Lap Joint Flange

Lap Joint Flange


Certification ISI Certified
Application Pipe Joints
Finishing Polished
Features Fine Quality, Perfect Shape, Rust Proof, Strong Construction
Face type Flat face, Raised face, RTJ, etc
Standards Ansi B16.5, Ansi B16.47 Series A& B, Mss Sp44, Asa, Api-605, Awwa, Custom Drawings.
Size ½”nb to 48” Nb or 15mm to 1200mm.

Lap flange is having two components, a stub end, and a loose backing flange. Stub end is butt welded to the pipe and Backing flange freely move over the pipe. The backing flange can be of different material than stub material and normally of the carbon steel to save the cost. Lap flange is used where frequent dismantling is required, and space is constrained.


Pressure ratings – Class 150, Class 300, Class 600, Class 900, Class 1200, Class 1500, Class 2500, TABLE C, TABLE D, TABLE D, TABLE F, TABLE H, TABLE J, PN6, PN10, PN14, PN16, PN20, PN25, PN40 & AS PER CUSTOM DRAWINGS.

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