ASME B16.5 A182 304 Pn16 RF CL150 Slip On Flange

ASME B16.5 A182 304 Pn16 RF Stainless Steel CL150 Slip On Flange

　　Slip on flange, also called SO flange. It's a kind of flange slides over the pipe with internal design is slightly larger than the pipe. Since the inner diameter of the flange is slightly larger than the outer diameter of the pipe, the SO flange can be directly connected to equipment or pipe by fillet weld at the top and bottom of the flange. It is used to insert the pipe into the inner hole of the flange.

Types of Slip On Flange

　　The SO flange can be divided into SO welding plate flange and SO welding hubbed steel pipe flange. Its mechanical characteristics are between the integral flange and the looping flange. The structure is simple, and the processing is convenient. So slip on flange welding is widely used in various fluid pipelines.

　　Depends on different face, there are also ranges raised face type and ring type joint face type.

Raised Face Slip On Flange

　　There is a small portion extruded from the bottom face of the slip on flange, this type is raised face slip on flange. The function of this area is to place a gasket seat during installation to get a better sealing performance.

　　As the pressure ratings bigger, the height of this raised face will be bigger.

RTJ Slip on Flange

　　A small grooved is machined on the raised face part, this form is called RTJ type, the function of this groove is to place the gasket ring, also applied for sealing, compared to RF type, RTJ is designed for high pressure use.

　　Slip on flange use slip welding to connect equipment, so either below of name is describing the same flange:

　　· Slip on weld flange

　　· Slip on flange weld

　　· Weld slip on flange

　　· Slip on flange welding

　　· SO flange

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