Product details description
Slip-on flange is a type of flange that is designed to easily slip over the end of a pipe, making installation straightforward and efficient. This flange type is typically welded both inside and outside to ensure a secure and leak-proof connection, making it suitable for a wide range of applications in various industries.
According to ASME/ANSI B16.5, slip on flanges are available in six pressure ratings covering Class 150, Class 300, Class 400, Class 600, Class 900 and Class 1500 from 1/2″ to 24″, except that slip on flanges of Class 1500 are only available through 1/2″ to 2-1/2″.
The slip on flange conforming to ASME B16.5 may generally be furnished with three facing types: raised face (RF), flat face/ full face (FF), or ring type joint (RTJ). As a flange with hub, it shall be manufactured as one piece in accordance with the applicable material specification, either from forgings or castings.
The slip on flange (S/O flange) manufactured in accordance with ASME B16.5 is a loose-type flange which has no direct connection to the adjoining pipe wall or the nozzle neck, or the vessel. It has a low hub that allows the flange to slip onto the pipe prior to welding. Two fillet welds, one internal and one external, shall be applied to provide sufficient strength and prevent leakage. It requires less skill to assemble and permits aligning bolt holes by rotating the flange before welding.
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