Inch Dimensions of Weld Neck Flange Rating 2500 as per ASME B16.5

Weld Neck Flange Dimensions
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Weld Neck Flange Dimensions
Weld Neck Flange Dimensions
Metric Dimensions
15030040060090015002500
Inch Dimensions
15030040060090015002500
NPSO
Flange OD
Ttf
Thickness
X
Hub Dia
A
Hub Dia
Y
Length
B
Bore Dia
1/25.251.191.690.842.88BY P
3/45.501.252.001.053.12BY P
16.251.382.251.323.50BY P
1-1/47.251.502.881.663.75BY P
1-1/28.001.753.121.904.38BY P
29.252.003.752.385.00BY P
2-1/210.502.254.502.885.62BY P
312.002.625.253.506.62BY P
414.003.006.504.507.50BY P
516.503.628.005.569.00BY P
619.004.259.256.6310.75BY P
821.755.0012.008.6312.50BY P
1026.506.5014.7510.7516.50BY P
1230.007.2517.3812.7518.25BY P
NPSO
Flange OD
Ttf
Thickness
X
Hub Dia
A
Hub Dia
Y
Length
B
Bore Dia

Templates for drilling of bolt holes

Flange Drilling Template
Flange Drilling Template
NPSBCDBHDBOLTSBDSBL RFYSBL RJMBL RF
1/23.507/843/44.754.504.75
3/43.757/843/45.004.755.00
14.25147/85.505.255.50
1-1/45.121-1/8416.005.756.00
1-1/25.751-1/441-1/86.756.506.75
26.751-1/8817.006.757.00
2-1/27.751-1/481-1/87.757.508.00
39.001-3/881-1/48.758.509.00
410.751-5/881-1/210.009.7510.25
512.751-7/881-3/411.7511.5012.25
614.502-1/88213.5013.2514.00
817.252-1/812215.0014.7515.50
1021.252-5/8122-1/219.2519.0020.00
1224.382-7/8122-3/421.2521.0022.00
NPSBCDBHDBOLTSBDSBL RFYSBL RJMBL RF
Metric Dimensions
15030040060090015002500
Inch Dimensions
15030040060090015002500

General Notes

Dimensions are in inches.