Double Union – Metal Tube (Coil)

John Guest straight union for metal tube or coil

Straight connector for transitioning between a metal tube or coil outlet and a flexible tube line.

Configurations

Variants combine 5/16" or 3/8" metal tube with 5/16" or 3/8" flexible tube, depending on option.

Application

Especially useful in coolers and dispensing equipment to link metal outlets with the flexible lines in the circuit.

Installation

Check that the metal end is clean, smooth, round and free of burrs. Prepare the flexible tube with a square cut and insert each side correctly.

Frequently asked questions

Is it suitable for coils?
Yes.

Do all variants reduce the diameter?
No; some keep the same size.

What should I measure?
The outside diameter of the metal tube and of the flexible tube.

Why check the metal?
Damage or deformation in the connection area can compromise leak-tightness.