R46 — ASME B16.20 Ring Joint Gasket Dimensions — Type R
R46 to ASME B16.20: Pitch dia 211.15 mm; Width 12.70 mm; Oval height 19.1 mm; Octagonal height 17.5 mm; Flat width 8.66 mm.
Key to dimensions
- P
- Pitch diameter of ring
- A
- Width of ring
- B
- Height of oval ring
- H
- Height of octagonal ring
- C
- Width of flat on octagonal ring
R46 — ASME B16.20 Ring Joint Gasket Dimensions — Type R — all dimensions
Type R ring joint gaskets (mm) and flange size by class
| Dimension | Value | Equivalent |
|---|---|---|
| Pitch dia — P | 211.15 mm | 8.31 in |
| Width — A | 12.70 mm | 0.500 in |
| Oval height — B | 19.1 mm | 0.752 in |
| Octagonal height — H | 17.5 mm | 0.689 in |
| Flat width — C | 8.66 mm | 0.341 in |
| Class 1500 — NPS | 6" | 0.236 in |
Values are nominal, from ASME B16.20 Ring Joint Gasket Dimensions — Type R. Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
Find another size or standard
Pick a product, standard and size — or just type — to see every dimension and download a watermarked PDF for that one size.
FAQ
R46 — ASME B16.20 Ring Joint Gasket Dimensions — Type R: common questions
What are the R46 — ASME B16.20 Ring Joint Gasket Dimensions — Type R?
R46 to ASME B16.20: Pitch dia 211.15 mm; Width 12.70 mm; Oval height 19.1 mm; Octagonal height 17.5 mm; Flat width 8.66 mm.
Does Teshi Group manufacture R46 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 R46 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 Ring Joint Gasket Dimensions — Type R chart.
Need R46 gaskets?
Teshi Group manufactures them in India — send your size, rating and material and get a quote in 24–48 hours.
Ready to build to spec?
Share your drawing, bill of materials or technical requirements with the Teshi team.