Union Insert (UV)
Used in with hammer-type ground-joint unions, it is a simple solution for when threaded pipe systems require a check valve. It can be positioned anywhere along a system where a union is found. Modular design makes it equally capable in both vertical and horizontal orientations, a metal tag is used during install that allows the valve to swiftly attach to the union, providing a visible reminder that it contains a check valve.
Straight Sided Insert (SI)
Threadless design, the unit is meant to be placed in areas where a check valve is desired but threads are not.