Spectacle Blind

One of the discs is a solid plate and the other is a ring whose inside diameter is equal to that of a flange. A spectacle blindconsists of a blind and spacer.

Pin On Pipe Flange Manufacturers

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.

Spectacle blind. The difference is that spectacle blinds may need some space to be rotated and this space is not. A Figure8 blank also called a spectacle blind is a pressure retaining plate with one solid end and one open end connected witha web or tie bar see Figure1 Keddco reserves the right to supply the web design integral double tie-bar single wedge that best suitsthe use of the raw material in the construction of the spectable blind. A Spectacle Blind is a steel plate cut into two discs of a certain thickness.

One of the discs is a solid plate and the other is a ring whose inside diameter is equal to that of a flange. As it resembles a pair of eyeglasses or numeric number Eight Spectacle blind is also known as a figure 8 blind and sometimes refer collectively as figure 8 spectacle blind. The blind is installed in between flanges tosecurely shutdown pipeline during leakage or maintenance.

If a section of your pipe needs to be isolated for maintenance or repairs the Spectacle Blind will make the process much easier for you. Spectacle Blinds are generally applied to permanently separating pipesystems or just to connect with each other. The hollowed disc allows fluid flow and solid disc is used for positive isolation.

This blind is a pressure-retaining plate with one solid end and one open end connected with a small nose piece small tie bar. A spectacle blind flange is a combination of a spade fange and a spacer fange. Spectacle Blinds are generally applied to permanently separating pipesystems or just to connect with each other.

A spectacle blind is basically made up of two metal discs attached to each other by a metal strip as shown in the figure. When a blind is notrequired a spacer can be installed in between flanges to continue regularoperating conditions. A spectacle blind 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.

You can simply rotate a spectacle blind by 180 degrees to close or open a pipe to allow fluid to pass. The two discs are attached to each other by section of steel similar to the nose piece of a pair of glasses. ASME B1648 standard that covers Line Blanks.

The two discs are attached to each other by section of steel similar to the nose piece of a pair of glasses. By itself the solid side of the spectacle blind is called a line blank skillet blind paddle blank paddle blind or spade. A single provides closure while a spacer ring keeps a line open.

One part is a blind plate the other part is a ring which has a same outer diameter with the first part. Spectacle Blinds Single Blinds Spacer Rings Vent Blinds Bleed Rings Separating one part of a line from another requires a spectacle blind able to switch from closed to open and back again. A spectacle blind combines a flange spade and a ring spacer in a single device this is the reason why flange spades are called single-blinds or blanks.

Spectacle Blind Type 3. The spectacle blind has both an open and a closed position. The two discs are attached to each other by section of steel similar to the nose piece of a pair of glasses.

A Spectacle Blind is a steel plate cut into two discs of a certain thickness. The spectacle blind is sometimes sold split into its two parts the line blank and the ring spacer. A vented blind can drain a line or allow access to internal pressure.

Now look at the image of this blind. Spectacle Blind Type 4. Spectacle blinds are usually used in piping systems where a particular section needs to be periodically separated or isolated from the rest for either maintenance or safety reasons.

Spectacle blind flange also called figure 8 flange its the most regular spectacle flangeThe shape of spectacle flange is like glasses. USA Industries Spectacle Blinds also called Figure 8 Blinds are manufactured as a single piece of machined metal and eliminates the need for having a seperate paddle blind and ring spacer set to isolate your pipe. One of the discs is a solid plate and the other is a ring whose inside diameter is equal to that of a flange.

If it is positioned so the solid plate is in situ then liquid or gas is prevented from flowing through the pipe whereas the ring plate allows the product to flow through. Paddle Blank Type 1 Click any image above to enlarge it and lock it in place then scroll to the bottom table for dimensions Spectacle Blind Flange Classes Choose your pressure class below. Spectacle blind and Spacers are a pressure-retaining device used in the pipingpipeline industry to temporarily or permanently blind shut or isolate part of the piping or pipeline system.

Paddle Spacer Type 2. Like with other piping components choosing the proper spectacle blind is essential to reliable long-term performance. This standard covers the dimensions for Spectacle Blind Spades and Spacers with pressure class 150 300 600 900 1500 and 2500 as listed in ASME B165.

A spectacle blind is a forged product and combination of a flange spade and a. A spectacle blind is used in piping for positive isolation of the section of a line or equipment during maintenance and shutdown. One is solid disc and the other is hollowed.

A Spectacle Blind is a steel plate cut into two discs of a certain thickness.

Astm B564 Uns N08020 Spectacle Blind Blinds Carbon Steel Steel