12 inch ASME B16.5 Flange Weight
12 inch (DN 300) to ASME B16.5: Class 150 39.0 kg; Class 300 64.4 kg; Class 600 102 kg; Class 1500 313 kg; Class 2500 729 kg.
Key to dimensions
12 inch ASME B16.5 Flange Weight — all dimensions
Weld neck flange weight (kg, approximate)
| Dimension | Value | Equivalent |
|---|---|---|
| Class 150 | 39.0 kg | 86.0 lb |
| Class 300 | 64.4 kg | 142.0 lb |
| Class 600 | 102 kg | 224.9 lb |
| Class 1500 | 313 kg | 690.0 lb |
| Class 2500 | 729 kg | 1607.2 lb |
Slip-on flange weight (kg, approximate)
| Dimension | Value | Equivalent |
|---|---|---|
| Class 150 | 27.7 kg | 61.1 lb |
| Class 300 | 51.3 kg | 113.1 lb |
| Class 600 | 97.0 kg | 213.8 lb |
| Class 900 | 148 kg | 326.3 lb |
Blind flange weight (kg, approximate)
| Dimension | Value | Equivalent |
|---|---|---|
| Class 150 | 43.7 kg | 96.3 lb |
| Class 300 | 78.9 kg | 173.9 lb |
| Class 600 | 134 kg | 295.4 lb |
| Class 900 | 188 kg | 414.5 lb |
| Class 1500 | 314 kg | 692.3 lb |
Values are nominal, from ASME B16.5 Flange Weight Chart. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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Other sizes — ASME B16.5 Flange Weight Chart
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12 inch ASME B16.5 Flange Weight: common questions
What are the 12 inch ASME B16.5 Flange Weight?
12 inch (DN 300) to ASME B16.5: Class 150 39.0 kg; Class 300 64.4 kg; Class 600 102 kg; Class 1500 313 kg; Class 2500 729 kg.
Does Teshi Group manufacture 12 inch flanges?
Yes. Teshi Group is an OEM manufacturer in India of flanges to ASME B16.5, in carbon, alloy, stainless, duplex, super duplex, nickel alloys, titanium and Cu-Ni, with EN 10204 3.1 certificates.
Can I download the 12 inch 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 ASME B16.5 Flange Weight Chart chart.
Need 12 inch 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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