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Anvil 8700131157, Cast Iron Pipe Fitting, Hex Bushing, 1-1/2' NPT Male x 1' NPT Female, Galvanized Finish: Industrial & Scientific. Anvil 8700131157, Cast Iron Pipe Fitting, Hex Bushing, 1-1/2" NPT Male x 1" NPT Female, Galvanized Finish: Industrial & Scientific. Hex bushing for connecting two pipes of different sizes 。 Male National Pipe Taper (NPT) threads on the outside and female NPT threads on the inside for creating tighter seals than straight threads 。 Made from cast iron for compressive strength and resistance to wear 。 Hexagonal head for increased leverage and use with a wrench during installation and disassembly 。 Galvanized finish for corrosion resistance in water, air, and steam applications 。 The Anvil hex bushing is a class 150 cast iron pipe fitting with male National Pipe Taper (NPT) threads on the outside and female NPT threads on the inside to connect two pipes of different sizes. It has NPT threads for creating tighter seals than straight threads and a hexagonal head for increased leverage and use with a wrench during installation and disassembly. The bushing is made of cast iron, which has high compressive strength and resistance to wear, with a galvanized finish that resists corrosion in water, air, and steam applications. This class 150 fitting meets standards ASTM A-19(A) and ASME B 1.4 for quality assurance. Class is a standard relating to tolerance, construction, dimension, and wall thickness, but it is not a direct measurement of maximum working pressure.。 Pipe fittings are components used for connecting, terminating, controlling flow, and changing the direction of piping in many different industries. When purchasing pipe fittings, consider the application, as this will affect material type, shape, size and required durability. Fittings are available threaded or unthreaded, in many shapes, styles, sizes, and schedules (pipe wall thickness).。 provides pipe products and design services. The company, founded in 1850 and headquartered in Portsmouth, NH, meets International Organization for Standardization (ISO) 9001:2000 standards and is certified by the American Petroleum Institute (API). Its fittings meet American Society for Testing and Materials (ASTM) and American Society of Mechanical Engineers (ASME) specifications.。 。 。 。 。