Grip L Pipe Coupling Bolt Material 316 Stainless Steel Finish/Coating Polished Fitting Nominal Pipe Size 1 1/2 in For Movement Type Axial Material Grade 316 Maximum Operating Pressure 232 psi Overall Length 2 3/8 in Pipe Fitting Material Stainless Steel Seal Material EPDM Seal Type Included Standard Basic Fitting Shape Coupling Standards ASTM 1476 CL2 TY2 Application Air Chemical Products Fuel Gas Oil Other Hydrocarb s Solid Water Color Silver