ASC Anvil 2"x1-1/2" Black Hex Reducing Bushing. Made of durable malleable iron with a black finish, this bushing is designed to reduce the size of a pipe from 2" to 1-1/2". Anvil International offers the broadest line of Malleable Iron Fitting in black finish. Every fitting is manufactured and tested to meet Anvils strict quality standards. All Anvil Class 150/300 Malleable Iron Fittings conform to ASME B16.3 and unions conform to ASME B16.39. All elbows and tees 3/8 inch (10 DN) and larger are 100 percent gas tested at a minimum of 100 PSI (6.9 bar).