CLASS 150 FLANGES ANSI B16.5 FORGED FLANGES 8 Unit :mm Notes:(1) For the Bore(B1) other than Standard Wall Thickness, refer to page 52. (2) Class 150 flanges except Lap Joint will be furnished with 0.06(1.6mm)raised face, which is included in Thickness(t) and Length through Hub(T1),(T2). (3)For Slip-on, Threaded, Socket Welding and Lap Joint Flanges, the hubs can be
Aug 02, 2021 · Face finish:The finish on the face of flange is measured as an Arithmetical Average Roughness Height(AARH). The finish is determined by the standard used. For example, ANSI B16.5 specifies face finishes within a range 125AARH-500AARH(3.2Ra to 12.5Ra). Other finishes are available on requst, for example 1.6 Ra max,1.6/3.2 Ra, 3.2/6.3Ra or 6.3
Flange Face Finish, Stock Finish, Spiral Serrated finish The ASME B16.5 code requires that the flange face (raised face and flat face) has a specific roughness to ensure that this surface be compatible with the gasket and provide a high quality seal. A serrated finish, either concentric or spiral, is required with 30 to 55 grooves per inch and a resultant roughness between 125 and 500 micro inches.
The ASME B16.5 code requires that the flange face (raised face and flat face) has a specific roughness to ensure that this surface be compatible with the gasket and provide a high quality seal. A serrated finish, either concentric or spiral, is required with 30 to 55 grooves per inch and a resultant roughness between 125 and 500 micro inches. This allows for various grades of surface finish to be made available by flange
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China 150 Slip on Flange 150lb Flat Face Flange - China Face finish:The finish on the face of flange is measured as an Arithmetical Average Roughness Height(AARH). The finish is determined by the standard used. For example, ANSI B16.5 specifies face finishes within a range 125AARH-500AARH(3.2Ra to 12.5Ra). Other finishes are available on requst, for example 1.6 Ra max,1.6/3.2 Ra, 3.2/6.3Ra or 6.3/12.5Ra.
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