About This SIZE - 1-1/2" NPT Female Union Fitting. Note, NPT thread is the nominal pipe size and does not represent the actual diameter, please refer to the dimension drawing for specific diameter. MATERIAL - Made of high quality 304 stainless steel, it has excellent oxidation and corrosion resistance, high compressive strength, abrasion resistance, durability, good low temperature toughness, heat resistance and mechanical properties. USE - Used for piping systems that require frequent disassembly for cleaning or inspection, can quickly connect or separate two sections of piping without the use of tools, built-in silicone sol gaskets for applications that require a soft seal that maintains the stability of the structure and the reliability of the seal to prevent fluid leakage. WORKING PRESSURE & TEMPERATURE - 225PSI maximum working pressure, temperature range -65°F to +250°F (-53°C to +121°C) NOTICE - NPT is a tapered pipe thread with a 60° taper and generally cannot be screwed to the end, these 304 stainless steel fittings are lead-free. Overview Size : 1-1/2" NPT Material : Stainless Steel Brand : ChillWaves Color : Silver Manufacturer : ChillWaves