This part is a Gate Valve, Unibody, Magic, 2-1/2"s x 2-1/2"spg, 80psi..
If you want a lock for this valve click this link to add the lock: 2 1/2" Gate Valve Lock
This part is a 2" Spigot X 2" Slip Slice Gate Valve.
The Valve recieves a 2" pipe or fitting (Which is about 2 3/8" Inside Diameter) on one side and then slips inside of a 2" fitting (Which is about...