Flange Fitting; Type Raised Face, Weld Neck; Applicable Standard ASME B16.5/SA105; Nominal Pipe Size 1"; Flange Outside Diameter 4.88"; Thickness 0.62"; End Connection Weld Neck; Material Carbon Steel; Material Specification ASTM A105; Process Forged; Pressure Rating Class 300, 740 PSI; Temperature Rating -20 to 1000 Deg F; Bolt Hole Diameter 3/4"; Number of Bolt 4; Bore Size 1.05"; Weld Neck Diameter 1.32"; Weight 4 Lb; Packaging Quantity 6