They have to fit correctly in the pipe application. Long welding neck flange come with imprints relevant to the job information eg, heat number, size, material and part number. The technical drawing,dimensional data sheet and weight list of long weld neck flange lwn 300lb according to asme b16. Hackney ladish manufactures an industry leading line of weld fittings elbows, reducing elbows, tees, reducing tees, concentric reducers, eccentric reducers, crosses, and caps in sizes from 12 to 48 in carbon and high yield steel. Any long weld neck flange manufacturer has to follow the standards set by the american society of mechanical engineers ames. Long weld neck flanges what you need to know texas flange. All connections except lwns will be supplied to the nut stop ns diameter listed unless the nut relief nr diameter is requested. Orifice plate is a specially designed plate with a hole at. Long weld neck standard connection flanges texas flange. Long welding neck 150 lbs nominal pipe size mm outside diam.
Long welding neck flanges catalogue hydraulic and offshore. Standard weld fittings size elbows tees caps long radius 90. Weld neck flanges houstons flange supplier, buffalo. With the largest distributor inventory in the country, we are sure to have what you need, when you need it.
Bore sizes listed are standard, smaller or larger bores available upon request. Weld neck flanges include a long tapered hub that aid in reinforcement and provide temperature pressure resistance. Dimensions, sizes and specification of long welding neck. The uses for long weld neck flanges lwn are predominantly on vessels where an extended neck is required. During dimensional inspection of flange, you should check for. Texas flange and continue reading flange dimensions.
Visit the news page for uptodate information about weldbend. We provide a large selection of long weld neck flanges available in long. If you place the weld joint at the neck of the flange, the pipe is much easier to align and you can achieve a stronger weld. Long weld neck flange manufacturers follow standards. A long neck flange and a welding neck flange have similar features. Rf height, pcd, hub length, no of bolts, bolt size.
Long weld neck flange manufacturing forged components. Weld neck flanges are easily identified by their long, tapered neck. Long weld neck flange dimensions class 150 to class 2500. Buffalo flange, houston has been manufacturing weld neck flanges since 1976. Class 600 standard connections flanges texas flange. Long weld neck lwn equal barrel e click any image above to enlarge it and lock it in. The uses for long weld neck flanges are predominantly on vessels where an extended neck is required. To receive more information about long weld neck connection forging and more, please request a quote or call 281 4414088 to speak to a forged components representative that can answer all of your questions. Download class 150 flanges nps 12 to 24 welding neck. The long weld neck flanges are the best designed buttwelded flange of those currently available becuase of its inherent structural value. Weights are based on manufacturers data and are approximate. Weld neck pipe flanges with a hub have published specifications that range from 12 thru 96.
Kerkau can also quote lengths beyond 12 upon request. Weld neck flanges or weldingneck flanges can be differentiated from all other types of flange by their long tapered hub. In these two pressure classes, almost all suppliers of flanges, show in their catalog or brochure, the h and b dimensions including the raised face height. It is not a reflection of our current product offerings. Texas flange provides the following series of individual pages in html and pdf format that contain flange dimensions of the standard flanges we provide.
Dimensions, sizes and specification of long welding neck flanges1. Flange weight chart, stainless steel flanges weight chart, carbon steel weight chart, wn flange weight chart, weight chart of ss flange, blind flange weight, flange weight chart in kg. Weld neck flanges are often used for applications where high pressure is a factor. Germany standard flange din for soldering or welding pn weight. Long weld neck flange dimensions are covered in asme b16. Many industrial businesses use long neck flanges on columns and barrels as nozzles. This information is also printed along all delivered long welding neck flange. Nominal pipe size, diameter at weld bevel, flange dia, thk of flange, dia of bolt circle, length through hub, dia of hub, wall thk. Bored to match the inside diameter of the mating pipe or fitting, these flanges are directly welded to the end of the pipe. Dimensions of these flanges are covered in asme b16.
Equal lwn barrels and heavy barrels are also popular. This is to ensure that all flanges will be consistent in size, material, weight, and shape. The inside diameter of the flange is designed to match the pipes inside diameter. High pressure forged flanges industrial flanges forged. North shore steel, your exclusive source for long weld neck flanges from metalfar, italy. The welding neck flanges is normally referred to as the high hub flange. This is deemed to be a specialty flange due to the protruding neck or hub, which acts as a boring extension. Long weld neck flanges are ideal for high pressure applications and a key benefit of using them is that they do not interfere with the flow of fluid through the flange. Available for solidworks, inventor, creo, catia, solid edge, autocad, revit and many more cad software but also as step, stl, iges, stl, dwg, dxf and more neutral cad formats. In pressure classes 400, 600, 900, 1500 and 2500, the height of raised face is approximately 6. Where long weld neck flanges are used in application.
The ladish 55 catalog is provided as an industry reference only. It is designed to transfer stresses to the pipe, thereby reducing high stress concentrations at the base of the flange. Weldbend is the only domestic manufacturer of both carbon steel fittings and flanges. Long weld neck flanges information supplier uk arc alloys. Meeting service and quality demands since 1986 texas flange provides the following series of individual pages in html and pdf format that contain flange dimensions of the standard flanges we provide.
Calculated flange weights in pounds class 150 nominal pipe size outside diameter inches slipon threaded socket weld weld neck blind lapjoint 12 3. Dimensions in inches of weld neck flanges and stud bolts. The tapered neck of the weld neck flange offers strength reinforcement and support of the flange and pipe. Carbon steel long weld neck flange, long weld neck flange dimensions. Weld neck flanges are used for a wide variety of applications. Our company provides these in all material grades, specifications and sizes. The information in these pages was compiled from industry sources which texas flange and fitting supply believe to be reliable. Home datasheets flange datasheets standard connection flange datasheets flange long weld neck, ansi class 150, asme b16. Forged seamless long welding necks asme class 150 2500 dimensional data 56 robertjames sales, inc. Click on images for flanges dimensions weld neck flanges dimensions, weld neck flanges dimensions class 300, weld neck flanges dimensions 600, weld neck flanges dimensions chart, weld neck flanges dimensions pdf, weld neck flanges dimensions class 900, weld neck flanges dimensions class 1500, weld neck flanges dimensions in mm, weld neck flanges dimensions pn16, weld neck flanges. Class 150 flanges nps 12 to 24 welding neck traceparts. Long weld neck flanges include a long tapered hub that aid in reinforcement and provide temperature pressure resistance. Outside diameter 12 12 thickness q 1 716 raised face 116.
Threaded, slipon and welding neck reducing flanges. Threaded, slipon and welding neck reducing flanges click to view online. However, a long neck flange has a slightly longer neck. Flat face flanges may be provided at full thickness, c, or with raised face removed the latter is nonstandard. Flanges price list, stainless steel carbon steel flanges. The typical length stocked is 9 and 12 and can be machined to shorter lengths with a quick turnaround. Classes 150, 300, 400, 600, 900, 1500, and 2500 long welding neck flanges click to view online download pdf file.
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