The ZORO SELECT - 40RC111N030020 is a stainless steel reducing coupling designed to connect two pipes of different diameters, providing a compact transition in a piping run. Made from 304 stainless steel, it is compatible with air, natural gas, non-potable water, oil, potable water, and steam within the specified Class 150 pressure ratings (max 300 psi for liquids; max 150 psi for steam). The reducing coupling features female NPT threaded connections on both ends, with nominal pipe sizes of 3 inches on Side A and 2 inches on Side B. It is pressure rated to Class 150 standards and can withstand a maximum operating pressure of 300 psi and a maximum steam pressure of 150 psi. Key Features: - Material: 304 Stainless Steel- Fitting Type: Reducing Coupling with female NPT connections on both ends- Nominal Pipe Sizes: 3" Side A x 2" Side B- Connection Thread Size: 11 threads per inch on both sides- Pressure Rating: Class 150 with maximum operating pressure 300 psi- Steam Pressure Rating: Maximum 150 psi- Applicable Fluids: Air, Natural Gas, Non-Potable Water, Oil, Potable Water, Steam- Length: 79 mm overall- Standards: Meets ASTM A-351 material, ANSI B1.20.1 threads, MSS-SP-114 Class 150 pressure ratings- Color: Silver- Does not include pre-applied thread sealant or sealing components