Quick view Eddington Eddington Threaded Orifice Unions MSRP: $470.20 - $678.64 Model Number Description OU-050 1/2" Threaded Orifice UnionComes with two orifice plates, .062 dia. & .250 dia. OU-075 3/4” Threaded Orifice UnionComes with two orifice plates, .062 dia. & .250 dia. OU-100 1” Threaded Orifice... MSRP: $470.20 - $678.64 Quick Add Add to Wish list Compare