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ANSI B16.5 Class 2500 Forged Flanges

ANSI B16.5 Class 2500 Forged Flanges

ANSI B16.5 Class 2500 Forged Flanges
WeldNeck Forged Flange Threaded Forged Flange
ANSI B16.5 Class 2500 Forged Flanges  Weld Neck Forged Flange ANSI B16.5 Class 2500 Forged Flanges  Threaded Forged Flange

Lap Joint Forged Flange

Blind Forged Flange

ANSI B16.5 Class 2500 Forged Flanges   Lap Joint Forged Flange
ANSI B16.5 Class 2500 Forged Flanges  Blind Forged Flange
Nom. Pipe Size O T R X #/Dia of Holesa Bolt Circle Dia B2b B3 H L L2 L3 r C Thr
½ 5.25 1.19 1.38 1.69 4-0.88 3.50 Texas Flange Flanges 0.90 0.84 1.56 2.88 1.56 0.12 0.93 1.12
¾ 5.50 1.25 1.69 2.00 4-0.88 3.75 1.11 1.05 1.69 3.12 1.69 0.12 1.14 1.25
1 6.25 1.38 2.00 2.25 4-1.00 4.25 1.38 1.32 1.88 3.50 1.88 0.12 1.41 1.38
7.25 1.50 2.50 2.88 4-1.12 5.13 1.72 1.66 2.06 3.75 2.06 0.19 1.75 1.50
8.00 1.75 2.88 3.12 4-1.25 5.75 1.97 1.90 2.38 4.38 2.38 0.25 1.99 1.75
2 9.25 2.00 3.63 3.75 8-1.12 6.75 2.46 2.38 2.75 5.00 2.75 0.31 2.50 2.00
10.50 2.25 4.13 4.50 8-1.25 7.75 2.97 2.88 3.12 5.62 3.12 0.31 3.00 2.25
3 12.00 2.62 5.00 5.25 8-1.38 9.00 3.60 3.50 …. 6.62 3.62 0.38 …. ….
4 14.00 3.00 6.19 6.50 8-1.63 10.75 4.60 4.50 …. 7.50 4.25 0.44 …. ….
5 16.50 3.62 7.31 8.00 8-1.88 12.75 5.69 5.56 …. 9.00 5.12 0.44 …. ….
6 19.00 4.25 8.50 9.25 8-2.12 14.50 6.75 6.63 …. 10.75 6.00 0.50 …. ….
8 21.75 5.00 10.63 12.00 12-2.12 17.25 8.75 8.63 …. 12.50 7.00 0.50 …. ….
10 26.50 6.50 12.75 14.75 12-2.63 21.25 10.92 10.75 …. 16.50 9.00 0.50 …. ….
12 30.00 7.25 15.00 17.38 12-2.88 24.38 12.92 12.75 …. 18.25 10.00 0.50 …. ….
Dimensions are in inches.                        
                               
(a)-  Bolt hole diameter 1/8 in. larger than bolt diameter.                  
(b)-  See bore chart for wall thicknesses.                    

 

ANSI B16.5 Class 2500 Forged Flange PDF (for printing).