Spectacle blind flanges supplier, spectacle blind flanges. A blind flange is a thick flange with bolt holes and no hole in the middle so it stops flow through the end of the pipe. A blank flange is a thin plate slipped between pipe flanges in a pipeline. The spectacle blind flanges manufactured in stainless steel and duplex steel, we also manufacture spectacle blind flanges at our other factory in vapi, gujarat. Carbon steel pipe flanges dimensions and weights atlas steels. Blind flanges are also used as a manhole cover in the vessel. Note that the slipon flange has a hub similar to the lap joint flange and they should not be.
We provide a large selection of spectacle blind flanges available in spectacle blind flanges in best quality. Blind flanges have the face thickness of a flange, a. 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. Pipe flange raised face drilling template weight stock standard. Blind flanges are used to end a pipeline either for permanent or temporary reasons. Flanges table, flanges dimensions, flanges standard chart, flanges size chart we export. Blind flange dimensions en 1092 pn 61016 projectmaterials. One end of the spectacle flange is solid, while the other end has a hole in the center. A blind flange bf is a piping component for covering or closing the end of a pipe, valve, vessel or tank. This blind flange is available in various sizes and materials and is used to provide positive closer on the ends of pipes, valves or equipment nozzles. Astma182 asmesa182 ansi class forged type 304304l green type 316316l brown click here to view the flange tolerances 150 lb. 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.
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. Spectacle blind flanges, welding neck flange, slip on flange, blind flange, high hub blind flange, socket weld flange, lap joint flange, threaded flange, ring type joint flange. Dimensions nominal pipe size flange raised face g mm. We also offer custommade class 2500 spectacle blind flanges that have been widely appreciated by our clients. The blind flange is used to close ends of piping systems. Blind flanges, just like standard pipe flanges, can be raised face rf or flat faced ff. Learn different types of pipe flanges used in piping. Dimensions include flange od, thickness, bolt circle diameter. Calculation of blind flange thickness cr4 discussion thread. Flanges table, flanges dimensions, flanges standard chart. Spectacle blind flange largest inventory rental or purchase. Spectacle flange a spectacle blind also known as a figure8 blind is generally a piece of metal that is cut to fit between two pipe flange and usually sandwiched between two gaskets.
Shop a large range of plastic blind flanges at msc industrial supply. Hayward pipe distributes industrial and commercial flanges in all the materials listed below. Looking for grainger approved blind flange, welded, 4 pipe size pipe fitting 4txe6. Again, its hard to see how the 2 inch fits on it, but the outer diameter matches what a 2 inch flange is. Click on images for flanges dimensions spectacle blind flange dimensions, blind flange dimensions, blind flange dimensions 150, blind flange dimensions chart, blind flange dimensions asme, ansi blind flange dimensions, api blind flange dimensions, api 6a blind flange dimensions, blind flange bolt size, ansi b16. The top countries of suppliers are india, china, and india, from which the percentage of spectacle blind flange supply is 1%, 98%, and 1% respectively.
The shape is similar to a pair of glasses or spectacles hence the name spectacle blind. Browse blind flanges din pn16 steel in the world wide metric, inc. Spectacle blind flanges, stainless steel spectacle blind. This datasheet is for flanges that have a ring type joint rtj end connection. We carry a full line of stainless steel raised face blind plate flanges, used to block the end of a pipe system or valve. You can also choose from stainless steel, carbon steel spectacle blind flange there are 723 suppliers who sells spectacle blind flange on, mainly located in asia. Shree steel india is an international supplier of spectacle blind flanges. Blind flange has no holes in the center, for to seal the pipe opening. So its function is the same as the pipe plug or the pipe cap.
Spectacle blind flanges flanges types dimensions table chart price ansi b16. The purpose of these is to block off a section of pipe or a nozzle on a vessel that is not used. For a female rtj blind, the area for the gasket seating profile is machined into the blind. Flat face flanges may be provided at full thickness, c, or with raised face removed the latter is nonstandard. It is used to terminate the end of a piping system. Home stainless steel fittings and nipples flanges stainless steel flanges blind flange. 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 difference is blind flange is a detachable equipment, easy to replace.
Spectacle blind flanges, ss spectacle blind flanges. Because the blind flanges sole purpose is to contain the pressure of the pipe, it and its bolts are stressed more. 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. Astm asme asa 105 astm asme a 350, astm a 181 lf 2 a516 gr. Flange thickness q wall thickness v unit weight black paint galvanized nps dn in mm in mm in mm lbs kg lbs kg 1 25 414 108 716 11 38 10 2. Blind flange datasheets and dimensional information. Flange spades and ring spacers, as separate products, are used when the. Blind flanges are commonly produced and stocked in several different materials. Commonly used for closure or nightcapping of flanged pipes. Dimensions and weights of class 2500 rf blind flanges as per asme b16. Stainless blind flanges 300 lbs sandvik materials technology. 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. Hdpe blind flanges are not pressure rated metal backup ring required for sealing at moderate pressures size inch part no. Flanges table, flanges dimensions, flanges standard chart, flanges size chart india.
Dimensions of class 2500 rf blind flanges as per asme b16. 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. Stainless steel raised face blind flanges stainless. Flange weights, dimensions and working pressures prochem. This is another example of a stainless steel flange. A spectacle blind combines, in one single product, a flange spade and a ring spacer. All manufacturing information is printed on the handle of the slide 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. 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. The spectacle flange can be rotated to place either the solid or hollow end within the pipe system, thereby opening or closing the flow.
Save up to 40% on carbon steel spectacle blind flange. Browse blind flanges in the world wide metric, inc. 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. Get suitable spectacle blind flange manufacturers in uae, india, qatar, singapore, dubai, uk, australia and south africa. Spectacle blind, flange spade, and ring spacer are forged products used to blind pipelines temporarily or permanently. A spectacle blind is often made from two metal discs that are attached to each other by a small section of steel. We have a large inventory of stainless steel flanges for your piping needs. The blind flange is basically a flange that does not have a hub or a bored center. When used at the end of a pipe, vessel or tank, it provides an easy open access for further extension of the pipe. It is a kind of round plate with no center hold but with all the proper bolt holes.
Visit stainless steel spectacle blind flange manufacturers factory in india, ask for alloy steel spectacle blind flange free sample. Browse blind flanges din pn10 steel in the world wide metric, inc. These devices are costeffective alternatives to isolation valves. These types of flanges are used with another type of flange to isolate the piping system or to terminate the piping as an end. This is the preferred method as commonly available gaskets are used between the blind and flange. Stainless blind flanges 150 lbs sandvik materials technology. Blind flange class 150 inches pounds service metal. A nozzle is typically a pipe coming out of a vessel and is usually flanged so it can be connected to valves or piping. A blind flange is a solid disk used to block off a pipeline or to create a stop. Again, 2 inch, 150 pound, blind flange, no bore in it. Jan 10, 2016 written by matt milbury on 10 january 2016. The raised face concentrates more pressure on a smaller area, which provides increased containment capability. Special flanges spectacle blinds, spades and ringspacers. Blind flange is like a flange cover, also called blind disk or flanged pipe plug.
Spectacle blinds should be made from a plate or forging specification, approved for use by asme b31. Blind flanges ipsdips hdpe blind flanges commonly used for closure or nightcapping of flanged pipes. If the flange is rf we would recommend a standard ring. The hot tools slide blind is absa approved and falls under asme b16. This type of flange is solid with no bore and come in flat or raised. Spectacle flange, spectacle blind flange, figure8 blanks. Dimensions and weights charts of pn 610162540 blind flanges en 10921 type 05, with weights and stud bolt requirements. Blind flange class 300 inches pounds service metal. Spectacle flange,figure 8 blind flange haihao pipe. It is different than a valve in that the blind is a permanent or long term. 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. Spectacle blind flanges, spectacle blind flange, spectacle flanges, spectacle blind flanges manufactory. These flanges are used for capping off or terminating another flange.
Dimensions from spectacle blinds, spades and ring spacers, you will find in the main menu flanges asme b16. Flange stud bolts, bolts flanges chart, bolts flanges. The most commonly stocked flanges are slipon, weld neck and blind. 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 din pn16 steel on world wide metric, inc. This is a blind flange, and as the name says, there is no bore in it, just a blind flange.
Single blinds or blanks are positive shutoff devices that prevent flow through a pipeline. We also need to know what profile you would like on your gasket surface. Based on flange facing types, it can be further classified as. 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. Blind flange, welded, 4 pipe size pipe fitting grainger. Size diameter circle diameter of of holes weight nps dn d k bolts kgs 12 15 8. Spectacle blind flange manufacturer in stainless steel. Style blind pipe size inch 6 outside diameter inch 11 material grade 304304l distance across bolt hole centers inch 912 number of bolt holes 8.
1022 1444 61 1469 986 203 113 29 769 1396 648 367 1403 1523 1349 1060 732 451 254 264 1081 445 1132 494 1179 832 171 521 1165 1326 492 315 1350 235 1057 1075 602 120 1390 18 499 1401 780 1052