This is another example of a stainless steel flange. It is different than a valve in that the blind is a permanent or long term isolation device. To blind the pipeline, and interrupt the flow, the site staff has simply to unscrew the flange bolts and rotate the spectacle blind to its closed position. Read about company and get contact details and address. Msc industrial supply is here to support all your metalworking and maintenance repair needs with over 1. The spectacle blinds, spades and spacers are flame cut from plate material and are machined with a smooth or stock finish gasket contact surface. Tradewell ferromet private limited offering spectacle blind flanges, spectacle blind. You can also make your own knife by naming a group theknife. When used at the end of a pipe, vessel or tank, it provides an easy open access for further extension of the pipe. Ansi flanges for class 400 are provided by steel tubes india flange as forgings unless otherwise specified. A flange is an external or internal ridge, or rim lip, for strength, as the flange of an iron beam. 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.
One end of the spectacle flange is solid, while the other end has a hole in the center. 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. A blind flange bf is a piping component for covering or closing the end of a pipe, valve, vessel or tank. Carbon steel spectacle blind flanges exporter in qatar, asme b16. The opening part of spectacle flange is called spacer or ring spacer, when it is worked in the two flanges, it will not block the fluid running. Media in category spectacle blind flange the following 3 files are in this category, out of 3 total.
Grainger approved blind flange, welded, 4 pipe size pipe. These plates have boltholes around the perimeter of the plate distributed in an even manner. Blind pipe flanges are typically provided with a raised face, flat face, or rtj facing. Looking for grainger approved blind flange, welded, 4 pipe size pipe fitting 4txe6. Ansi flanges are available at steel tubes india flange in class 400. Dimensions of class 150 blind and spacer t weld 125 to 250 rms o weld o b t asme b16. We have what youre looking for and ship our blind flanges worldwide. Single blinds or blanks are positive shutoff devices that prevent flow through a pipeline. Amardeep steel centre is one of the leader manufacturers, supplier and exporters of high quality spectacle blind flanges, stainless steel spectacle blind flanges, ss spectacle blind flanges, carbon steel spectacle blind flanges, alloy steel spectacle blind flanges, nickel alloys spectacle blind flanges in.
Serves the automotive, marine, mining, power generation, pharmaceutical, agriculture, food and beverage industries. The manufacturer facility is located in bazhou city, hebei province covering an area of 100,000 square meters, and the possesses the registered capital of 50 million yuan, the capital assets of 320 million. In this case, the open side of the spectacle is used with a gasket on each side when the customer wants the piping sections connected and operating normally. 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. Blind flanges spectacle blind, skillet blind, figure 8. Dimensions of class 300 blind and spacer t weld 125 to 250 rms o weld o b t asme b16. Spectacle blind flanges at rs 50 piece grant road mumbai. 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. Jul 18, 2014 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. Spectacle blind flange spacers the shape is similar to a pair of. What links here related changes upload file special pages permanent link. The charts show the dimensions of blind flange class 150, 300, 400, 900, 1500, 2500 in inches and in millimeters. Again, its hard to see how the 2 inch fits on it, but the outer diameter matches what a 2 inch flange is. Spectacle blind may have a different type of joint face rf raised face, ff flat face, rtj ring joint, depending the type of flange.
Spectacle blind flanges, spectacle blind flange, spectacle flanges, spectacle blind flanges manufactory. Available in various sizes with flat or raised face type. Shop a large range of blind flanges at msc industrial supply. A spectacle blind flange is often made from two metal discs that are attached to each other by a small section of steel. Again, 2 inch, 150 pound, blind flange, no bore in it. 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. Distributor of blind flanges made from steel and stainless steel. The spectacle blind flanges manufactured in stainless steel and duplex steel, we also manufacture spectacle blind flanges at our other factory in vapi, gujarat. Spectacle blind pipe flanges supplied by siddhagiri metals and tubes is a high quality spectacle blind flanges with spade and ring spacer between the flanges available in astm a182 b462 b564 b381 b151 spectacle flanges.
With a multitude of blind flange options, we have what you need to complete your project. Texas flange provides the following series of individual pages in html and pdf format that contain flange dimensions of the standard flanges. A spectacle blind flange is often made from two metal discs that are. Spectacle blind flanges, spectacle blind flange, standards of. Spectacle blind flanges, stainless steel spectacle blind. Types include slipon, weld neck, lap joint and buttweld flanges. 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. Amardeep steel centre is one of the leader manufacturers, supplier and exporters of high quality spectacle blind flanges, stainless steel spectacle blind flanges, ss spectacle blind flanges, carbon steel spectacle blind flanges, alloy steel spectacle blind flanges, nickel alloys spectacle blind flanges in india. Blind flange manufacturer duwa piping can supply the blind flange in all sizes, materials and specifications strictly acc. Spectacle blind flange largest inventory rental or purchase. The knife is a group you can rotate, change the size of, and even add or remove objects within example add a function curve for an advanced cut. Spectacle blind flanges are widely used in special circumstances with their main advantage being that they can be attached to the pipe without welding. Blind flange styles and materials forged components inc. Blind flange class 300 inches pounds service metal.
A blind flange is a plate for covering or closing the end of a pipe. Figure 8 or spectacle blind, is made by a steel spade and spacer, united by a welded handle. Pipe fittings butt weld fittings forged fittings socket weld fittings threaded fittings flange. Because the blind flanges sole purpose is to contain the pressure of the pipe, it and its bolts are stressed more. Blind flanges are solid round plates that have no center holes. A spectacle blind is often made from two metal discs that are attached to each other by a small section of steel. 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. One end of the blind will have an opening, the spacer ring, to allow flow through the pipe during operation and the other end is solid, the spade, to block flow during maintenance. The spectacle flange can be rotated to place either the solid or hollow end within the pipe system, thereby opening or closing the flow. A blind flange is a solid disk used to block off a pipeline or to create a stop. The ansi flanges in the class 400 specification cover slipons, weld necks, lap joints, blinds, and threaded flanges. The shape is similar to a pair of glasses or spectacles hence the name spectacle blind.
Spectacle blind flanges, spectacle blind flange, standards. A wide variety of spectacle blind flange options are available to you, such as ansi, asme, and din. Blind flanges, blind flange manufacturer in china duwa. It is easy to understand if a spectacle blind is in an open or closed position, as one of the two discs is always outside the pipe so when the ring is visible, the pipeline is closed. Spectacles blind flange elite flanges elite flanges all. Spectacles blind flange elite flanges elite flanges.
To provide guidelines to insure that adequate material is used for blinding flanged lines, or that adequate measures are taken to prevent overpressuring blind material of questionable strength. 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. Grainger approved blind flange, welded, 4 pipe size. We provide a diverse stock of spectacle blind flanges, skillet blind flanges, forged steel blind flanges, and more.
Our catalogs are packed with thousands of exceptional products. The spectacle blind is usually used on the oil line with two different functions. Spectacle blind, flange spade, ring spacer asme b16. A spectacle blind is generally a piece of metal that is cut to fit between two pipe flanges and usually sandwiched between two gaskets. These flanges will be furnished with a 116 raised face 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. Shree steel india is an international supplier of spectacle blind flanges. Jun 16, 2016 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. Spectacle flange, spectacle blind flange, figure8 blanks.
What is a spectacle blind flange 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. Blind flange datasheets and dimensional information. You can also choose from stainless steel, carbon steel spectacle blind flange there are 761 suppliers who sells spectacle blind flange on, mainly located in asia. The two parts of the spectacle blind flange could be separated to be used, the blind part of the spectacle flange is called spader or paddle, it is used to block the flow fluid in the piping system. 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.
A spectacle blind is often made from two metal discs that are attached to. They cover the ends of pipes and can help with pipeline cleaning and maintenance. 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. 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. It is different from a valve in that the blind is a permanent or long term isolation device. This is a blind flange, and as the name says, there is no bore in it, just a blind flange. Spectacle blind flange largest inventory rental or. 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.
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