The Y Check valve is a weighted angle check valve and is used to automatically stop flow in the back direction when the fluid in the line reverses

Slip x MPT connection

The only limit to what you can do is your imagination

made to fit over Schedule 40 pipe of the same size

Colonial Super "C" Compact Ball Valve, Threaded Size:1" The Y Check valve isSUPER C SCH 80 COMPACT BALL VALVE is suited for the most demanding industrial, commercial plumbing, aquatic, or irrigation environments, the Super C is permanently sealed at the factory and is maintenance free. The "Super C" can be used inplace of the discontinued COLORO Type 353: Compact Valve.