These types of flanges are used with another type of flange to isolate the piping system or to terminate the piping as an end. Below you will find a short description and definition of each type, completed with an detailed image. Tee it is an important fitting with a side outlet at 900 to the run of the pipe. These are incredibly versatile and very widely used. Flanges are joined by bolting, and sealing is completed with the use of gaskets and other sealing methods, and fixed to the piping system by welding or threading. According to ansi standards, each flange is stamped with identifying marks. Additional decisions involve facing and surface finishes, and the appropriate. Contrary to all the flange types seen above, blind flanges do not have a. Texas flange provides asme flanges and non code industrial pipe flanges for the petrochemical, process, waterworks industries in stainless, alloy and carbon steel for all industrial flanges. Most flange joint installations are completed without problem or concern, but when a complication arises, it can rapidly become a major issue for everyone involved.
Lap joint flanges have all the same common dimensions as. A coupling may provide either a rigid or a flexible connection. We can also offer the fittings in other nonstandard as per customers drawings. Types of flangesdefinition of flanges flanges and fittings isokf flanges and fittings easy and reliable isokf flanges and fittings allow quick release and tight connections from 10 to 50 mm nominal diameters. A flange is one of the most common joining method for pipes, hoses, valves and other equipment, it is also simple and convenient to use. Only the flat face variant of each type of flange has been illustrated as they are the most commonly available. It was developed for the purpose of providing the industry with a uniform means for identifying various types of casting surface irregularities. The openings in the jaw can range from around one inch to more than eight inches. Long weld neck flanges are used with vessel nozzles and equipment. These types of flanges are used in high pressure and temperature application. The use of slipon flanges should be avoided where many large temperature cycles. As already described before, the most used flange types asme b16.
For specific requirements, we also custom design ring joint flanges in preferred specifications. Breakup flanges are added in the pipeline system if regular maintenance is required during plant. Flanges are usually welded or screwed into such systems and then joined with bolts. The 6 common types of flanges 2016 october 25 a flange is a collar or ring, usually holed for bolts, and welded or screwed at the end of the pipe or tube to allow objects to get attached to it. Here we discover the different types of welding joints and the types of welding styles used to create each the american welding societys aws definition of a joint is the manner in which materials fit together the applications of welding are limitless. Ansi, mss and api standards govern flange dimensions and tolerances. Various types of shear connectors in composite structures. The types of flanges for piping explained projectmaterials. Flate face ff, raised face rf, ring type joint rtj ss flange standards types and pressure class. Lap joint flanges available in a range of sizes to pair with stub end fittings for easy dismantling. Types of stainless steel flanges and their applications. It cound be used to connect pipes,fittings,valves,pumps and other equipment to form a piping system. Valve is a device that regulates, controls or directs the flow of a fluid by opening. Rtj flanges, welding neck flange, slip on flange, blind flange, high.
From the standpoint of internal pressure and bolt loading, blind flanges, particularly in the larger sizes, are the most highly stressed flange types. They are readily available in types 304l and 316l with various pressure. Different types of valves used in piping a complete guide. Tees connect pipes of various diameters and help in changing the direction of water or material in a pipe. Flanges help prevent pipe leakage, as the prices of oil and gas continuously increase. All prosperity is a professional manufacturer of different types flanges, our flanges types through meticulous produced are quite durable, please contact us for more. A pipe flange looks like a disc or collar to used for the flange joint in of a piping connection. Pdf various types of shear connectors in composite. The engineer or designer must choose among several flange options. Types and uses of coupling devices engineering essay. These pipes are used in construction zones, pipeline, and plumbing. Definition and details of flanges types of flanges.
Flanges are used, alternatively to welded connections, to facilitate maintenance operations a flanged joint can be dismantled quickly and conveniently. Welding neck, slip on, socket weld, lap joint, threaded and blind flange. Flange types weld neck flangeslip on flangethreaded flangeblind flangesocket weld flangelap joint flangestub end. This article will provide a guideline for selection of metallic pipe flanges, and provides information on pressuretemperature ratings, dimensions, tolerances, materials, marking, and testing of flanges and flanged fittings in sizes nps 12 to 48, and classes 150 to 2500 which can be used in conjunction with asme b16. The two main types of nonasbestos gaskets are the full face ff for ff flanges and the flat ring type for raised face flanges rf nonasbestos gaskets have fully replaced asbestos gaskets for decades as studies demonstrated the risks for human health associated with the production, use, and disposal of asbestos materials. To connect or couple 2 components which are manufactured separately eg. Used in a number of industries, these steel ring joint flanges are supplied in various dimensional specifications. Saunders valves are ideal for restrictive or flow control duties ie valve half closed to reduce flowrate. Various types of industrial, commercial, and residential items are created using this metal. Welding neck flange welding neck flanges are easy to recognize at the long tapered hub, that goes gradually over to the wall thickness from a pipe or fitting. Flanges general flange types welding neck or weld neck. The dimensions and weights of slipon flanges ansiasme are available on this page.
Flanges types different types of pipe flanges part1. Some of its features include different material choices like stainless steel, carbon steel, alloy steel and others. In 1993, the eighth edition incorporated relatively minor changes and updates. The two flanges are fastened by bolts and nuts in a flange joint,which means it is easy to disassemble for inspection or cleaning. Common types diaphragm saunders valves diaphragm valves commonly known as a saunders, after a popular brand name work on the principle of a rubber diaphragm or bladder opening and closing. Standard marking system for valves, fittings, flanges, and unions.
General application or uses to transmit power from driver shaft to driven shaft. These flanges are used with hygienic and metric tube, the common types of flange are pn16, table d and e. From the aeronautic industry to automotive and residential its applications and critical roll cannot be understated. The flange is slipped over the pipe and is settled by welding at both top and base side of the flange. About 3% of these are flanges, % are pipe fittings, and 0% are hydraulic cylinders.
The pressure rating will also determine the dimensions of the flange full details. Learn different types of pipe flanges used in piping. Flanges connection or joint is made when two flange faces are aligned, brought together and tightened with bol. Flange types ap various types of flanges manufacturers. The various gasket types, dimensions, design characteristics and materials used are not.
Pocket guide to flanges, fittings, and piping data. Different types of flange faces are used as the contact surfaces to seat the sealing gasket material. Welding neck flanges, available in all pressure ratings and sizes, are. Here below you will find a short description and definition of each type, completed with an detailed image.
In this channel you will learn about piping, piping components such as pipe, fittings, flanges. Flanges types different types of pipe flanges part 1 youtube. Even though there are many face types, most common flange face types are. Ansi flanges non standard offered can be made available by us in different sizes of up to 24. Guidelines for selection of various types of flanges what is piping. Flange definition and information china hebei haihao. It is used to either clamp two pieces of a project together or to hold a workpiece to the table.
Compared to tube fittings, the biggest advantage of sae flanges is the considerably higher pressure resistance for most sizes and the continuous pressure level in the highpressure series 6000 psi. Flanges steel pipes iron fittings grooved fittings. Flanges are joined to each other by bolting and joined to the piping system by welding or threading. Flanges prochem piping products flanges a flange is designed to connect sections of pipe or tube, or to join the pipe or tube to an assembly such as a pressure vessel, valve or pump. Metal pipe flange pipe fitting weld neck slip on blind flange.
Blind flanges are manufactured without a bore and used to blank off the ends of piping, valves and pressure vessel openings. This type of flange is slipped over the pipe and fillet welded. Flanges types learn about the different types of flange used in piping full course subscribe to your. Guidelines for selection of various types of flanges. A flange is a collar or ring, usually holed for bolts, and welded or screwed at the end of the pipe or tube to allow objects to get attached to it. These steel ring joint flanges conform to various indian and international quality standards. Couplings are used when the shafts are in a straight line and are to be connected end to end to transmit power. Standard marking system for valves, fittings, flanges. Standard marking system for valves, fittings, flanges, and. Flanges have been successfully used in various types of pipe materials for over 100 years and their forms have been standardized for over 50 years. Following are the types of flanges used in piping systems. Shear connectors on the top flanges of the steel girders provide the means to achieve composite action between the slab and. This flange type will be welded to a pipe or fitting with a. This flange type will be welded to a pipe or fitting with a single full penetration.
Guidelines for selection of various types of flanges what. All valves, fittings, flanges, and unions shall be marked with the manufacturers name, trademark, or. Blind socket weld lap joint bored slightly larger than the od of the pipe, the radius on the bottom matches the radius on the stub end. Quality standard for steel castings for valves, flanges. Flanges and fittings isokf flanges and fittings easy and reliable isokf flanges and fittings allow quick release and tight connections from 10 to 50 mm nominal diameters. With 2 flanges coupled together by a centering ring with a oring and a clamp fig. Flanges are designed to withstand various ranges of pressure and weight and come in a spectrum of types, like slipon, blind, weldneck, threaded, socket weld, lap joint, and orifice. Types of stainless steel flanges and their applications explained stainless steel is one of the most popular metals used today. The type of flange to be used for a piping application depends, mainly, on the required strength for the flanged joint. Weld neck, slip on, socket weld, lap joint, thread and blind flange.
Flange weights, dimensions and working pressures prochem. Welding neck flanges are easy to recognize at the long tapered hub, that goes gradually over to. The stauff flanges product group in completed by various types and designs of gear pump flanges made from carbon steel and aluminum. Tolerances on all dimensions shall be as shown in ansi b16. This article will provide a guideline for selection of metallic pipe flanges, and provides information on pressuretemperature ratings, dimensions, tolerances. In this article, i have covered classifications of valves and functions of valves. Flange connects the pipe with various equipment and valves. Any flange type can be made as a plate flange the id and the thickness can be adapted to suit. The ansi flange is a threepart flange consisting of one flat flange, one flange machined to take a rubber oring and the rubber oring. This flange is circumferentially welded into the system at its neck. The mss sp55, quality standard for steel castings for valves, flanges, fittings, and other piping components visual method for evaluation of surface irregularities, was originally adopted in 1961.
There are two types of weld neck flanges, which are standard and long. In machinery, a device for providing a connection, readily broken and restored, between two adjacent rotating shafts. It is slipped over the pipe and a stub end is welded onto the pipe. Click on the links below to be taken to a page detailing the different types of flanges slipon flanges are all bored slightly larger than the o. Slipon blind lapjoint socket weld threaded weldneck orifice. Types of asmeansi flanges the american national standards institute ansi calls for the use of an ansi flange to be used on specific applications. A wide variety of types of flanges options are available to you, such as standard, type, and standard or nonstandard. This metal scores over several other metals due to its physical properties including good corrosion resistance, durability, etc. Material control of flanges include, its receiving, applying commodity code number, storage, and their shipping. Lap joint flanges have all the same common dimensions as any other flange.
Types of gaskets for flanges soft, spiral, ring joint. Standard weld neck flanges are used in butt weld fittings. When so ordered, these flange types can be furnished with a variety of other facings, such as. Types of stainless steel flanges and their applications explained. When most people think of a clamp, this is what they picture in their minds.
1347 223 638 361 489 667 830 131 16 802 1434 623 813 1162 888 1061 1120 328 59 996 994 331 924 977 826 526 772 1391 446 843 1376 20 1204 1279