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ANSI B16.47 Series A Class 150 flanges

Series A 150 Weld Neck Flange

Series A 150 Blind Flange

(Click any image above to enlarge it and lock it in place, then scroll to the bottom table for dimensions)
ThicknessDrillingWeight
Nom SizeODWeld NeckBlindOD of RFDia at BaseBoreLTHDia BevelBolt CircleBolt LengthHoleDia#  of HolesWeld NeckBlind
OCCRXBYA(1)(2)
2634.252.632.6329.526.62flanges, flange, industrial flanges, industrial flange, industrial pipe flanges, industrial fittings, industrial pipe, industrial carbon steel, industrial blind, industrial blinds, industrial, industrial waterworks, industrial stainless steel, industrial steel, industrial weld, industrial forgings, industrial orifice, industrial slip, industrial steel flange, industrial steel flanges, industrial titanium flange, industrial titanium flanges4.692631.758.751.3824300702
2836.52.752.7531.528.624.88283491.3828345833
3038.752.882.8833.7530.755.3230369.251.3828400982
3241.753.133.133632.755.633238.510.51.62285051237
3443.753.193.193834.755.823440.510.51.62325401384
36463.53.540.2536.756.133642.75111.62326401676
3848.753.383.3842.25396.133845.25111.62327201819
4050.753.53.544.25416.384047.25111.62367752040
42533.753.7547436.694249.511.51.62368902381
4455.253.943.9449456.944451.75121.62409902717
4657.25445147.127.254653.75121.624010602961
4859.54.194.1953.549.127.5485612.51.624411853348
5061.754.324.3255.551.257.945058.2513.251.884412703716
52644.54.557.553.258.195260.513.751.884414104156
5466.254.694.6959.555.258.445462.75141.884415854639
5668.754.824.826257.388.94566514.251.884817605132
5871556459.389.195867.2514.751.884819155675
60735.135.136661.389.386069.25151.885220456154

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 A Class 150 Flange PDF (for printing).