The threaded flange, abbreviated as THDF, is similar to a slip-on flange, but has internal threads. It is normally used for low pressure and not used where temperature or stress is very high. This flange has a raised, flat or RTJ face.

Threaded Flange Standards

ASME Standards

• ASME B16.5 - Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard

Threaded Flange Sizes - 1/2" through 24"

Threaded Flange Related Articles

• See ASME B16.34 - Group 1, Material Spec, Carbon Steel and Alloy Steel
• See bolt circle
• See bolt tightening procedure
• See flange facing, ASME B16.5
• See flange safety spray shield
• See flange
• See flange stamping
• See gasket
• See general flange standards
• See isolation gasket
• See raised face smooth finish
• See spiral wound gasket
• See threaded flange