Adapter for connecting pipes or fittings of different types * Male National Pipe Taper (NPT) threads on one end and female NPT threads on the other for connecting pipes with different ends * Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability * Operating temperatures range from -53 to 121 degrees C (-65 to 250 degrees F) * Meets specifications ASTM B584 and ASME/ANSI B16 for quality assurance