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IS 6392FlangesTG-DS-087 · size page

DN 350 IS 6392 Plate Flange & Blind Flange Dimensions

DN 350 (14") to IS 6392: OD 490 mm; Bore 357.6 mm; thickness 26 mm.

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Plate flange dimension drawingPlate flange (slip-on, no hub) — face view and section · K = bolt circle (dashed)DBCD

Key to dimensions

D
Outside diameter of flange
B
Bore (inside diameter) of plate flange
C
Flange thickness — plate or blind, raised face (RF) or flat face (FF)

DN 350 IS 6392 Plate Flange & Blind Flange Dimensions — all dimensions

IS 6392 PN 6 (Table 5) — plate and blind flange (mm)

DimensionValueEquivalent
Flange OD — D490 mm19.29 in
Bore — B357.6 mm14.08 in
Plate, RF — C26 mm1.02 in
Blind, RF — C26 mm1.02 in

IS 6392 PN 10 (Table 11) — plate and blind flange (mm)

DimensionValueEquivalent
Flange OD — D505 mm19.88 in
Bore — B357.6 mm14.08 in
Plate, RF — C28 mm1.10 in
Blind, RF — C28 mm1.10 in

IS 6392 PN 16 (Table 17) — plate and blind flange (mm)

DimensionValueEquivalent
Flange OD — D520 mm20.47 in
Bore — B357.6 mm14.08 in
Plate, RF — C32 mm1.26 in
Blind, RF — C32 mm1.26 in

IS 6392 PN 25 (Table 23) — plate and blind flange (mm)

DimensionValueEquivalent
Flange OD — D555 mm21.85 in
Bore — B357.6 mm14.08 in
Plate, RF — C42 mm1.65 in
Blind, RF — C42 mm1.65 in

IS 6392 PN 40 (Table 28) — plate and blind flange (mm)

DimensionValueEquivalent
Flange OD — D580 mm22.83 in
Bore — B357.6 mm14.08 in
Plate, RF — C56 mm2.20 in
Blind, RF — C56 mm2.20 in

IS 6392 PN 64 (Table 34) — plate and blind flange (mm)

DimensionValueEquivalent
Flange OD — D600 mm23.62 in
Bore — B357.6 mm14.08 in
Plate, RF — C72 mm2.83 in
Blind, RF — C72 mm2.83 in

IS 6392 PN 100 (Table 38) — plate and blind flange (mm)

DimensionValueEquivalent
Flange OD — D655 mm25.79 in
Bore — B357.6 mm14.08 in
Plate, RF — C95 mm3.74 in
Blind, RF — C95 mm3.74 in

Values are nominal, from IS 6392 Plate Flange & Blind Flange Dimensions. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.

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FAQ

DN 350 IS 6392 Plate Flange & Blind Flange Dimensions: common questions

What are the DN 350 IS 6392 Plate Flange & Blind Flange Dimensions?

DN 350 (14") to IS 6392: OD 490 mm; Bore 357.6 mm; thickness 26 mm.

Does Teshi Group manufacture DN 350 flanges?

Yes. Teshi Group is an OEM manufacturer in India of flanges to IS 6392, in carbon, alloy, stainless, duplex, super duplex, nickel alloys, titanium and Cu-Ni, with EN 10204 3.1 certificates.

Can I download the DN 350 dimensions as a PDF?

Yes. Use “Download PDF for this size” on this page to get a single-size, print-ready PDF with the drawing and every tabulated dimension, or download the full IS 6392 Plate Flange & Blind Flange Dimensions chart.

Need DN 350 flanges?

Teshi Group manufactures them in India — send your size, rating and material and get a quote in 24–48 hours.

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