The 316 1/2 Male National Pipe Thread x 3/4 Female National Pipe Thread Pipe Expander  is a versatile pipe fitting designed to expand and transition between male National Pipe Tapered (MNPT) and female National Pipe Tapered (FNPT) threads. Constructed from 316 stainless steel, this fitting offers exceptional corrosion resistance and durability, making it ideal for use in high-pressure, high-temperature, and corrosive environments. It is commonly used to connect different sections of pipe in fluid systems, especially when transitioning between male and female threaded connections in systems involving water, air, or other gases and liquids.

Link to Midland Industries Catalog