Slip-on Flange

Slip-on flanges, abbreviated as SOF, are designed to slip over the outside of pipe, long-tangent elbows, reducers, and swages. The flange has poor resistance to shock and vibration. It is easier to align than a weld neck flange. This flange is ideal for low pressure applications since the strength when under internal pressure is about one third that of a weld neck flange. This flange has a raised face.

Slip-on Flange Datasheets

The datasheets we have on this site are shown below. For simplicity sake, only datasheets that adhere to B16.5 are shown. ASME B16.5 covers flange dimensions from ½” to 24”. For sizes larger than this, please visit our flange datasheets page.

Class	Flat Face	Raised Face	Ring Type Joint
ANSI 150	SO Flange ANSI 150 FF (in)	SO Flange ANSI 150 RF (in)	SO Flange ANSI 150 RTJ (in)
ANSI 300	SO Flange ANSI 300 FF (in)	SO Flange ANSI 300 RF (in)	SO Flange ANSI 300 RTJ (in)
ANSI 400	SO Flange ANSI 400 FF (in)	SO Flange ANSI 400 RF (in)	SO Flange ANSI 400 RTJ (in)
ANSI 600	SO Flange ANSI 600 FF (in)	SO Flange ANSI 600 RF (in)	SO Flange ANSI 600 RTJ (in)
ANSI 900	SO Flange ANSI 900 FF (in)	SO Flange ANSI 900 RF (in)	SO Flange ANSI 900 RTJ (in)
ANSI 1500	SO Flange ANSI 1500 FF (in)	SO Flange ANSI 1500 RF (in)	SO Flange ANSI 1500 RTJ (in)
ANSI 2500	SO Flange ANSI 2500 FF (in)	SO Flange ANSI 2500 RF (in)	SO Flange ANSI 2500 RTJ (in)

Slip-on Flange Related Articles

• See bleed ring
• See bolt circle
• See bolt tightening procedure
• See flange bolting examples
• See flange facing, ASME B16.5
• See flange safety spray shield
• See flange stamping
• See flex connector
• See gasket
• See general flange standards
• See isolation gasket
• See pipe end
• See raised face smooth finish
• See spectacle blind
• See spiral wound gasket
• See welded end
• See welding to a flange