Type: Bell Reducing Coupling threaded per ASME B1.20.1, Material: 316 Stainless Steel casting conforms to ASTM A351 ACI Grade CF8M, Dimension per ASME B16.3, Class: 150, NPT Thread Sizes: 4 x 1 inch NPT, Length A: 3.82 inch, Approximate Weight: 4.73 LBS
Click here for a downloadable and printable specification sheet on class 150 threaded reducing couplings constructed of 316 stainless steel