurities on the sealing surface, our seal is completed on a CNC machine and special grinding machine, the surface like a mirror, so that the sealing is more reliable.