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ANSI B16.47 Series B Class 600 Flanges

Series B 600 Weld Neck Flange

Series B 600 Blind Flange

(Click any image above to enlarge it and lock it in place, then scroll to the bottom table for dimensions)
ThicknessDrillingWeights
Nom SizeODWeld NeckBlindOD of RFDia at BaseBoreLTHDia BevelBolt CircleBolt LengthHoleDia# of HolesWeld NeckBlind
/th>OCCRXBYA(1)(2)
26354.384.3828.6227.57.122631.7513.51.75285501194
2837.54.564.5630.8829.627.5283414.251.88286501427
3040.254.94533.1231.758.063036.515.252288101802
3242.755.125.3135.2533.888.53238.75162.12289502159
3445.755.565.6837.5369.193441.517.252.382412052645
3647.755.755.9439.7538.129.563643.517.752.382813403013
385066.1241.540.25103845.7518.252.382814703404
40526.256.3843.7542.2510.384047.7518.752.383216303838
4255.256.626.754644.38114250.519.752.622820304585
4457.256.81748.2546.511.384452.520.252.623221605105
4659.57.067.3150.2548.6211.814654.7520.752.623224105758
4862.757.447.6952.550.7512.444857.522.252.883228556737
5065.757.75854.552.8812.94506023.253.122833307695
5267.7588.2556.554.8813.25526223.753.123235608426
54708.258.5658.755713.755464.2524.253.123239209333
56738.568.8860.7559.1214.255666.7525.53.3832428010,529
58758.759.126361.1214.565868.75263.3832464011,414
6078.59.199.5665.2563.3815.316071.7527.253.6228500013,108

Dimensions are in inches. Weights are in pounds.

(1)- Bolt lenghts are calculated based on bolting one WN to one Blind.
(2)- Bolt diameter should be 1/8″ less than the bolt hole diameter
Note:

Larger sizes as well as intermediate sizes can be furnished.
ANSI B16.47 Series B Class 600 Flange PDF (for printing).