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stub end Archives - Projectmaterials

The 13 Types of Flanges for Piping Explained

Which are the most common types of flanges used in piping? How do they look like? The key types of flanges are the welding neck, long welding neck, slip-on, socket weld, lap joint, threaded and blind flanges. In addition to these standard flanges, some special ones exist, called Weldoflange/Nipoflange and Elboflange, swivel flange, expander/reducer flange, and… read more »

Lap Joint Flange Dimensions (Cl. 150/300/900/1500/2500)

The charts show the dimensions of lap joint flange class 150, 300, 400, 900, 1500, 2500 in inches and in millimeters. LAP JOINT FLANGE DIMENSIONS IN INCHES LAP JOINT CLASS 150 (IN INCH) Lap joint flange dimensions class 150 in inches (ASME B16.5) FLANGE NPS Inside Diameter Outside Diameter Bolt Circle (BC) H T1 T2 RA Bolt… read more »

Stub Ends for Flanged Joints

What is a stub end and why should it be used? Stub ends are buttweld fittings that can be used (in combination with a lap joint flange) alternatively to welding neck flanges to make flanged connections. The use of stub ends has two advantages: it can reduce the total cost of flanged joints for piping… read more »