Spectacle Blinds
- Figure 8
- Spec or Swing Blind
- Raised Face Spec Blind
A spectacle blind is a safety device used to isolate process piping or equipment when the line or equipment needs to be inspected or removed from service. It is different than a valve in that the spectacle blind is a permanent or long-term isolation device. Delta primarily builds to ASME B16.48, but can build to any specification needed.
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Spectacle Blinds FAQs
Spectacle blinds are used when a valve cannot be installed to control the flow in pipe lines due to space restrictions, a spectacle blind is less in cost and smaller than valves.
Spectacle blinds (also referred to as a “spec blinds” or sometimes even “spectacle flanges”) are devices used to isolate a particular section of line or piece of equipment when the line or equipment needs to be safely inspected or removed.