78 mm pump unions for 2" pipe (China)

Chinese 2" pump unions, with o-rings, to fit Waterway, Hydro Air and Whirlpool LX pumps. This union has a "buttress" type thread (MBT/FBT).

Dimensions
Inside diameter of the union thread: 75 mm
Outside diameter of the corresponding male thread on the pump: 78 mm
Connects to 2" pipe (outside diameter: 60 mm)