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 dimensions. Weld flange dimensions welding neck flanges 150 lb. 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. Socket weld flange socket weld flanges were initially developed for use on smallsize high pressure piping. Long weld neck flanges lwn are similar to weld neck flanges, with the exception that the neck tapered hub is extended and acts like a boring extension. Long welding neck flanges catalogue hydraulic and offshore.
Weld neck flange dimensions are covered in asme b16. It is designed to transfer stresses to the pipe, thereby reducing high stress concentrations at the base of the flange. Weld neck flanges are manufactured with top quality materials in different sizes according to the customers requirements. It is not a reflection of our current product offerings. The bore of the flame needs to be specified in order to obkn the same wall thickness at the weld end as the. These steel weld neck flanges are circumferentially welded into the system at its neck which means that the integrity of the butt welded area can be easily examined by radiography.
Nominal size common dimensions bore length thru hub outside diameter d thickness c raised face diameter r fillet radius r weld neck socket b 1 slipon. Metal industries has been a professionally managed manufacturing and exporters of asmeansi b16. Nitech stainless is known worldwide for its extensive high quality range of buttwelded pipe fittings. Outside diameter 12 12 thickness q 1 716 raised face 116. These types of flanges are used with another type of flange to isolate the piping system or to terminate the piping as an end. Weld neck flanges are generally used in high pressure applications, where hot or cold temperatures exist. The ladish 55 catalog is provided as an industry reference only. Learn different types of pipe flanges used in piping.
Weld neck or welding neck flange dimensions, tolerances and required stud bolts, asme b16. Weld neck flanges this flange is circumferentially welded into the system at its neck which means that the integrity of the butt welded area can be easily examined by radiography. Their static strength is equal to slip on flanges, but their fatigue strength 50% greater than doublewelded slip on flanges. This reinforcement area is formed by the added metal thickness, which tapers from the hub of the flange to the weld end. Weld neck flange dimensions class 150 to class 2500. Long weld neck standard connection flanges texas flange. For welding neck and lap joint stub and flange applications an initial root gap spacing between pipe and flange should be 116 to 18.
Methods of welding flanges to pipe the methods used in welding flanges to pipe will vary according to the type of flange and are basically the same as those used in standard welding practices. Long weld neck flanges are generally used on vessels, columns or barrels. Weld neck flanges, wnrf flanges,wn flange,ansi b16. Weld neck flanges and stud bolts dimensions asme b16. Api flanges flanges and studded blocks are designed and manufactured in accordance with the following specifications. Click any image above to enlarge it and lock it in place, then scroll to the bottom table for dimensions. Dimensions in inches of weld neck flanges and stud bolts. This allows for the transfer of stress from the flange to the pipe itself. Sae flanges according to iso 61621 and 2 sae 518 flange clamps, flange adapter and forged 4 bold flanges are made of the material st 52. View all raised face weld neck and related subcategories. Weld neck flange is normally referred to as the high hub flange. Click to download stainless steel weld neck flange pdf. Rtj 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. The weld neck is therefore favoured in critical applications.
The bores of both pipe and flange match, which reduces turbulence and erosion inside the pipeline. Weld neck flanges manufacturer suppliers dealer exporter in india. These types of flanges are used in high pressure and temperature application. Lap joint weld neck socket weld blind threaded slipon dimensions are in inches a bolt hole diameter 18 larger than bolt diameter b standard bore dimensions. Weld neck pipe flanges are installed by welding the pipe to the neck of the flange. Flange dimension charts for class 150, class 300, class 600, class 900, class 1500 and class 2500 free. Din flanges summary chart rated pressure in bar 1 bar 14. Products related with eemua 145 weld neck flanges copper nickel pipes.
The reinforcement area of the weldneck flange figure 6 dis tinguishes it from other flanges. Weld neck pipe flanges are typically provided with a raised face, flat face, or rtj facing. Weld neck flange, wn flange manufacturer landee flange. Email this page download pdf download pdf printable page. Flat face flanges may be provided at full thickness, c, or with raised face removed the latter is nonstandard. The charts show the dimensions of weld neck flange class 150, 300, 400, 900, 1500, 2500 in inches and in millimeters with dimensional tolerances. You may note that either spec only includes weld necks. Api 6a specification for wellhead and christmas tree equipment. Dimensions in inches of weld neck flanges and stud bolts asme. Visit the news page for uptodate information about weldbend, carbon steel weld fittings and flange products, and industry news.
Its biggest use is in high pressure systems such as hydraulic and steam lines. Nitech stainless is the leading weld neck flanges supplier, manufacturer, dealer and exporter in india. Bs 10 standard table d,table e,table f,table h flange. For stainless steel constructions we are using for flange clamps and 4 bolt forged flanges the material 1. The large end of the hub may be straight or tapered.
Weldneck flanges flange types contd also known as a highhub flange or a tapered hub flange, weldneck flanges are. Weldbend is the only domestic manufacturer of both carbon steel fittings and flanges. Weld neck flange class 150 inches pounds service metal. Weld necks are often used for high pressure applications. Weights are based on manufacturers data and are approximate. Dimensions and weights charts of pn 610162540 weld neck flanges en 10921 type 11, with weights and stud bolt requirements.
Nominal pipe size, outside diameter, nominal bore diameter. Coastal flange stocks import and domestic ansi b16. These flanges will be furnished with a 116 raised face unless otherwise specified. Dimensions in inches weld neck flanges and stud bolts asme b16. The welding neck flange is the best designed buttwelded flange of those currently available because of its inherent structural value. This covers plain, boss, integrally cast or forged, and welding neck type flanges, in ten tables. This datasheet is for weld neck flanges that have a raised face connection. Indias most experienced manufacturers,suppliers and exporter of weld neck flanges, wnrf flanges, carbon steel weld neck flanges, ss weld neck flanges,ansiasme b16.
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