When Tight, The Wedging Action Of Sleeve Between Body And Nut Create A Leak Free Connection.
AGS Brass And Steel Fittings Are Comprised Of Tube Nuts, Unions (Couplers), Adapters, Elbows, Tees, Bushings, Connectors, Grease, Etc. They Are Generally Used To Connect Lengths Of Copper, Brass, And Aluminum Tubing. Compression Unions Are Used In Low-Pressure Applications Such As: Air, Oil, And Water.