4 in Stainless Steel Union, Female NPT x Female NPT, Class 150, 304 Grade

The ZORO SELECT - 4381033710 is a 4-inch stainless steel pipe union designed for joining two pipe ends without requiring rotation of the pipes, three-piece design enables non-rotational disassembly. Constructed from 304 stainless steel and conforming to ASTM-A-351 material standards with threads per ASME B1.20.1, this union provides a sealing capability that meets Class 150 pressure rating for piping systems rated to Class 150. It features female NPT threaded connections on both ends and is suitable for industrial, sanitary, and high-temperature service. Key Features:

• Material: 304 stainless steel constructed to ASTM-A-351 standards
• Connection Type: Female NPT threaded ends on both sides
• Nominal Pipe Size: 4 inches per connection side
• Pressure Rating: Class 150 with a maximum operating pressure of 300 psi @ 150°F
• Maximum Steam Pressure: 150 psi
• Outside Diameter: 5-51/64 inches
• Overall Length: 3-15/16 inches
• Includes three-piece design: body, nut, and mating seat or gasket for non-rotational disassembly
• Does not include pre-applied thread sealant or seal components
• Meets MSS-SP-114 Class 150 pressure rating standards
• Color: Silver