Class 400

Description

Nom. Pipe SizeOTRX#/Dia of HolesaBolt Circle DiaBB2bB3HLL2L3crCDThr
½3.750.561.381.54-0.632.620.88 

 

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0.90.840.882.060.880.120.930.380.62
¾4.620.621.691.884-0.753.251.091.111.0512.2510.121.140.440.62
14.880.6922.124-.0753.51.361.381.321.062.441.060.121.410.50.69
5.250.812.52.54-0.753.881.71.721.661.122.621.120.191.750.560.81
6.120.882.882.754-0.884.51.951.971.91.252.751.250.251.990.620.88
26.513.623.318-0.7552.442.462.381.442.881.440.312.50.691.12
7.51.124.123.948-0.885.882.942.972.881.623.121.620.3130.751.25
38.251.2554.628-0.886.623.573.63.51.813.251.810.383.630.811.38
91.385.55.258-1.007.254.074.141.943.381.940.384.13….1.56
4101.386.195.758-1.007.884.574.64.523.520.444.63….1.44
5111.57.3178-1.009.255.665.695.562.1242.120.445.69….1.69
612.51.628.58.1212-1.0010.626.726.756.632.254.062.250.56.75….1.81
8151.8810.6210.2512-1.12138.728.758.632.694.622.690.58.75….2
1017.52.1212.7512.6216-1.2515.2510.8810.9210.752.884.8840.510.88….2.19
1220.52.251514.7516-1.3817.7512.8812.9212.753.125.384.250.512.94….2.38
14232.3816.2516.7520-1.3820.2514.1414.18143.315.884.620.514.19….2.5
1625.52.518.51920-1.5022.516.1616.19163.69650.516.19….2.69
18282.62212124-1.5024.7518.1818.2183.886.55.380.518.19….2.75
2030.52.752323.1224-1.622720.220.252046.625.750.520.19….2.88
22332.8825.2525.2524-1.7529.2522.2222.25224.256.7560.5….….
2436327.2527.6224-1.883224.2524.25244.56.886.250.524.19….3.25

Dimensions are in inches.

(a)- Bolt hole diameter 1/8 in. larger than bolt diameter.
(b)- Standard bore dimensions provided. See bore chart for other wall thicknesses.
(c)- This dimension is commonly associated with “true” lap joints. Industry standard is to make to the slip on length through the hub.

ANSI B16.5 Class 150 Forged Flange PDF (for printing).

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