The Viega MegaPress 1/2" to 2" Zero Lead Bronze Transition Couplings are designed to join dissimilar piping systems with a material that can reduce the risk of corrosion. The transition coupling uses Viega’s press end technology, eliminating the need for threading or welding and saving valuable time. The IPS side of the transition coupling must be used with Schedule 10 to Schedule 40 IPS carbon steel pipe