» Flange & Fitting » ASME B16.5 Welding Neck Flange Class 150

ASME B16.5 Welding Neck Flange Class 150

July 3, 2019

Technical Drawing

Drawing for WN flange 150LB

Technical drawing for welding neck flange conforming to ASME B16.5 Class 150, raised face (RF).

Bolts & nuts for 150LB flange

Machine bolt with nuts and stud bolt with nuts for the bolting of ASME B16.5 flanges.

Dimensions and Weights

SizeDTGt
1/2"909.634.92.0
3/4"10011.242.92.0
1"11012.750.82.0
1-1/4"11514.363.52.0
1-1/2"12515.973.02.0
2"15017.592.12.0
2-1/2"18020.7104.82.0
3"19022.3127.02.0
3-1/2"21522.3139.72.0
4"23022.3157.22.0
5"25522.3185.72.0
6"28023.9215.92.0
8"34527.0269.92.0
10"40528.6323.82.0
12"48530.2381.02.0
14"53533.4412.82.0
16"59535.0469.92.0
18"63538.1533.42.0
20"70041.3584.22.0
22"75044.5641.42.0
24"81546.1692.22.0
*The dimensions of outside diameter, flange thickness, and raised face of ASME B16.5 Class 150 welding neck flange. D: outside diameter of flange; T: flange thickness; t: height of raised face; G: outside diameter of raised face; all units are mm.

SizeKndlL
1/2"60.345/81/255
3/4"69.945/81/265
1"79.445/81/265
1-1/4"88.945/81/270
1-1/2"98.445/81/270
2"120.743/45/885
2-1/2"139.743/45/890
3"152.443/45/890
3-1/2"177.883/45/890
4"190.583/45/890
5"215.987/83/495
6"241.387/83/4100
8"298.587/83/4110
10"362.01217/8115
12"431.81217/8120
14"476.3121-1/81135
16"539.8161-1/81135
18"577.9161-1/41-1/8145
20"635.0201-1/41-1/8160
22"692.2201-3/81-1/4170
24"749.3201-3/81-1/4170
*The bolting dimensions of ASME B16.5 Class 150 welding neck flange. K: diameter of bolt circle; n: number of bolts; d: diameter of bolt holes; l: diameter of bolts; L: length of stud bolts for 2 mm raised face flange; The length of the stud bolt does not include the height of the points. All units are mm except that d and l are provided in inch.

SizeYXAMs
1/2"463021.30.48
3/4"513826.70.71
1"544933.41.01
1-1/4"565942.21.33
1-1/2"606548.31.72
2"627860.32.58
2-1/2"689073.04.11
3"6810888.94.92
3-1/2"70122101.66.08
4"75135114.36.84
5"87164141.38.56
6"87192168.310.6
8"100246219.117.6
10"100305273.024.0
12"113365323.836.5
14"125400355.648.4
16"125457406.460.6
18"138505457.068.3
20"143559508.084.5
22"148610558.887.4
24"151663610.0115
*The dimensions of hub and weights for ASME B16.5 Class 150 welding neck flange. Y: length through hub; X: diameter of hub at base; A: diameter of hub at top welding point; Ms: approximate weights/ masses of the flange; Generally, the bore diameter B of flange is equal to A minus two times of nominal wall thickness of adjoining pipe. All dimensions are in mm and the weights are in kg.

ASME B16.5 WN Flanges: Dimensions & Weights
Class150Class 300Class 400Class 600
Class 900Class 1500Class 2500-
*Click to view the dimensions and weights for other pressure ratings.

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