Spectable blind

It is different than a valve in that the blind is a permanent or long term isolation device. These are three different components that used in piping for positive isolation of the section of a line or equipment during maintenance and shutdown. Flange spades and ring spacers, as separate products, are used when the rotation of a spectacle blind would be difficult due to space constraints.

A spectacle blind combines, in one single product, a flange spade and a ring spacer. In most cases, spectacle blinds are installed for long-term use.

Their simple operation and durable design ensure a long service life with minimal maintenance.

Instead of bolting the blind in place around the full circumference of the pipe like you would a. Spectacle Blind Installation. 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. Paddle Spacer Type 2. Click any image above to enlarge it and lock it in place, then scroll to the bottom table for.

It consists of a pair of metal discs attached to each other as shown in the figure. Questo sito o gli strumenti terzi da questo utilizzati si avvalgono di cookie necessari al funzionamento ed utili alle finalità illustrate nella cookie policy.

The line blind shown in use on the right is a spectacle blind or figure 8. In the small picture on the left you can see one of these blinds by itself.

The name spectacle blind or figure is due to it’s shape. The shape is similar to a pair of glasses or “spectacles” – hence the name spectacle. The spectacle blind has both an open and a closed position.

It is a steel plate with a fixed thickness which consists of two discs. The two discs are connected by a flat steel, one is solid and the other is a hollow ring, which is the same diameter as the flange. A ring spacer is bored to match the pipe I. One is solid disc and the other is hollowed. The hollowed disc allows fluid flow and solid disc is used for positive isolation.

You can simply rotate a spectacle blind by 1degrees to close or open a pipe to allow fluid to. One end of the spectacle flange is soli while the other end has a hole in the center. Disco a otto RF, Disco a otto RF. Technical specification of spectacle blind flange) Haihao Group manufacture steel pipes,pipe fittings and flange products according to standard ANSI,ASME,API,BS,DIN,EN,JIS,GOST etc,we also can manufacture the products as per client’s requirements.

If you have any question,please contact us! It is a combination of the two that can be rotated to function as Single Bind or a Ring Spacer.

This kind of flange is generally a piece of metal than is cut to fit between two pipe flanges and usually sandwiched between two gaskets a spectacle blind is often made from two metal discs that are attached to each other by a small section of steel. Blind Seats Rock instrumental, voire psychédélique Boris BOUBLIL (clavier, guitare) Csaba PALOTAÏ (guitare) Emmanuel MARÉE (batterie) Une première en version instrumentale pure pour ces trois compagnons qui se côtoient depuis ans autour des chanteurs Emilie Loizeau, Dominique A, Bertrand.

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During normal operation, the open end is installed as a spacer to allow uninterrupted flow. To stop the flow in the pipeline, the blind end is rotated into place between the flanges. This positively isolates the downstream piping and equipment.

What are spectacle blind flanges? Türkçe online sözlük Tureng. Kelime ve terimleri çevir ve farklı aksanlarda sesli dinleme.

RTJ flanges and requires two pairs of ring joint gaskets unlike the male RTJ spectacle blinds where the gasket is an integral part of the spectacle blind. Ring joint spectacle blind gaskets have the same design shape as lens spectacle blind gaskets.

Ring-Joi nt -Brillensteckscheiben we isen die gleiche konstruktive Ausführung auf w ie Lins en- Brillensteckscheiben.