Quick view Eddington Eddington Threaded Orifice Unions MSRP: $97.00 - $140.00 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: $97.00 - $140.00 Quick Add Add to Wish list Compare