It is different than a valve in that the blind is a permanent or long term isolation device. Backed by a group of specialists, we are engaged in providing a comprehensive range of spectacle blind flanges to our esteemed patrons. Blind flange class 300 inches pounds service metal. A spectacle blind is often made from two metal discs that are attached to each other by a small section of steel. Media in category spectacle blind flange the following 3 files are in this category, out of 3 total. Combining the benefits of both our ez purge and ez vent slip blinds. When your projects require specialty flanges, buffalo flange can help. Find product details of our extensive assortment of steel pipes and tubes, hollow sections, pipe components, bar steel, valves and beams. A wide variety of weld neck blind flanges options are available to. Blind flange datasheets and dimensional information. A spectacle blind flange is often made from two metal discs that are attached to each other by a small section of steel. Blind flanges, blind flange manufacturer in china piping.
The ansi flanges in the class 400 specification cover slipons, weld necks, lap joints, blinds, and threaded flanges. When used at the end of a pipe, vessel or tank, it provides an easy open access for further extension of the pipe. The spectacle blind flange looks like the figure 8, so it is also known as figure8 blind. Ansi flanges for class 400 are provided by steel tubes india flange as forgings unless otherwise specified. A spectacle blind is a safety device used to isolate a section of line or a piece of equipment when the line or equipment needs to be inspected or removed from service. Spectacle flange manufacturers buffalo flange, inc. Spectacle blinds combine these two popular components to create a single.
Spectacle blind may have a different type of joint face rf raised face, ff flat face, rtj ring joint, depending the type of flange. Manufacturer and exporter of astm a105 carbon steel flanges, astm a105 carbon. The difference is that spectacle blinds may need some space to be rotated, and this space is not always available due to the routing of the piping system. It is useful for making repairs to a pipeline and also for expansion or continuation of the pipeline simply by adding onto the final flange. Figure8, model b and model s figure8 spectacle blinds, line blinds and spacers od od id od cc id figure8 model b blind model s spacer. Spectacle blind flange largest inventory rental or purchase. A wide variety of weld neck blind flanges options are available to you, such as ansi, jpi, and din. A spectacle blindis a combination of a single blind solid plate and a ring spacer manufactured, for field convenience, as a single unit. Spectacle blind flanges, spectacle blind flange, standards of. The hot tools slide blind is a patented and registered fitting which provides a faster, safer and ergonomic alternative to a traditional spectacle blind for the purposes of pipe maintenance and servicing applications in a variety of industrial plant settings. A blind flange is a solid disk used to block off a pipeline or to create a stop.
Msc industrial supply is here to support all your metalworking and maintenance repair needs with over 1 million products in stock and ready to ship today. Msc industrial supply is here to support all your metalworking and maintenance repair needs with over 1. The shape is similar to a pair of glasses or spectacles hence the name spectacle blind. A blind flange bf is a piping component for covering or closing the end of a pipe, valve, vessel or tank. The spectacle blinds, spades and spacers are flame cut from plate material and are machined with a smooth or stock finish gasket contact surface. Spectacle blind flanges are widely used in special circumstances with their main advantage being that they can be attached to the pipe without welding. Read about company and get contact details and address. Serves the automotive, marine, mining, power generation, pharmaceutical, agriculture, food and beverage industries. Fluoroflo spectacle lineblinds ptfe lined steel or. Spectacle blind flanges are not real or genuine flanges but division. A faster, safer alternative to a traditional spectacle blind.
Blind flange class 300 inches pounds service metal of. Blind flange manufacturer duwa piping can supply the blind flange in all sizes, materials and specifications strictly acc. Dimensions of class 150 blind and spacer t weld 125 to 250 rms o weld o b t asme b16. Weld neck blind flanges, weld neck blind flanges suppliers. A wide variety of spectacle blind flange options are available to you, such as ansi, asme, and din. As a result, the dimensions of the flanges are restrictively regulated. 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. The wide range of spectacle flanges offered by us is available in quality stainless steel and alloys. Jan 10, 2016 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. Spectacle blind flanges van leeuwen pipe and tube group.
About 95% of these are flanges, 2% are pipe fittings, and 1% are flange. Spectacle blind flanges at rs 50 piece grant road mumbai. Spectacle blinds, also known as figure 8 flanges, are useful for a number of different purposes. 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. A spectacle blind flange also known as a figure8 blind is generally a piece of metal that is cut to fit between two pipe flanges and usually sandwiched between two gaskets. Spectacle blinds are generally applied to permanently separating pipesystems, or just to connect with each other. Buy best spectacle blind flange with escrow buyer protection. Buffalo flange s fabrication team will work with you to produce the studding outlet or flange that is right for your project. Titans spectacle flanges, single blinds, and ring spacers are crucial pipeline accessories when a section of the pipeline may need to be isolated from the rest. Choose the right steel raw material for your spectacle blind, and we will manufacture it to your specifications.
We also offer custommade class 2500 spectacle blind flanges that have been widely appreciated by our clients. Ipss stock a wide range of spectacle blinds from quality approved european material that conform to industry standards, dimensions and client specific designs. Types include slipon, weld neck, lap joint and buttweld flanges. A spectacle blind combines a flange spade and a ring spacer in a single device this is the reason why flange spades are called singleblinds or blanks. A spectacle blind is a steel plate cut into two discs of a certain thickness. A line blind valve is permanently installed into a pipeline. Single blinds or blanks are positive shutoff devices that prevent flow through a pipeline. Spectacle blind, flange spade, ring spacer asme b16. Figure8, model b and model s figure8 spectacle blinds. Due to the nature of our engineering and our further production programme we manufacture each spectacle plate with utmost care, being convinced that it is just as important as any other item in a plant. The two discs are attached to each other by section of steel similar to the nose piece of a pair of glasses. Fitwel industries llp is the leading manufacturing and supplying of quality ansi b16. Shop a large range of blind flanges at msc industrial supply. Handle or tie bar hole is same size as flange bolt hole rtj designs.
Ptfe lined piping and fittings full product catalogue. Buffalo flange is dedicated to flange quality and customer satisfaction. Spectacle blind flanges, stainless steel spectacle blind. Special flanges spectacle blinds, spades and ringspacers. Figure 8 or spectacle blind, is made by a steel spade and spacer, united by a welded handle. Available in various sizes with flat or raised face type. Ansi flanges are available at steel tubes india flange in class 400.
Our standard ptfe lined steel lineblinds fit between ansi class 150 flanges in 12 through 12 pipe sizes. The sealing surfaces of a spectacle blind, spade or ring spacer are usually conducted in accordance with the face finish from. Titans spectacle flanges and blinds titans spectacle flanges, single blinds, and ring spacers are crucial pipeline accessories when a section of the pipeline may need to be isolated from the rest. 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 service.
Ideal for end users that need to regularly purge lines andor vent off dangerous gases or. Tradewell ferromet private limited offering spectacle blind flanges, spectacle blind. Spectacle blinds should be made from a plate or forging specification, approved for use by asme b31. Dimensions of class 300 blind and spacer t weld 125 to 250 rms o weld o b t asme b16. With ring style construction and steel thickness corresponding to ansi class 150 flanges, installation is simplified. Blind flange class 150 inches pounds service metal.
Spectacle blind dimensions a spectacle blind is generally a piece of metal that is cut to fit between two pipe flanges and usually sandwiched between two gaskets. Refer to this article to learn about the dimensions of blind flanges per ansiasme. Download the complete crp lined pipe and fittings brochure pdf. Our vast delivery program includes seamless and welded pipes and tubes according to en, astm and api standards, in a wide variety of steel qualities. This pipe fitting is generally machined from a piece of metal that is cut to fit between two pipe flanges and usually sandwiched between two gaskets when it is installed. For all your blind flange and spectacle blind flange needs, email us or call wats 18002314174 or 79439600. A figure8 blank also called a spectacle blind is a pressure retaining plate with one solid end and one open.
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