Home datasheets flange datasheets standard connection flange datasheets flange long weld neck, ansi class 150, asme b16. The grabcad library offers millions of free cad designs, cad files, and 3d models. Dimensions n1, n2 and n3 are measured at the intersection of the hub draft angle and the back face of the flange. Dimensions in inches of weld neck flanges and stud bolts asme. Weld neck pipe flanges are installed by welding the pipe to the neck of the flange. C o r b 1 a x y 1 weld neck flange r o c blind flange x b 2 o r c y 1 slip on flange.
Some pdf files are protected by digital rights management. Carbon steel pipe flanges dimensions and weights atlas steels. In pressure classes 400, 600, 900, 1500 and 2500, the height of raised face is approximately 6. Calculated flange weights in pounds class 150 nominal pipe size outside diameter inches slipon threaded socket weld weld neck blind lapjoint 12 3. During dimensional inspection of flange, you should check for. We are the din 2633 welding neck flange,din 2633 pn 16 flange manufacturer in china. Bolt length dimensions incorporate the height of the raised face. Welding neck flanges, available in all pressure ratings and sizes, are buttwelded to the end of the pipe, and are usually spec ified.
Weld neck flange dimensions are covered in asme b16. The inside diameter of this attachment is machined to match. Flange clamps clamps are used for providing the holding power to the 4 bolt flange connection. G mm wn blind sow sw nominal size class 150 flanges to asme b16. The weld neck flanges manufactured in stainless steel and duplex steel, we also manufacture weld neck flanges at. Dimensions in inches weld neck flanges and stud bolts asme b16.
Metal industries is a professional steel flanges and forgings manufacturer in india, specialize in manufacturing 600lb welding neck flange mss sp44asme ansi b16. The information in these pages was compiled from industry sources which texas flange and fitting supply believe to be reliable. 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. The dimensions of the bolts are calculated for the type 11 weld neck flange. It is compatible to the pipelines that works in high or low temperature and bear high pressure. There are several types of reducing flanges including weld neck reducing flanges, slipon reducing flanges and threaded reducing flanges. This also reduces high stress concentration at the base of the hub. Weights are based on manufacturers data and are approximate. Dimensions, sizes and specification of long welding neck flanges1. Dimensions in mm for flanges type 21 the outside hub diameter approximately corresponds to the outside pipe diameter. Weld neck flange class 150 inches pounds service metal. For d1 dimensions see document flange facing according to din en 10921. Designof weld neck flangeas per asme sectionviii division2 part 4. This datasheet is for weld neck flanges that have a raised face connection.
Dimensions, sizes and specification of long welding neck. It is relatively expensive because of its long neck, but is preferred for. Weld neck flanges include a long tapered hub that aid in reinforcement and provide temperature pressure resistance. Ansi, mss and api standards govern flange dimensions and tolerances. Specially for the pipe or the valves when pn is larger than 2. Standard bore will be furnished unless otherwise specified. Designof weld neck flangeas per asme sectionviii division2. Long welding neck flanges catalogue hydraulic and offshore. Shree steel india is an international supplier of weld neck flanges. Tolerances and ring gaskets are according to api 6a.
Metric flanges to din and jis standards see page 98. Increase bolt size or reduce loads on flanges isboltsafe yes a m a b isboltsafe yes s 2 bg a b a m w g equation4. Reducing flanges are a specialty flange that are most often used on projects that require the fitting together of different sized pipes. Sizes nps 12 through 312 are same as class 600 flanges. Flange dimension charts for class 150, class 300, class 600, class 900, class 1500 and class 2500 free. Din 2633 pn 16 weld neck flanges,din 2633 pn 16 flanges.
Din flange din welding neck flange din flange din welding neck flange suppliers. Whether youve got a large construction project, or need parts for industrial machinery, our team of steel fabrication consultants will ensure that your project is provided with the parts you need, when you need them. Pn 16 flanges din en 10921 dimensions of pn 16 flanges. Weld flange dimensions welding neck flanges 150 lb. All dimensions are in mm unless otherwise specified. Length thru hub y 2 the 14 inch raised face is not included in. Welding bevel ends of welding neck flanges asme b16. Dimensions other than the oring groove, bolt holes, bolt pattern, and the flange foot print are not governed by any industry standard. Dindindindindin pn40 welding neck flanges glen flange has provided the highest quality custom forgings flanges for a wide range of industries sinceespecially on shipbuilding industry, our team of specialists with over 20 years experience in shipbuilding industry, will help you find the right solution for your customized flanges din ring type joint flanges. Flange type typ as in en 10921 01 plate slipon flanges for welding hubbed threaded flanges 02 loose plate flanges with weld on plate collar 21 integral flanges. This allows for the transfer of stress from the flange to the pipe itself. Dimensions welding neck flangesvorschweissflansche type. Haihao flange factory manufacture din 2633 pn16 welding neck flanges in high quality,we supply flanges according to international standards or customized. Weld neck flange this flange is designed to be joined to a piping system by butt welding.
The charts show the dimensions of weld neck flange class 150, 300, 400, 900, 1500, 2500 in inches and in millimeters with dimensional tolerances. Astm a105 a105n, astm a694 grade f42 f46 f52 f56 f60 f65 f70. Weld necks are often used for high pressure applications. Pipe flange data hub data raised face drilling data weight nominal pipe size outside diameter overall diameter inside.
Flat face flanges may be provided at full thickness, c, or with raised face removed the latter is nonstandard. Other types of flanges can be have different bolt hole diameters and thicknesses, so that the bolts even can have different dimensions. Flat face flanges blind flanges smooth sealing surface outside diameter. Dimensions in inches of weld neck flanges and stud bolts. This standard covers wrought steel welding neck and blind flanges primarily intended for use in oil or gas pipeline systems. These flanges will be furnished with a 116 raised face unless otherwise specified. Notes dimension b corresponds to the pipe inside diameter. The weld neck flanges manufactured in stainless steel and duplex steel, we also manufacture weld neck flanges at our other factory in vapi, gujarat. Din pn16 weld neck flanges pipe flanges and flanges fittings standard covers pressuretemperature ratings, materials, dimensions, tolerances,marking, testing, and methods of designating openings for pipe flanges and flanged fittings. Weld neck flange dimensions class 150 to class 2500. The current din standards for flanges have been replaced by the new euronorm.
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