A lap joint flange is a type of flange that is used in piping systems. It is made up of two parts: a stub end and a lap joint ring flange. The stub end is butt welded to the pipe, and the lap joint ring flange is then slid over the stub end. The flange ring has a flat face that is used to seal against the gasket. Technical Specifications Material: Carbon steel, stainless steel, alloy steel Size: 1/2" to 48" Pressure class: 150 to 2500 Face type: Flat Face Sealing method: Gasket Advantages of Lap Joint Flanges Easy to install and maintain Can be used in a variety of materials and sizes Available in a variety of pressure classes Applications Lap joint flanges are used in a variety of applications, including: Chemical processing Oil and gas Power generation Water treatment