ASME B16.5 FLANGE BLIND 1/2" NPS A182-F51 UNS S31803 CL300# RF SMF (RA=3.2-6.3MM ASME B46.1)

Standard: ASME B16.5

Flange Type: Blind

Size: 1/2" NPS (Nominal Pipe Size)

Material: A182-F51 UNS S31803

Class: 300# (Pound Rating)

Flange Facing: Raised Face (RF)

Surface Finish: Smooth Finished Machined (SMF) with a specified surface roughness (Ra = 3.2-6.3 µM, ASME B46.1)

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

Flange Type: Blind, used to seal the end of a pipe or vessel.

Size: 1/2" NPS

Material: A182-F51 UNS S31803, which is a duplex stainless steel suitable for corrosive environments and high-pressure applications.

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

Flange Facing: Raised Face (RF), providing 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), as per ASME B46.1 standard, indicating the smoothness of the flange facing.

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