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. Spectacle blind flanges, stainless steel spectacle blind. Browse blind flanges din pn16 steel in the world wide metric, inc. A wide variety of jis spectacle blind flange options are available to you, such as standard, material. Neelcon steel industries is a professional supplier, mainly engaging on manufacturing various spectacle blind flanges. Blind pipe flanges are pipe flanges used to seal the end of a piping system or pressure vessel openings to prevent flow.
Spectacle blind flanges van leeuwen pipe and tube group. Single blinds or blanks are positive shutoff devices that prevent flow through a pipeline. Normally youre correct and especially when the ff flange is cast iron. The basic standard for line blinding for many years. A spectacle blind is generally a piece of metal that is cut to fit between two pipe flanges and usually sandwiched between two gaskets. 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. 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. Ansi flanges are available at steel tubes india flange in class 400. We can also source many of your other grade requirements. A spectacle blind flange is often made from two metal discs that are attached to each other by a small section of steel. One end of the spectacle flange is solid, while the other end has a hole in the center. Spectacle blind flanges are widely used in special circumstances with their main advantage being that they can be attached to the pipe without welding.
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. Spade flange are basically the same as spectacle blinds, except that both are not attached to each other spade flange be applied in systems where maintenance is often not necessary, or in. Dec 21, 2015 a spectical blind is a combination of both a ring and single spacer. Spectacle blind flanges, spectacle blind flange, standards of. Flange dimensions en10921 introduction british metric standard bs4504 is now obsolete and replaced by en10921 edition 092008 for steel flanges which also incorporates din standard. Flyer spade flanges download pdf catalogue english, 3 mb. Spectacle blinds and line blinds from balcombe engineering, one of the leading blinds and flanges manufactures in australia. Texas flange provides the following series of individual pages in html and pdf format that contain flange dimensions of the standard flanges we provide.
To make switching from one to the other, especially in the larger sizes, a bolt hole or slot in the spacer bar is provided for. 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. Flange weight calculator, wnrf flange weight calculator, stainless steel flange weight calculator, weld neck flange weight calculator, stainless steel flange weight chart, blind flange chart, large. Pdf isolation of process equipment in oil gas project. If you need help deciding which flange best suits your application feel free to contact us. The diameter always is slightly larger than the raised face of a. In there they show both flat face and also rf as an option, i. Jan 25, 2018 the traditional style of line blind offers a broad range of pressures and a lower cost.
You may note that these specs include only weld necks and blinds. Ff spectacle blind mating rf flanges pipelines, piping. You can also choose from stainless steel, carbon steel spectacle blind flange there are 761 suppliers who sells. Click the links below to download any of the following documents in pdf format. Ipss stock a wide range of spectacle blinds from quality approved european material that conform to industry standards, dimensions and client specific designs. 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. 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. Click on images for flanges dimensions swinging a spectacle blind, turning a spectacle blind, changing a spectacle blind, installing a spectacle blind, spectacle blind b16.
Flange end caps electrically insulated inline mixer major straight separator. Flange stud bolts, bolts flanges chart, bolts flanges. The shape is similar to a pair of glasses or spectacles hence the name spectacle blind. 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. Line blanks used only for pressure testing are not part of thisstandard. The largest inventory of spectacle blinds figure8 blindblank, eye glass blindblank in any size, rating or alloy. Spectacle blind flange largest inventory rental or. When to use a spectacle blind flange free download as pdf file. To make switching from one to the other, especially in the larger sizes, a bolt hole or slot in the spacer bar is provided for rotation. 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. These devices are costeffective alternatives to isolation valves. We are the proud member of massma that depicts our sound networking in the market and ability to grow profusely.
Spectacle blind flanges supplier, spectacle blind flanges. A wide variety of spectacle blind flange options are available to you, such as ansi, asme, and din. Flange type typ as in en 10921 01 plate slipon flanges for welding hubbed threaded flanges 02 loose plate flanges with weldon plate collar 21 integral flanges 04 loose plate flanges with weld. Ff spectacle blind mating rf flanges pipelines, piping and. 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. We also offer custommade class 2500 spectacle blind flanges that have been widely. Ansi class 300 up to 2500 flange sizes, thicker or thinner than standard, material options such as stainless or monel are simply not a problem. Class 300 lb pipe flange data hub data raised face drilling data radius nominal pipe size overall diameter wnf flange thickness min blind flange thickness min. The traditional style of line blind offers a broad range of pressures and a lower cost.
The information in these pages was compiled from industry sources which texas flange and fitting supply believes to be reliable. 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. The spectacle flange can be rotated to place either the solid or hollow end within the pipe system, thereby opening or closing the flow. Blind flanges din pn16 steel on world wide metric, inc. Flange drillings in en10921 are generally the same as bs4504 and din 2501 but en10921 covers a wider range. This pipe fitting is generally machined from a piece of metal that is cut to fit between two pipe flanges and usually.
A spectacle blind is often made from two metal discs that are attached to each other by a small section of steel. Fitwel industries llp is the leading manufacturing and supplying of quality ansi b16. Spectacle blind flanges flanges types dimensions table chart price ansi b16. A spectacle blindis a combination of a single blind solid plate and a ring spacer manufactured, for field convenience, as a single unit.
A wide variety of jis spectacle blind flange options are available to you, such as standard. Spectacle blind, flange spade, and ring spacer are forged products used to blind pipelines temporarily or permanently. Pn16 spectacle blind flange dimension with high quality. A spectical blind is a combination of both a ring and single spacer. Blind pipe flanges are commonly used for pressure testing the flow of liquid or gas through a pipe or. The inside diameter of a weld neck pipe flange is machined to match the inside diameter of the pipe. Blind blank flange a solid flange, which can be bolted to a flanged. Fluoroflo spectacle lineblinds ptfe lined steel or. Spectacle flange, spectacle blind flange, figure8 blanks. Spade flanges blank disks type bs are tasked to temporary separation of pipes at maintenance works or pressure.
The spectacle blind flange looks like the figure 8, so it is also known as figure8 blind. For slipons over 24 you must refer to either industry standard which are not automatically covered by asme or boiler code flanges. Metal industries is a professional steel flanges and forgings manufacturer in india, specialize in manufacturing flanges table, flanges dimensions, flanges standard chart, flanges size chart, steel valve, flanges bolts, steel flanges, steel forgings range of flange and forging types and sizes. Our spec blind flanges are available with raised, flat, or rtj faces. A faster, safer alternative to a traditional spectacle blind. It is different than a valve in that the blind is a permanent or long term isolation device. The ansi flanges in the class 400 specification cover slipons, weld necks, lap. Spectacle blind cangzhou shenlong pipe manufacturing co. Spacer and blank dimensions conform to api 590, except thickness t. Spectacle blind flanges, spectacle blind flange, standards.
The large end of the hub may be straight or tapered. Balcombe engineering pty ltd has been the leading australian specialist flange manufacturer in the flange industry for over 50 years servicing a diverse range of customers for flanges, spectacle blinds, and tubeplates. Wide stockists of stainless steel flange class 300, we provide class 300. When to use a spectacle blind flange pipe fluid conveyance.
Spectacle blind flanges, spectacle blind flange, spectacle flanges, spectacle blind flanges manufactory. A figure8 blank also called a spectacle blind is a pressure retaining plate with one solid end and one open. Flanges table flanges dimensions flanges standard chart. Ansi standard stainless steel spectacle blind flanges, astm a105 forged steel spectacle flanges. Spectacle blind, flange spade, ring spacer asme b16. The spectacle flange can be rotated to place either the solid or hollow end within the pipe system, thereby opening or. The diameter always is slightly larger than the raised face of a flange. A spectacle blind combines, in one single product, a flange spade and a ring spacer. Pdf it is one the example of the offshore oil gas construction and. Blind disc spectacle blind interchangeable blind open disc orifice plate end cap 2 breather drip pan elbow flange union socket weld. Spectacle blind flange jackbolt type piping youtube. 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.
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