Pipe Coupling, Bolt Hole Diameter 1/2 in, Bolt Material Alloy Steel, Finish/Coating Epoxy Coated, Fitting Nominal Pipe Size 3/4 in, Fitting Type Flanged, For Movement Type Vibration, Material Grade 12L14, Maximum Operating Pressure 150 psi, Offset Distance Not Applicable, Overall Length 4 1/2 in, Pipe Fitting Material Steel, Seal Material Nitrile, Seal Type Included Standard, Basic Fitting Shape Coupling, For Pipe Schedule 250