Threaded Flanges


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Flange Type Threaded
Flange Size Varies (e.g., 1/2", 3/4", 1", 2", etc.)
Pressure Class

ANSI Class 150, 300, 600, 900, 1500, 2500, etc.

Flange Material

Carbon steel, stainless steel, alloy steel, etc.

Flange Facing Raised face (RF), flat face (FF), etc.
Flange Standard

ANSI/ASME B16.5, API 6A, MSS SP-44, etc.

Thread Specification

NPT (National Pipe Thread) or other standards

Thread Size Varies (e.g., 1/4", 3/8", 1/2", etc.)
Thread Length Varies (e.g., short, long, extra-long)
Bolt Circle Diameter Varies (e.g., 2.875", 3.75", 5.0", etc.)
Number of Bolt Holes Varies (e.g., 4, 8, 12, etc.)
Bolt Hole Diameter Varies (e.g., 0.5", 0.75", 1.0", etc.)
Flange Face Finish

Smooth, serrated, spiral serrated, etc.

Temperature Range

Dependent on the material and application

Suitable Fluids

Dependent on the material and application

Flange Certification API 6A, ISO 9001, PED, etc.
Additional Specifications

Varies based on specific requirements