Inch Dimensions of Lap Joint Flange Rating 2500 as per ASME B16.5

Lap Joint Flange Dimensions
Lap Joint Flange Dimensions
Metric Dimensions
150 300 400 600 900 1500 2500
Inch Dimensions
150 300 400 600 900 1500 2500

NPSOtfX
1/25.251.191.69
3/45.501.252.00
16.251.382.25
1-1/47.251.502.88
1-1/28.001.753.12
29.252.003.75
2-1/210.502.254.50
312.002.625.25
414.003.006.50
516.503.628.00
619.004.259.25
821.755.0012.00
1026.506.5014.75
1230.007.2517.38
NPSOtfX

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Lap Joint Flange Dimensions
Lap Joint Flange Dimensions

NPSYBr
1/21.560.900.12
3/41.691.110.12
11.881.380.12
1-1/42.061.720.19
1-1/22.381.970.25
22.752.460.31
2-1/23.122.970.31
33.623.600.38
44.254.600.44
55.125.690.44
66.006.750.50
87.008.750.50
109.0010.920.50
1210.0012.920.50
NPSYBr

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Templates for drilling of bolt holes

Flange Drilling Template
Flange Drilling Template

NPSBCDBHDBOLTSBD
1/23.507/843/4
3/43.757/843/4
14.25147/8
1-1/45.121-1/841
1-1/25.751-1/441-1/8
26.751-1/881
2-1/27.751-1/481-1/8
39.001-3/881-1/4
410.751-5/881-1/2
512.751-7/881-3/4
614.502-1/882
817.252-1/8122
1021.252-5/8122-1/2
1224.382-7/8122-3/4
NPSBCDBHDBOLTSBD

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Flange Drilling Template
Flange Drilling Template

NPSSBL RFYSBL RJMBL RF
1/24.754.504.75
3/45.004.755.00
15.505.255.50
1-1/46.005.756.00
1-1/26.756.506.75
27.006.757.00
2-1/27.757.508.00
38.758.509.00
410.009.7510.25
511.7511.5012.25
613.5013.2514.00
815.0014.7515.50
1019.2519.0020.00
1221.2521.0022.00
NPSSBL RFYSBL RJMBL RF

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Metric Dimensions
150 300 400 600 900 1500 2500
Inch Dimensions
150 300 400 600 900 1500 2500

General Notes

Dimensions are in inches.