What Is A Spectacle Blind
A spectacle blindconsists of a blind and spacer.
What is a spectacle blind. The largest inventory of spectacle blinds figure 8 blind blank eye glass blind blank in any size rating or alloy what is a spectacle blind. A spectacle blind is a forged product and combination of a flange spade and a ring spacer in one single product. A spectacle blind is basically made up of two metal discs attached to each other by a metal strip as shown in the figure.
An 8 blind or a spectacle blind is a piping fitting that is used for providing positive isolation. Raised face spectacle blind rf. Similar to a flat face flange the surface of the disc is flat suited for flat face gaskets for low pressure applications.
Spectacle blind 8 blind line blanks. Likewise raised face flanges there is an additional thickness on the surface of the disc. An 8 blind or a spectacle blind is a piping fitting that is used for providing positive isolation.
Spectacle blind spades and spacers are also known as figure 8 paddle blank slip blind and spacer. It is different than a valve in that the blind is a permanent or long term isolation device. A spectacle blind is generally a piece of metal typically carbon steel or stainless steel that is machined to fit between two pipe flanges and usually set in between two gaskets.
A spectacle blind is used in piping for positive isolation of the section of a line or equipment during maintenance and shutdown. Spectacle blind and spacers are a pressure retaining device used in the piping pipeline industry to temporarily or permanently blind shut or isolate part of the piping or pipeline system. Flat face spectacle blind ff.
A spectacle blind or spec blind abbreviated as sb is a safety device used to isolate a section of line or piece of equipment when the line or equipment needs to be inspected or removed from service. The blind is installed in between flanges tosecurely shutdown pipeline during leakage continue reading. What is a spectacle blind and spacerspectacle blind and spacers are a pressure retaining device used in the piping pipeline industry to temporarily or permanently blind shut or isolate.
These are three different components that used in piping for positive isolation of the section of a line or equipment during maintenance and shutdown. It consists of a pair of metal discs attached to each other as shown in the figure. One is solid disc and the other is hollowed.
