Separating one part of a line from another requires a spectacle blind, able to switch from closed to open and back again. Bleed rings provide a means to release pressure from the pipe through a controlled opening. Materials used: Stainless Steel:Â ...
Spectacle Blind  These types of flanges are made from plate, and come in three different types. The first and most widely used type are spec blinds – short for spectacle these are flanges with two equal outside diameter (OD) parts welded...
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