Spectacle Blind

Spectacle Blind – Also known as a ‘Figure-8 Blind’. A metal ring and a solid disc of equal outside diameter parts connected together by a web or tee bar. Each piece has a machined RMS finish on either side of the face to assist in sealing of gaskets. Used between two pipe flanges with the purpose of blocking flow for maintenance or allowing flow for operation. Available in Raised Face and RTJ Styles.


Technical Specifications:
  • Thicknesses are based on ASME B16.48 specifications or the products can be manufactured to customer specifications.
  • Standard surface finish is 125-250 RMS serrated finish. Other finishes available upon request.
  • c/w a standard shop primer on carbon steel products for rust inhibitor purposes.
  • Standard materials for manufacturing are: SA516 Gr. 70N, 316/316L Stainless Steel, 304/304L Stainless Steel and Chrome-moly. Other alloys can be employed upon request.
 © 2011