Personally, i have seen that version once or twice somewhere. Shree steel india is an international supplier of spectacle blind flanges. The largest inventory of spectacle blinds figure8 blind blank, eye glass blind blank in any size, rating or alloy. The diameter of them, is depending on the flange size, and the thickness from the pressure class of a flange. 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.
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. Special flanges spectacle blinds, spades and ringspacers. Figure8 blanks spectacle blind flange a figure8 blank also called a spectacle blind flange is a pressureretaining plate with one solid end and one open end connected with a web or tie bar. A spectacle blind flange also known as a figure8 blind flange 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. This is another example of a stainless steel flange. Msc industrial supply is here to support all your metalworking and maintenance repair needs with over 1. Spectacle blind flange largest inventory rental or purchase. Spectacle blind flanges, stainless steel spectacle blind. 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. The spectacle blind flanges manufactured in stainless steel and duplex steel, we also manufacture spectacle blind flanges at our other factory in vapi, gujarat.
Again, 2 inch, 150 pound, blind flange, no bore in it. Spectacle blind flanges van leeuwen pipe and tube group. Serves the automotive, marine, mining, power generation, pharmaceutical, agriculture, food and beverage industries. Click any image above to enlarge it and lock it in place, then scroll to the bottom table for dimensions.
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. The spectacle flange can be rotated to place either the solid or hollow end within the pipe system, thereby opening or closing the flow. 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. A wide variety of spectacle blind flange price options are available to you, such as ansi, asme, and iso. 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. Blind flanges are used to end a pipeline either for permanent or temporary reasons. Spectacle blind, flange spade, ring spacer asme b16. Shop a large range of plastic blind flanges at msc industrial supply. A blind flange is a solid disk used to block off a pipeline or to create a stop. As one of the leaders amongst manufacturers, stockist, and exporters of spectacle blinds, asme b16. The basic standard for line blinding for many years. Spectacle blind flange jackbolt type piping youtube.
It is different than a valve in that the blind is a permanent or long term isolation device. Grainger approved blind flange, welded, 4 pipe size pipe. A wide variety of spectacle blind flange options are available to you, such as ansi, asme, and din. Again, its hard to see how the 2 inch fits on it, but the outer diameter matches what a 2 inch flange is. This type is used in conjunction with ring joint gaskets. A raised face would add machining time and complexity so the price would be higher. The traditional style of line blind offers a broad range of pressures and a lower cost. This is a blind flange, and as the name says, there is no bore in it, just a blind flange. Our catalogs are packed with thousands of exceptional products. 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.
The version without raised face is the default and is used everywhere. 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. Figure 8 or spectacle blind, is made by a steel spade and spacer, united by a welded handle. Spectacle blinds, single blinds, ring spacers tee strainers used with 150 lb, 300 lb, 600 lb, 900 lb. Backed by a group of specialists, we are engaged in providing a comprehensive range of spectacle blind flanges to our esteemed patrons. The wide range of spectacle flanges offered by us is available in quality stainless steel and alloys. 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. Shop a large range of blind flanges at msc industrial supply. 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 may have a different type of joint face rf raised face, ff flat face, rtj ring joint, depending the type of flange. Spectacle flange, spectacle blind flange, figure8 blanks. This type of flange is solid with no bore and come in flat or raised. 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.
Jan 25, 2018 the traditional style of line blind offers a broad range of pressures and a lower cost. A faster, safer alternative to a traditional spectacle blind. Call this the bugatti or rolls royce of the line blind world. Looking for grainger approved blind flange, welded, 4 pipe size pipe fitting 4txe6. Handle or tie bar hole is same size as flange bolt hole. A spectacle blind is often made from two metal discs that are attached to each other by a small section of steel. 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. Find product details of our extensive assortment of steel pipes and tubes, hollow sections, pipe components, bar steel, valves and beams. Spectacle blind flanges, spectacle blind flange, spectacle flanges, spectacle blind flanges manufactory. 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. The spectacle blind is usually used on the oil line with two different functions. Spectacle blind flanges, class 150lbs spectacle blind flanges. Blind flange class 150 inches pounds service metal. These flanges are used for capping off or terminating another flange.
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 flange is often made from two metal discs that are attached to each other by a small section of steel. Hayward pipe distributes industrial and commercial flanges in all the materials listed below. The shape is similar to a pair of glasses or spectacles hence the name spectacle blind. One end of the spectacle flange is solid, while the other end has a hole in the center.
Sarda pipes and fittings is one of the leading manufacturer of spectacle blind flanges, alloy steel spectacle blind flanges, carbon steel spectacle blind flanges. Available in various sizes with flat or raised face type. Dimensions from spectacle blinds, spades and ring spacers, you will find in the main menu flanges. After turning 37 jack bolts around the body to make a. Spectacle blind flange manufacturer,stainless steel figure8 blank. Blind flange materials blind flanges are used to seal flanged connection in piping or process equipement. Dhanlaxmi steel distributors is one of the leading manufacturers, supplier and exporters of high quality of stainless steel spectacle blind flanges, carbon steel spectacle blind flanges, copper alloys spectacle blind flanges, titanium spectacle blind flanges, duplex steel spectacle blind flanges suppliers in india. 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.
Single blinds or blanks are positive shutoff devices that prevent flow through a pipeline. 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. Types include slipon, weld neck, lap joint and buttweld flanges. Spectacle blinds should be made from a plate or forging specification, approved for use by asme b31. 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. 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. Blind flanges are commonly produced and stocked in several different materials. Blind flanges are often tapped for instrumentation ports and used to access maintain equipment. Blind flange class 300 inches pounds service metal. The shape is similar to a pair of glasses or spectacles hence the name spectacle. Raised or flat face flanges available in stainless steel 304, 316 and carbon steel. Spectacle blind flange largest inventory rental or.
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