... Flange according to API 6A, API flange in forged steel, Stainless Steel, Carbon steel etc. include type of blind, target, ... support prevents damage to the flange or gasket from excessive bolt torque. Therefore, one of the flanges in 6 BX connection ... API 6A FlangeFlange SizeWorking Pressure (PSI)Outside DiameterNumber of Bolt HolesDiameter of Bolt HolesLength of BoltsAPI Ring Gasket1-13/16"10,0007 ...