The through hole diameter is 100 mm, suitable for the standard series of precision pneumatic slip rings with a diameter of <= 100 mm. 2 inlet 2 outlet air slip rings, M5" joints 4~6 mm pipe diameters.
The media that can pass through are: compressed air, hydrogen, nitrogen, chemical mixed gases, steam, cooling water, hot water, hot oil, petroleum, sulfuric acid, beverages, etc.