3 inch ASME B16.20 Spiral Wound Gasket Dimensions
3 inch (DN 80) to ASME B16.20: Class 150 101.6 mm; Class 300 101.6 mm; Class 600 101.6 mm; Class 900 95.3 mm; Class 1500 92.2 mm.
Key to dimensions
3 inch ASME B16.20 Spiral Wound Gasket Dimensions — all dimensions
Sealing element inside diameter (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| DN | 80 | |
| Class 150 | 101.6 mm | 4.00 in |
| Class 300 | 101.6 mm | 4.00 in |
| Class 600 | 101.6 mm | 4.00 in |
| Class 900 | 95.3 mm | 3.75 in |
| Class 1500 | 92.2 mm | 3.63 in |
| Class 2500 | 92.2 mm | 3.63 in |
Sealing element outside diameter (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| DN | 80 | |
| Class 150–600 | 120.7 mm | 4.75 in |
| Class 900–2500 | 120.7 mm | 4.75 in |
Centering ring outside diameter (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| DN | 80 | |
| Class 150 | 136.7 mm | 5.38 in |
| Class 300 | 149.4 mm | 5.88 in |
| Class 600 | 149.4 mm | 5.88 in |
| Class 900 | 168.4 mm | 6.63 in |
| Class 1500 | 174.8 mm | 6.88 in |
| Class 2500 | 196.9 mm | 7.75 in |
Values are nominal, from ASME B16.20 Spiral Wound Gasket Dimensions. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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FAQ
3 inch ASME B16.20 Spiral Wound Gasket Dimensions: common questions
What are the 3 inch ASME B16.20 Spiral Wound Gasket Dimensions?
3 inch (DN 80) to ASME B16.20: Class 150 101.6 mm; Class 300 101.6 mm; Class 600 101.6 mm; Class 900 95.3 mm; Class 1500 92.2 mm.
Does Teshi Group manufacture 3 inch gaskets?
Yes. Teshi Group is an OEM manufacturer in India of gaskets to ASME B16.20, in carbon, alloy, stainless, duplex, super duplex, nickel alloys, titanium and Cu-Ni, with EN 10204 3.1 certificates.
Can I download the 3 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 B16.20 Spiral Wound Gasket Dimensions chart.
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