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(1) This dimension is for the large end of the hub, which may be straight or tapered. Taper shall not exceed 7 deg on threaded, slip-on, socket-welding, and lapped flanges.
FLANGES BS 4504; EN 1092-1; SANS 1123 AND BS 10/1962 TABLES D AND E AS AMENDED 1965 32mm Nominal Bore Pipe OD 42.4 (d1) Table Pipe O.D. d 1 Flange Raised face Bolting Drilling Neck SpigotBoss D b b 1 h h 1 d 4 f No. d 2 k d 3 h 2 ≈ r d 9 ds / 2 (W/N) / 3 (S/0) / 4 (Scrwd) / 8 (Blind) T / D T / E BS 4504 6 120 14 16 26 35 70 2 M12 4 14 90 55 6 ...
- Bolt hole diameter 1/8 in. larger than bolt diameter. - Standard bore dimensions provided. See bore chart for other wall thicknesses. - This dimension is commonly associated with "true" lap joints. Industry standard is to make to the slip on length through the hub.
Flange dimensions data from ASME B16.5 - Data for NPS 1/2 through NPS 24, Class 150-2500, Metric/Inch Standard.
Weld Neck Flange Threaded Flange Slip On Flange Lap Joint Flange Socket Weld Flange Blind Flange . Website: www.pipefittingweb.com Email: wellgrow@pipefittingweb.com Fax: 886-423112578 ANSI B16.5 Class 300 Flanges Nom. Pipe Size O T R X No. & Dia. of Holes Bolt Circle Dia. L2 H B2 L B r L3 B3 D C THr 1/2 3.75 0.56 1.38 1.5. 4-0.62 2.62 2.060.84 ...
I Threading of Pipe for American National Standard Threaded Flanges ..... 103 II Pressure–Temperature Ratings and Dimensional Data for Classes 150, 300, 400, 600, 900, 1500, and 2500 Flanges and Classes 150 and 300
ASME B16.5 provides dimensional tables for each flange type, nominal pipe size, and pressure class, detailing the necessary measurements. These tables help manufacturers and engineers select flanges that meet the exact specifications required for their piping systems. Importance of Dimensional Standards
