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

Blind flange, NPS 14 Class 300

Blind flange, NPS 14 Class 300: OD 584.2 mm, raised face dia 412.8 x 1.6 mm, bolt circle 514.4 mm, 20 holes dia 31.8 mm for 1.125 in bolts; thickness 54.0 mm including the raised face

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

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Dimensions

NPS12
flange OD, in (mm)20.50 (520.7)
thickness incl. raised face, in (mm)2.00 (50.8)
raised-face dia, in (mm)15.00 (381.0)
bolt circle, in (mm)17.75 (450.8)
holes × hole dia, in16 × 1.25
bolt dia, in1.125
hub dia at base, in (mm)14.75 (374.6)
slip-on hub length, in2.82
weld-neck length, in5.06
slip-on bore, in12.92
weld-neck end OD, in12.75
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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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