Class 900

Description

Nom. Pipe SizeOTRX#/Dia of HolesaBolt Circle DiaBB2bB3HLL2L3crCThr
Sizes 1/2″ through 2 1/2″ are identical to class 1500.
39.51.5558-1.007.53.57 flanges, flange, industrial flanges, industrial flange, industrial pipe flanges, industrial fittings, industrial pipe, industrial carbon steel, industrial blind, industrial blinds, industrial, industrial waterworks, industrial stainless steel, industrial steel, industrial weld, industrial forgings, industrial orifice, industrial slip, industrial steel flange, industrial steel flanges, industrial titanium flange, industrial titanium flanges3.63.52.1242.120.383.631.62
411.51.756.196.258-1.259.254.574.64.52.754.52.750.444.631.88
513.7527.317.58-1.38115.665.695.563.1253.120.445.692.12
6152.198.59.2512-1.2512.56.726.756.633.385.53.380.56.752.25
818.52.510.6311.7512-1.5015.58.728.758.6346.384.50.58.752.5
1021.52.7512.7514.516-1.5018.510.8810.9210.754.257.2550.510.882.81
12243.121516.520-1.502112.8812.9212.754.637.885.620.512.943
1425.253.3816.2517.7520-1.632214.1414.18145.128.386.120.514.193.25
1627.753.518.52020-1.7524.2516.1616.19165.258.56.50.516.193.38
183142122.2520-2.002718.1818.218697.50.518.193.5
2033.754.252324.520-2.1329.520.220.25206.259.758.250.520.193.62
24415.527.2529.520-2.6335.524.2524.2524811.510.50.524.194

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 900 Forged Flange PDF (for printing).

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