Bolted Coupling, Bolt Hole Diameter Not Applicable, Bolt Material Stainless Steel, Finish/Coating Epoxy Coated, Fitting Nominal Pipe Size 12 in, Fitting Type Flange, For Movement Type Axial, Maximum Operating Pressure 150 psi, Offset Distance Not Applicable, Overall Length 17 1/2 in, Pipe Fitting Material Carbon Steel, Seal Material NBR, Seal Type Included Standard, Basic Fitting Shape Coupling, For Pipe Schedule 250, Standards AWWA C219, Application Acids, Chemicals, Water, Color Blue