ASME B16.5 FLANGE 4" NPS A105N CL 300# WN RF SMF ( RA =3.2-6.3 µM ) SCH 40

Standard: ASME B16.5

Flange Size: 4" NPS (Nominal Pipe Size)

Material: A105N

Class: 300# (Pound Rating)

Flange Facing: Weld Neck (WN), Raised Face (RF)

Surface Finish: Smooth Finished Machined (SMF) with a specified surface roughness (Ra = 3.2-6.3 µM)

Pipe Schedule: SCH 40 (Schedule 40)

A weld neck flange meeting ASME B16.5 standard with the following specifications:

Size: 4" NPS

Material: A105N, which is a normalized version of ASTM A105 carbon steel often used in high-temperature and high-pressure applications.

Class: 300#, indicating a pressure rating of 300 pounds per square inch.

Flange Facing: Raised Face (RF), which provides a raised surface for better sealing with gaskets.

Surface Finish: Smooth Finished Machined (SMF), with a specified surface roughness (Ra = 3.2-6.3 µM), indicating the smoothness of the flange facing.

Pipe Schedule: SCH 40, indicating the wall thickness of the accompanying pipe, suitable for various applications.

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