The flange simply slides onto the pipe where two fillet welds, one on the outside and the other on. Flange dimensions en10921 introduction british metric standard bs4504 is now obsolete and replaced by en10921 edition 092008 for steel flanges which also incorporates din standard. Carbon steel pipe flanges dimensions and weights atlas steels. Their static strength is equal to slip on flanges, but their fatigue strength 50% greater than doublewelded slip on flanges. Slip on flange is essentially a ring that is placed over the pipe end, with the flange face extending from the end of the pipe by enough distance to apply a weld bead on the inside diameter. Situated on 36 acres and with over 300,000 square feet dedicated to production and stock, weldbend can ship any size order the same day. The flange simply slides onto the pipe where two fillet welds, one on the outside and the other on the inside, seal and fasten the connection. In this article ill teach you how to design a custom flange according to asme section viii division 1 appendix 2 and how to use our spreadsheet to aid you in your journey which, by the way, isnt that dificult when you pay attention to details first of all, before thinking about designing a custom flange, you should check if its really necessary because its usually more.
They can be made of a number of different materials such as stainless steel, cast iron, aluminium, brass, bronze, or plastic, among others. Flat face flanges may be provided at full thickness, c, or with raised face removed the latter is nonstandard. Welding neck flanges, available in all pressure ratings and sizes, are buttwelded to the end of the pipe, and are usually spec. Email this page download pdf download pdf printable page. These flanges have the same diameter and drilling as ansiasme b16.
Flanges fittings fluidline products imports and stocks a comprehensive range of stainless steel pipe, tubing, fittings and flanges. Slip on pipe flanges are typically provided with a raised or flat face. This type of flange is available in large sizes also to connect bigbore piping with. They are preferred over welding neck flanges bu many users due to their lower intial cost, but final intallation cost is probably not much less than that of the welding neck flange because of the additional welding involved. Drilling, bolting, facing and thickness dimensions are applicable also to integral end flanges of valve and fittings. The thickness of a 150psi flange from which the raised face has been removed shall be no less than. Coastal flange stocks import and domestic ansi b16. Slipon pipe flanges manufacturing in all variety of sizes. Welding neck flanges are easy to recognize at the long tapered hub, that goes gradually over to.
Duwa piping manufactures slip on flange in all steel material and sizes, and can be delivered in 3days. Lap joint flanges resemble, in shape, slip on flanges except for the radius at the crossing of the flange face and the bore to accommodate the flanged portion of the stub end. Some features of slip on flanges are described below. Bestoflanges ka kb flange280kjisf7806squareflanges unit. Sflg0912 page 2 larger sizes also available please call your representative for current pricing. Mar 15, 2016 dinpn16 steel slipon flanges en 10921. Notes weights are based on manufacturers data and are approximate.
Flanges general flange types welding neck or weld neck. Most commonly used flanges are weld neck flange, slip on flange, blind flange. Browse flat faced slipon flanges din pn16 steel in the world wide metric, inc. The calculated strength from a slip on flange under internal pressure is of the. The fittings and pipe combined together are a great alternative to expensive and complex welding and pipe bending. Slipon flanges the flange is slipped over the pipe and then welded both inside and. Slip on flange is suitable for low pressure and temperature application.
Din flanges summary chart rated pressure in bar 1 bar 14. Socket weld flanges were initially developed for use on smallsize high pressure piping. These flanges are widely used in many commercial and industrial applications. The bore of slip on flange is slightly large than the diameter of the pipe or fittings, which should be set short of the flange face by thickness of the pipe wall plus 18 of an inch to avoid damage to the flange face. Gasketed joint application information nonstandard flanges. For threaded flanges, tapped smaller than the reduced size.
Flanges in lined piping a simple guide page 1 of 2 slip on welding flange sowf this is a flange designed to be slid over a pipe with a tight fit suitable for welding. Welding neck, slip on, socket weld, lap joint, threaded and blind flange. Pdf documents are often used because they help preserve the original content of the document, but this can make splitting the file up a little more difficult than other document formats. Slip on flanges are popular lowcost flange type for low pressure applications. This is a slip on flange, and this is a 2 inch flange, 150 pound. Their static strength is equal to slip on flanges, but their fatigue strength is 50% greater than doublewelded slip on flanges. These flanges will be furnished with a 116 raised face unless otherwise specified. Spiral wound gasket dimensions for use on screwed or slipon flanges see table 4. Dimensions of ansi 150lb rfso flanges slip on flanges. Separate one page or a whole set for easy conversion into independent pdf files. The flange has poor resistance to shock and vibration. Ansi slipon pipe flange 3d cad model library grabcad. The comprehensive directory provides access to full contact and ability information for sourcing professionals, engineers and researchers wishing to get information on slip on flanges. Box 40443 houston, tx 772400443 11906 fm 529 houston, tx 77041.
We manufacture a comprehensive range of flanges and flanged components such as nipples, elbows, tees, and crosses in all standard vacuum flange systems. Jan 08, 2014 the computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. This flange is ideal for low pressure applications since the strength when under internal pressure is about one third that of a weld neck flange. Aluminum lightweight structural slip on fittings provided in schedule 40 aluminum pipe. On flange connections for fisher l2, l2e, and l2sj level controllers this supplement contains dimensions for nps 2 cl150 through 1500 slip. Stainless steel flanges nominal pipe size metric imperial od thickness pcd holes bolt dia weight 15 12 95 6. Slip on flanges are all bored slightly larger that the o. Raised faced slipon flanges ansi 150 steel on world wide. See documents below for comparison of flange sizes in two main standards.
As already described before, the most used flange types asme b16. Weldbend is the only domestic manufacturer of both carbon steel fittings and flanges. Learn different types of pipe flanges used in piping. Know your flange type when using spiral wound gaskets garlock. Ring type joint this can be employed on weld neck, slip on or blind flanges for leakproof connection at high pressures.
Awwa c20707 steel pipe flanges for waterworks service. The seal is made by a metal ring being compressed into a hexagonal groove on the flange face. To order a reducing flange, state the smaller size first, then the. Bolted flange design according to asme section viii division 1. Slip on flanges manufacturers, service companies and distributors are listed in this trusted and comprehensive vertical portal. I understand that lapped flanges are generally used with but ends, so as to make it possible to rotate the flange when needed, but do not understand wether or not a. Contact manufacturer before returning a used gasket. All flanges that we are showing you today for the purpose of this video is 150 pound flanges. Some of the most common types of flanges in the industry are welding neck flanges, slip on flanges, socket weld flanges, lap joint flanges, threaded flanges, and blind flanges. It must first be properly decontaminated and may require documentation. The flange is placed on pipe and fillet welded from both inside and outside. The difference that can impact the performance of the assembly is in the bore or inner dimension of the flange.
Keywords daniel, flange union, daniel industries orifice plate. Browse raised faced slipon flanges ansi 150 steel in the world wide metric, inc. In addition, we supply a variety of hardware and components. With a few hours time, a hex wrench and a hack saw one or two people can complete projects that would take twice as long with other more.
The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Slip on flanges in steam service mizzoueng mechanical feb 08 12. This allows the flanges to swivel freely to easily align bolt holes prior to installing and. Forged stainless steel flange dimensions conform to asme b16. The 2d pipe fittings library is made up of thousands of professionally drawn fittings. Calculated flange weights in pounds class 150 nominal pipe size outside diameter inches slip on threaded socket weld weld neck blind lapjoint 12 3. Dimensions of flange facings all pressure rating classes. Is this an appropriate way to use lapped flanges, or should i change to using slip on flanges. Awwa c20707 steel pipe flanges for waterworks service sizes 4 inch thru 144 inch 100 mm thru 3,600 mm this standard covers two types of slip on flanges, ring type and hub type, that may be used interchangeably if the dimensions given in the standard are used. Therefore, the larger bore means the flange sealing surface is reduced approximately the width of the pipe wall. Slip on flange slip flange slip on flange dimensions. Industry standard is to make to the slip on length through the hub. Orifice flanges are one of the most economical means of measuring flow, and daniel orifice flanges are manufactured to be the most accurate. Reducing flanges are available in all types and pressures.
Ansi slip on pipe flange, design tabled and contains sizes fron 12 thru 24. Refer to the maintenance section of the appropriate instruction manual for instructions on removing the sensor from. Use filters to find rigged, animated, lowpoly or free 3d models. Flanschenwerk bebitz gmbh is a worldwide manufacturer of flanges and forged rings with many years of experience. Slip on flanges come in one size which fit all types of pipe schedules. A lap joint flange slips over the pipe and seats on the back of the stub end and the two are kept together by the pressure of the bolts.
From a bolt hole diameter, number of bolt holes, bolt circle diameter, outer flange diameter perspective, these flanges are all the same. These flanges come with the minimal thickness which allows for easy alignment of bolting holes. Isokf flanges and fittings isok flanges and fittings cf flanges and fittings for each standard, alcatel offers the normalized nominal diameters. 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 slip on b 2 lap joint b 3. Slip on flanges usually slip over a pipe and are welded in place. Slip on welding flange sowf this is a flange designed to be slid over a pipe with a tight fit suitable for welding. Orifice flanges are not covered by this standard, but all ansi flange tolerances, where applicable, apply to all coastal orifice flange diminisions except the bore. Jul 27, 2016 currently we are using lapjoint flanges and welding them directly to the piping. As a family owned company, it is our pledge, and our mission to deliver a level of service unrivaled in our industry.
Flange drillings in en10921 are generally the same as bs4504 and din 2501 but en10921 covers a wider range. Principle of compactflange contact pressure between heel of both flanges ensures leak tightness seal ring is secondary sealing due to angle of flange face, a high contact pressure. Texas flange provides the following series of individual pages in html and pdf format that contain flange dimensions of the standard flanges we provide. C and y dimensions do not include face height dimensions a, r, x are identical to asme b16. Metal pipe flange pipe fitting weld neck slip on blind flange. The flange simply slides onto the pipe where two fillet welds, one on the outside. Class 150, class 300, class 400, class 600, class 900 and class 1500. Slip on flanges in steam service pipelines, piping and. The socket weld flanges are attached by only one fillet weld, only on outside, and are not recommended for severe services.
Slip on flanges are all bored slightly larger than the o. Flat faced slipon flanges din pn16 steel on world wide. It is welded both inside and out to provide sufficient strength and prevent leakage. Slip on flange the calculated strength from a slip on flange under internal pressure is of the order of twothirds that of welding neck flanges, and their life under fatigue is about onethird that of the latter. In pressure classes 400, 600, 900, 1500 and 2500, the height of raised face is approximately 6. The slip on flange has a low hub because the pipe slips into the flange prior to welding. Your slipon flange weld requirements should have an interior fillet weld and an exterior fillet weld. The connection with the pipe is done with 1 fillet weld, at the outside of the flange. This is slipped over the pipe and then fillet welded. The connection with the pipe is done with 2 fillet welds, as well at the outside as also at the inside of the flange.
Flange od a mm length thru hub bolt drilling flange thickness d mm bore sow sw b mm raised face diam. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. Flanges and fittings in order to address the vacuum industries requirements, alcatel offers a large range of accessories based on the 3 most popular standards used in vacuum technology. Ansi flanges most forged steel flanges correspond to the requirements of the american standards association asmeansi standard b16. 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.
Slip on flanges, slip on flange manufacturer in china duwa. Slip on flanges are also built with a bore slightly larger than the outside diameter of the pipe, but, unlike a socket flange, this larger bore is the same dimension all the way through. Slip on flange has a hole with matching outside diameter of pipe from which pipe can pass. G mm wn blind sow sw nominal size class 150 flanges to asme b16.
The pressure rating will also determine the dimensions of the flange full. Below you will find a short description and definition of each type, completed with an detailed image. Stainless steel pipe nominal dimensions listed in the table are based on. Verify they are both made, both of the right material rod and heat and filler and amperage at the right preheat and are the right size. Lap joint flanges have all the same common dimensions as any other flange. F l a n g e d flanges class 125 cast iron size in part number a.
558 65 947 753 1113 237 934 1564 604 742 611 1109 298 1576 274 393 929 668 1179 1028 941 495 810 1273 229 813 1346 1135 429 472 10 1097 841 867 356 364 700 457