GFLA Rotary joint
G rotary union is a high performance, high precision rotary union for coolant, water,hydraulic oil, and air applications. Type G unions are generally used on CNC machine spindles, gun drills, milling machines, and other cutting tools. The G union is designed for speeds up to 50,000 RPM and pressures up to 3,600 psig in sizes ranging from 1/4" (M10) to 5/8" (M16).