1/2 inch ASME B16.48 Spectacle Blind Dimensions (Figure-8)
1/2 inch (DN 15) to ASME B16.48: Outside dia 45 mm; Inside dia 16 mm; Centre line 60 mm; Thickness 3 mm; Web width 38 mm.
Key to dimensions
- A
- Outside diameter of blank and ring
- B
- Inside diameter of the ring (spacer) end
- C
- Centre line distance between blank and ring
- t
- Thickness
- W
- Web (tie bar) width
1/2 inch ASME B16.48 Spectacle Blind Dimensions (Figure-8) — all dimensions
Spectacle blind, RF — Class 150 (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Outside dia — A | 45 mm | 1.77 in |
| Inside dia — B | 16 mm | 0.630 in |
| Centre line — C | 60 mm | 2.36 in |
| Thickness — t | 3 mm | 0.118 in |
| Web width — W | 38 mm | 1.50 in |
Spectacle blind, RF — Class 300 (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Outside dia — A | 51 mm | 2.01 in |
| Inside dia — B | 16 mm | 0.630 in |
| Centre line — C | 65 mm | 2.56 in |
| Thickness — t | 6.4 mm | 0.252 in |
| Web width — W | 38 mm | 1.50 in |
Spectacle blind, RF — Class 600 (mm)
| Dimension | Value | Equivalent |
|---|---|---|
| Outside dia — A | 51 mm | 2.01 in |
| Inside dia — B | 16 mm | 0.630 in |
| Centre line — C | 65 mm | 2.56 in |
| Thickness — t | 6.4 mm | 0.252 in |
| Web width — W | 38 mm | 1.50 in |
Values are nominal, from ASME B16.48 Spectacle Blind Dimensions (Figure-8). Verify critical dimensions against the current edition of the standard before design, purchase or fabrication.
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FAQ
1/2 inch ASME B16.48 Spectacle Blind Dimensions (Figure-8): common questions
What are the 1/2 inch ASME B16.48 Spectacle Blind Dimensions (Figure-8)?
1/2 inch (DN 15) to ASME B16.48: Outside dia 45 mm; Inside dia 16 mm; Centre line 60 mm; Thickness 3 mm; Web width 38 mm.
Does Teshi Group supply 1/2 inch products?
Yes. Teshi Group stocks and supplies products to ASME B16.48 from India, with mill test certificates.
Can I download the 1/2 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 B16.48 Spectacle Blind Dimensions (Figure-8) chart.
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