A spectacle blind is a safety device that isolates a section of a pipeline or an equipment for an extended period. Moreover, it complements a valve when isolation is long term or permanent. The blind part consists of a single sheet of metal, whose size matches the diameter of the pipe .

Spectacle blinds (also defined as “spectacle flanges”) are produced starting from steel plates and are basically made of two interconnected discs: one is actually a ring (i.e. a disc with a hole of the same bore size as the pipeline), and the other is a solid disc.

Spectacle blinds and Spacers are pressure-retaining devices used in the piping/pipeline industry to temporarily or permanently blind (shut) or isolate part of the piping or pipeline system. A spectacle blind is a forged product and a combination of …

Spectacle blinds, alternatively known as spectacle flanges and figure-8 blinds, comprise two metal discs connected by a handle, resembling a pair of spectacles. While one disc is solid, the other features a hole or opening, enabling flow through the system when aligned with the pipe or vessel.

We manufacture spectacle blinds, spacers and blanks to API standards and B31.3 specifications. Capable of size ranges from 1″ – 150 lbs class to 36″ – 2500 lbs class.702.

What is Spectacle Blind flange? Spectacle blind flange is widely used in sealing between two connecting parts and also in supporting them. It is basically a type of safety device. It is installed in the area for the purpose of isolation of a particular part for maintenance, repair or testing.

Explore the differences between spectacle blinds and line blinds. Learn how to choose the right positive isolation device for optimal safety.

Dec 1, 2024 · Spectacle blind flanges are essential for the safe and efficient operation of piping systems across various industries. Their primary function is isolating parts of a pipeline, which is crucial for maintenance and repairs.

Spectacle Blinds combine these two popular components to create a single solution for your routing and flow control needs -- particularly where positive shutoff is required. Like with other piping components, choosing the proper spectacle blind is …

Spectacle blind, spades, and spacers are also known as figure-8, paddle blank, Slip blind, and spacer. These three different components are used in piping for positive isolation of the section of a line or equipment during maintenance and shutdown.