Spectacle Blinds

Prover Accessories: Spectacle Blinds - Phoenix, Scottsdale, Tempe

When a water draw is necessary for prover verification spectacle blinds are a useful option that allows for a complete seal of the system.

Also known as paddle blanks and spacers. All FMD spectacle blinds are produced according to ASMEB31.3-1987 Edition and designed to withstand pressure–temperature combinations listed in the ASA B16.5 flange design specifications.


  • 304 SS
  • 316 SS
  • Customer specified


  • Smooth mill machined
  • Serrated

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