Description Barrel Union (CAT No.22) A PVC Pressure Barrel Union is used to break the line and allow access for maintenance. The locking nut can be unscrewed to allow a section of pipe or a fitting to be removed. Often a barrel union is used in front of a check valve or a pump to isolate it and to have the ability to break the line. Commonly used in irrigation or pool applications. Tech Specs Model Name: PVC Pressure Barrel Union Colour: White Material: Poly Vinyl Chloride – PVC
