The ZORO SELECT - 4381002630 is a stainless steel flange designed for use with pipes, valves, pumps, and equipment to create bolted connections. Made from 316 stainless steel, this flange features a raised face connection surface and a female National Pipe Thread (FNPT) fitting connection type. It is rated as Class 150, supporting a maximum operating pressure of 150 psi, and can operate within a temperature range from -60 to 450 degrees Fahrenheit. Its nominal pipe size and thread size are 1/2 inch, and it complies with ANSI B16.5 and ASTM A182 standards. Key Features: - Material: 316 stainless steel. - Flange Outside Diameter: 3 1/2 inches. - Connection Surface: Raised Face surface. - Fitting Connection Type: Female NPT (FNPT) thread. - Pressure Rating: Class 150, with a maximum operating pressure of 150 psi. - Temperature Range: -60 Degrees to 450 Degrees Fahrenheit. - Bolt hole count: 4. - Nominal Pipe Size/Thread Size: 1/2 inch. - Standards: ANSI B16.5 and ASTM A182 compliance.