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

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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

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

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

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

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

General Notes

Dimensions are in inches.

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