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BS EN 1759-1 Class 900 Flange Dimensions

Browse Class 900 steel flange types and their dimensional pages. Request confirmed dimensions and drawings for your selected flange type and nominal size.

3"–24" Own Table Range · varies by type
6 Flange Types
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Generic hubbed flange front and section illustration with symbolic callouts; not a dimensioned class-specific drawing, bolt count varies with size
BS EN 1759-1 Class 900

Browse EN 1759-1 Flanges by Class 900

Select a Class 900 flange type to view its existing dimensional page and connection details.

BS EN 1759-1:2004, Table 2 and Figure 11 / Table 12: 6 applicable types. Table 12 supplies Class 900 dimensions from NPS 3–24; threaded Type 13 stops at NPS 6. At NPS ½–2½ the standard explicitly refers to Class 1500; substitute values are not inserted here. Hero illustration is generic; actual bolt count varies with size. Existing tables await verified values and suitable type drawings. Catalogue and datasheet links remain placeholders.

TYPE 05Verified Class 900 drawing
awaiting source

Type 05 Blank Flange

BS EN 1759-1 · Class 900

Find blank flange outside diameter, thickness, bolt circle, bolt-hole arrangement and facing dimensions. Source coverage: NPS 3–24 in Table 12.
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TYPE 11Verified Class 900 drawing
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Type 11 Weld Neck Flange

BS EN 1759-1 · Class 900

Review weld neck flange dimensions, including flange thickness, bore, neck geometry, bolt circle and facing details. Source coverage: NPS 3–24 in Table 12.
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TYPE 12Verified Class 900 drawing
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Type 12 Hubbed Slip-On Flange for Welding

BS EN 1759-1 · Class 900

Explore hubbed slip-on flange dimensions, bore, hub geometry, thickness, bolt circle and facing details. Source coverage: NPS 3–24 in Table 12.
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TYPE 13Verified Class 900 drawing
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Type 13 Hubbed Threaded Flange

BS EN 1759-1 · Class 900

Review hubbed threaded flange dimensions, bore and thread details, hub geometry, bolt circle and facing specifications. Source coverage: NPS 3–6 in Table 12.
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TYPE 15Verified Class 900 drawing
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Type 15 Loose Hubbed Flange for Lapped Pipe End

BS EN 1759-1 · Class 900

Review loose hubbed flange dimensions, bore, hub geometry, bolt circle and connection details for lapped pipe ends. Source coverage: NPS 3–24 in Table 12.
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TYPE 21Verified Class 900 drawing
awaiting source

Type 21 Integral Flange

BS EN 1759-1 · Class 900

Explore integral flange dimensions, including outside diameter, bore, thickness, bolt circle and facing details. Source coverage: NPS 3–24 in Table 12.
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