The ZORO SELECT - 400U111N034 is a 3/4-inch stainless steel pipe union that connects two pipe ends without rotation. Constructed from 304 stainless steel, it features female NPT threaded connections on both ends and complies with Class 150 pressure ratings, supporting a maximum operating pressure of 300 psi. This union can be used with air, natural gas, non-potable water, oil, potable water, and steam, rated for Class 150 pressure. The fitting conforms to ASTM-A-351 material standards, ASME B1.20.1 thread standards, and meets MSS-SP-114 Class 150 pressure requirements. It is compliant with applicable low-lead regulations for potable water systems. Key Features: - Material: 304 Stainless Steel meeting ASTM-A-351 standards - Connection Type: Female NPT threaded ends on both sides - Nominal Pipe Size: 3/4 inch with 14 threads per inch - Pressure Rating: Class 150 with a maximum operating pressure of 300 psi - Media compatibility: suitable for use with air, natural gas, non-potable water, oil, potable water, and steam; rated for Class 150 pressure - Hex Size: 46.5 mm wrenching surface - Overall Length: 38.5 mm - Does not include pre-applied thread sealant or seals - Color: Silver finish - Meets MSS-SP-114 and ASME B1.20.1 thread standards