Spectacle Blind Flanges
Spectacle blinds for use with flanges.
Spectacle blind flanges. A spectacle blind is often made from two metal discs that are attached to each other by a small section of steel. Spectacle blind flange cut to fit between two pipe flanges and usually sandwiched between two gaskets. 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.
Titan offers standard dimensions for its spectacle flanges and blinds as given on the catalog sheet please note however that titan s fabricated products are made to each customer s unique. Spectacle blind 2 flanges 3 gaskets 4 stud bolts. Likewise raised face flanges there is an additional thickness on the surface of the disc.
Spectable flanges get their name because they look like a pair of reading glasses or spectacles. Although titan s standard spectacle flanges and blinds are stainless and carbon steel titan has a full range of material selections. This type fits semi metallic gaskets as the spiral wound type.
Spectacle blinds should be made from a plate or forging specification approved for use by asme b31 3 of essentially the same chemical composition as the mating flanges and piping involved. Spectacle blind flanges also known as figure 8 blind flanges are generally pieces of metal. What are spectacle blind flanges.
We typically machine our spectacle blinds using a single piece of metal but for larger size blinds we often craft these from two metal discs that are attached to each other by a small section of steel. Bolting chart for flanges. Spectacle blinds asme b16 48 may be used for installation between asme b16 5 flanges.
Options and special features materials. A spectacle flange is a specialty flange made of two metal discs attached in the middle by a small section of steel. Marcel piping is also supplier of flat face spectacle blind flanges manufactured at our facility to companies in various industries including power generation petrochemical plants pharmaceutical plants shipbuilding oil refineries waste water treatment plants paper mills and turnkey projects among others our spectacle blind flange rf is widely exported to countries and regions such as.
Our offered spectacle blind flange rf different components that used in piping for positive isolation of the section of a line or equipment during maintenance and shutdown. Raised face spectacle blind rf. Ring joint face spectacle blind rtj.
Rtj face dimensions and flange tolerances.
