Slip on Flange flat face(SOFF)

Slip on flange also named as SO flange. SO flanges slip over pipes and are designed to bit slightly bigger on the inside than the pipe. They connect to the pipe through a fillet weld at the flange top and bottom. It is used to insert the pipe into the inner hole of flange, as the flange inner diameter is little bigger than the pipe’s outer diameter, pipe and flange could be connected by lap welding at the top and bottom of the flange.

Flange Facing & Manufacture

Similar to welding neck flange, 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.

Technical Drawing, Dimensions & Tolerances

According to ASME 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″

Slip On Flanges (SORF)

A typical drawing of slip on flange with raised face (RF) conforming to ASME B16.5

Jinan Aowei is a leading ANSI ASME B16.5 Class 150 Slip On Flange, Slip on Flanges – SORF, Weld neck Flanges – WNRF, Socket weld Flanges – SWRF, Blind Flanges – BLRF Lapped joint Flanges, Screwed Flanges, Long weld neck Flanges, Reducing Flanges, Spectacle Flanges, Ring joint Flanges manufacturer, stockholder & wholesaler in China .

Email summer@jnaowei.com for all your flange buying needs.