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  • ANSI B16.47 Series A Class 400 Flanges

ANSI B16.47 Series A Class 400 Flanges

Series A 400 Blind Flange

Series A 400 Weld Neck 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
OCCRXYA12
2638.253.53.8829.528.62flanges, 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 flanges7.622634.512.51.88286501263
2840.753.754.1231.530.818.12283713.252287851522
304344.3833.7532.948.623039.25142.12289051802
3245.254.254.5636359.123241.514.252.122810652077
3447.54.384.813837.199.53443.514.752.122812002415
36504.55.0640.2539.389.883646152.123213402815
3847.54.884.8840.7539.58.12384414.751.88329352450
40505.125.124341.58.54046.2515.523210902848
42525.255.254543.628.814248.2515.7523211903159
4454.55.55.547.2545.629.184450.516.52.123213753635
4656.755.755.7549.547.759.624652.75172.123615254120
4859.56651.549.8810.124855.25182.382817904726
5061.756.196.2553.625210.565057.518.52.383219505303
5263.756.386.4455.625410.885259.518.752.383221255823
54676.696.7557.8856.1211.385462.25202.622825656742
56696.886.9460.1258.2511.755664.2520.252.623227107352
587177.1262.1260.2512.065866.2520.52.623232307986
6074.257.317.4464.3862.3812.56606921.752.883238209126

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 400 Flange PDF (for printing).