A spectacle blind is generally a piece of metal, typically carbon steel or stainless steel, that is machined to fit between two pipe flanges and usually set in between two gaskets. Spectacle flange, spectacle blind flange, figure8 blanks. Spectacle blind flange best china piping solution supplier. Special flanges spectacle blinds, spades and ringspacers. These devices are costeffective alternatives to isolation valves. Spectacle blind flange, stainless steel spectacle blind. Spectable flanges get their name because they look like a. Spectacle blind flanges flangesforgingsflangeforging. Coastal flange prides themselves on being able to provide excellent service to our customers for both custom flanges and industry specified flanges in carbon, stainless, and exotic materials. Spectacle blind flange manufacturer, stainless steel spectacle blind.
Jan 10, 2016 written by matt milbury on 10 january 2016. Paddle blind dimensions thickness chart usa industries, inc. Api 6a flanges are of the ring joint type and are not designed for facetoface makeup. Spectacle blind flanges, spectacle blind flange, standards of. It is a combination of the two that can be rotated to function as single bind or a ring spacer.
Please note, however, that titans fabricated products are made to each customers unique. Spectacle blind flange definition spectacle blinds flanges are generally applied to permanently separating pipesystems, or just to connect with each other. 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. China spectacle blind flanges manufacturer epower metals supplies. Spectacle blind flange the shape is similar to a pair of glasses or spectacles hence the name spectacle blind. Flanges table, flanges dimensions, flanges standard chart, flanges size chart we export. These standard dimensions of spectacle blinds are in specified in inches. 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.
Flanges table, flanges dimensions, flanges standard chart. The largest inventory of spectacle blinds figure8 blind blank, eye glass blind blank in any size, rating or alloy what is a spectacle blind. A spectacle blind is basically made up of two metal discs attached to each other by a metal strip as shown in the figure. A spectacle flange is a specialty flange made of two metal discs attached in the middle by a small section of steel. Coastal flange stocks import and domestic ansi b16. Surfaces dimensions material the sealing surfaces of a spectacle blind, spade or ring spacer are usually conducted in accordance with the face finish from the flange. Api 6a flange, api 6a spectacle blind flange dimensions. Spectacle blind flange largest inventory rental or purchase. Spectacle blind, flange spade, ring spacer asme b16. An 8 blind or a spectacle blind is a piping fitting that is used for providing positive isolation a spectacle blind is basically made up of two metal discs attached to each other by a metal strip as shown in the figure. One end of the blind will have an opening to allow flow through the pipe during operation and the other end is solid to block flow during maintenance.
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. It is different than a valve in that the blind is a permanent or long term. Astm a 182, a 240 f 304, 304l, 304h, 316, 316l, 316ti, 310, 310s. 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. Although titans standard spectacle flanges and blinds are stainless and carbon steel, titan has a full range of material selections dimensions and specifications. Titan offers standard dimensions for its spectacle flanges and blinds, as given on the catalog sheet.
Spectacle blind flange largest inventory rental or. Dimensions of spectacle blinds according to asme b16. A spectacle blind is often made from two metal discs that are attached to each other by a small section of steel. Click any image above to enlarge it and lock it in place, then scroll to the bottom table for dimensions. A spectacle blind flange also known as a figure8 blind flage is generally a piece of metal that is cut to fit between two pipe flanges and usually sandwiched between two gaskets. 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 flanges 5k 10k 16k pn6 d e table ansi flanges. Spectable flanges get their name because they look like a pair of reading glasses, or spectacles. We provide ansi, api, and awwa pipe flanges in carbon steel, stainless steel, alloys, and chrome steel. A spectacle blind combines, in one single product, a flange spade and a ring spacer. As one of the leaders amongst manufacturers, stockist, and exporters of spectacle blinds, asme b16. In practice, these dimensions have been rounded round off upwards. The diameter always is slightly larger than the raised face of a flange.
Single blinds or blanks are positive shutoff devices that prevent flow through a pipeline. Spectacle blind flanges, ss spectacle blind flanges. Addition to it, in order to ensure safer shipping product is packed. A spectacle blind flange is often made from two metal discs that are. Our carbon steel spectacle blind flange is fabricated with the wall thickness having the same dimensions. There are three places in 29 cfr where line blinds are specifically noted as a safety device. Dimensions from spectacle blinds, spades and ring spacers, you will find in the main menu flanges asme b16. Spectacle blind, flange spade, and ring spacer are forged products used to blind pipelines temporarily or permanently. Ff spectacle blind mating rf flanges gerhardl mechanical 30 nov 15. Texas flange flanges steel flanges industrial pipe flanges. Spectacle blinds, female rtj design as per asme b16. A spectacle blind is a steel plate cut into two discs of a certain thickness. A spectacle blind is generally a piece of metal that is cut to fit between two pipe flanges and usually sandwiched between two gaskets. This standard covers the spectacle blind, spades and spacers with pressure class 150, 300, 600, 900, 1500, and 2500 as listed in asme b16.
A figure8 blank also called a spectacle blind flange is a pressureretaining plate with one solid end and one open end connected with. Api 6a flange, api 6a spectacle blind flange dimensions weight. Wt thickness of the web or tie bar should be 6 mm minimum, or equal to thickness t if less than 6 mm. Texas flange flanges steel flanges industrial pipe. Spectacle blinds or line blanks are flat plates sandwiched between flanges for positive isolation of process fluid. Steel mart india is assuring timely delivery of the ansi b16. 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 two discs are attached to each other by section of steel similar to the nose piece of a pair of glasses. An 8 blind or a spectacle blind is a piping fitting that is used for providing positive isolation. Spectacle flanges, stainless steel alloy steel carbon steel a350 lf2 a350 lf3 astm a182 astm a105 flanges ansi b16.
Spectacle blinds are flat plates sandwiched between flanges for positive isolation of process fluid. Ff spectacle blind mating rf flanges pipelines, piping. Flanges table, flanges dimensions, flanges standard chart, flanges size chart india. High pressure steel flange, forged flanges, ansi asme b16. Stock size range and specifications for spectacle blind flanges. Spectacle blind flanges, spectacle blind flange, standards. 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.
The hollowed disc allows fluid flow and solid disc is used for positive. The shape is similar to a pair of glasses or spectacles hence the name spectacle blind. Dimensions of class 600 blind and spacer t weld 125 to 250 rms o weld o b t asme b16. Spectacle blind flange it is generally a piece of metal that is cut to fit between two pipe flanges and usually sandwiched between two gaskets. 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. Flanges table flanges dimensions flanges standard chart. Spectacle blinds should be made from a plate or forging specification, approved for use by asme b31. Spectacle blind flange manufacturer in stainless steel. We provide spectacle blind flanges in material stainless steel, carbon steel, alloy steel, duplex steel, inconel, monel, hastelloy, coppernickel etc. Spectacle blind flanges carbon spectacle blind flanges. Spectacle blind, slip blind and spacers paddle blank and.
Spectacle blind flange manufacturer, stainless steel. Styles we offer include weld neck, slip on, blind, threaded, socket weld, lap joint, orifice flanges, ring, and custom flanges in sizes from 12. Standard dimensions of spectacle blind 8 blind enggcyclopedia. 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, slip blind and spacers paddle blank and spacer. Traders of en 10921 type 02 spectacle flange in india, asme b16. Flange spades and ring spacers, as separate products, are used when the. This type is used in conjunction with ring joint gaskets.