4381006040 - 1-1/2" FNPT SS Threaded Flange
4381006040 - 1-1/2" FNPT SS Threaded Flange
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The ZORO SELECT - 4381006040 is a forged 316/316L stainless steel threaded flange with an FNPT connection to male National Pipe Thread (NPT) threads, forming a bolted flange joint without welding. It is constructed from forged 316 stainless steel (316/316L) and has a Class 300 pressure class. It features a raised face connection surface and conforms to ASTM-SA182, ANSI B16.5, and ASME B1.20.1 standards. The flange facilitates assembly and disassembly in piping systems where welding or heat application is impractical. Key Features:
- - Nominal Pipe Size: 1 1/2 in
- - Maximum Operating Pressure: 720 psi
- - Maximum Steam Pressure: 300 psi
- - Flange Outside Diameter: 6 1/8 in
- - Bolt Circle Diameter: 3 7/8 in
- - Number of Bolt Holes: 4 with 7/8 in diameter each
- - Flange Thickness: 3/4 in
- - Connection Type: Female National Pipe Thread (FNPT)
- - Material: Forged 316 Stainless Steel (grade 316/316L)
- - Product Type: Threaded Flange
- - Pressure Class: Class 300
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