Fabricated to order from high-strength steel, Dresser Style 128W Flange Adapters afford the engineer a complete size range up to 24″ diameter in steel, cast-iron and a-c pipe sizes. Flanges can be supplied to AWWA specification C-207 as well as other U.S. and international standards. The compression end of the adapter has a Dresser coupling type design utilizing a wedge gasket for an efficient, leak-proof seal. Insulating designs can also be furnished.