Anvil 2" Black Floor Flange. Made of durable malleable iron with a black finish, it securely connects pipes to floors. Anvil International's broad line of Malleable Iron Fittings in black finish meets strict quality standards, conforming to ASME B16.3 and B16.39. Elbows and tees 3/8 inch (10 DN) and larger undergo 100 percent gas testing at a minimum of 100 PSI (6.9 bar). Suitable for gas, water, and oil applications.