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Library › Tri-clamp & pipe › ASME B16.5 Class 300 pipe flanges, NPS ½ to 24: dimensions, bolt…

Slip-on flange, NPS 10 Class 300

Slip-on flange, NPS 10 Class 300: OD 444.5 mm, raised face dia 323.8 x 1.6 mm, bolt circle 387.3 mm, 16 holes dia 28.6 mm for 1 in bolts; bore 277.4 mm, hub dia 320.7 mm drawn straight, length 65.0 mm from the raised face to the hub end

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

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Dimensions

NPS10
flange OD, in (mm)17.50 (444.5)
thickness incl. raised face, in (mm)1.88 (47.6)
raised-face dia, in (mm)12.75 (323.8)
bolt circle, in (mm)15.25 (387.3)
holes × hole dia, in16 × 1.125
bolt dia, in1
hub dia at base, in (mm)12.62 (320.7)
slip-on hub length, in2.56
weld-neck length, in4.56
slip-on bore, in10.92
weld-neck end OD, in10.75
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From the full sheet

ASME B16.5 Class 300 pipe flanges, NPS ½ to 24: dimensions, bolt circle, slip-on and blind: every size, notes, mating features and sources. What are the dimensions of an ASME B16.5 Class 300 flange (OD, thickness, raised face, bolt circle, bolt holes)?

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