• Faced and Drilled Flange, 4 in Nominal Pipe Size, Flanged x FNPT, 9 in Flange Outside Diameter,  Cast Iron, ANSI/ASME Class 125 Flanges per B16.1, Number of Bolt Holes 8.
• Pipe Size – Pipe Fitting: 4″ NPT
• Material: Cast Iron
• Connection to Piping: NPT Thread
• Standard: Conform to ANSI/ASME Class 125 Flanges per B16.1
• Max. Pressure: 150 psi
• Bolt hole dia.: 0.75″
• Thickness: 0.69″ (without Raised Face), 1.3″ (with Raised Face)
• Item dimension: 9 inch length,9 inch Width, 1.3 inch height. Weight: 12 lbs.
• NPT threaded flanges are joined to pipes by screwing the pipe (which has a male NPT thread) onto the flange, without seam welds.