At the correct depth inside the flange if the pipe or tube extends into the flange. Ansi flanges find the best stainless steel pipe fittings. The flange and pipe thicknesses, the bolt grades and the o ring types are not identical. Additional decisions involve facing and surface finishes, and the appropriate. The weld neck or welding neck flange is bored to the id of the pipe and has a high neck to which pipe is welded. Download 5,474 pipe flange stock photos for free or amazingly low rates. The pressure classes do not correspond to maximum pressures in psi. The engineer or designer must choose among several flange options. American piping products is a onestopshop for all of your piping supply needs. The pipe flanges are the second most used joining method after welding. Typical applications are high pressure mud and cement systems as well as choke and kill lines. The smooth transition from flange thickness to pipe or fitting wall thickness. A flanged joint is composed of three separate and independent although interrelated components.
The actual types of materials covered are as follow. The benefit of these pipe flanges is that it can be attached without welding. Flanges made in accordance with this technical standard can be bolted to flanges of 200 psi, 300 psi and 500 psi, except for 750 and 900 ews tablef. Optionally, you can include a specification parameter so you can filter configurations. The six common types of ansi class flanges, including. Drawing api 6a flanges in acornpipe later, when the dimension is known, you can bring up the drawing, press ctrl the middle of the flange, and enter the correct dimension. It covers pressuretemperature ratings, materials, dimensions, tolerances, marking, testing, and methods of designating openings for. They are assembled with stud bolts, which when tightened, force the two flange faces towards each other on the gasket to form a pressure tight seal.
Flanges are normally used to connect sections of pipe, valves, vessels or other fittings by forming a seal with either a ring or flat type gasket. Subscribe now and get your free ebook on piping components. Flange type typ as in en 10921 01 plate slipon flanges for welding hubbed threaded flanges 02 loose plate flanges with weldon plate collar 21 integral flanges 04 loose plate flanges with weldneck collar 32 weldon plate collars 05 blank blind flanges 33 lapped pipe ends. All mss flanges are identified with the manufacturers trademark, nominal pipe size, material grade, and heat number. Socket weld flanges are used for smallsize and highpressure piping that do not transfer. Working closely with one of the best galvanize companies in the country, kerkau offers a world class hot dipped galvanized flange at the.
The dimensions for a flat faced flange are the same as the dimenisions for a raised face flange but without the raised face. Kerkau recently added a line of low temperature a350 lf2 carbon steel pipe flanges to its inventory. Socket weld flanges were initially developed for use on smallsize high pressure piping. View products for more details on the size range available. Thus flanged wheels are wheels with a flange on one side to keep the wheels from running. The microstructure is free from all grain boundary carbides and intermetallic phases. Provided that the required thickness shall be free from its influence. A flange is an external or internal ridge, or rim lip, for strength, as the flange of an iron beam such as an ibeam or a tbeam.
Standard marking system for valves, fittings, flanges, and. Lap joint flange a pipe is usually welded to the stub end and the lap joint pipe flange is free to rotate around the stub end. Thickness of standard wall is the same as schedule 40 in size nps 10 dn 250 and smaller. En 10921 flanges find the best stainless steel pipe. In the oil field, the two most commonly used flange standards are ansiasme b16. This video explain types of flanges commonly used in piping. Anvil pipe fitters handbook 5 gruvlok installation pipe and flange data weld fitting and steel flange data table of contents gruvlok tech. Included are 1 flanges with rating class designations 150, 300, 400, 600, 900, and 1500 in sizes nps 12 through nps 24 and flanges with rating class. Classification of flanges based on pipe attachment 1. Ansi standard flange dimensions are designated as 150, 300, 400, 600, 900, 1500, and 2500, in sizes nps 12 through nps 24. Stock images by cegli 1 20 metal pipe flanges with bolts stock image by curraheeshutter 1 34 mechanic with spare parts stock photos by corepics 1 9 equipment, cables and piping as found inside of a modern industrial power plant pictures by nostal6ie 742 large rusty valve is broken. Then, one place at a time, i pull a pipe end back leaving a gap this separates everything into two systems place flanges on the ends, grab the face of the flange by its connector symbol, and drag it back into place on an accessory. It is slipped over the pipe and a stub end is welded onto the pipe. 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.
A pipe flange is a disc, collar or ring that attaches to pipe with the purpose of providing increased support for strength, blocking off a pipeline or implementing the attachment of more items. Threaded pipe flanges are used with pipes that have external threads. Pressure rating for pipe end thread tapered pipe threads npt or iso 71bspt allowable pressure ratings for male and female threads are. Pipe flanges that are made to standards written by asme b16. 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. Learn about types of flanges threaded,socketweld,slipon,lap joint,weld neck,blind flanges. Section 8 flanges zhengzhou huitong pipe fittings co.
Gtp solutions flanges are manufactured from aisi 4 grade lowalloy steel with various ring groove inlays available, such as 316 stainless steel and inconel. Pocket guide to flanges, fittings, and piping data 3rd. Typical facings for steel pipe flanges robertjames. There are three general types of pipe flanges used and these are classified according to the method of attaching to the pipe end. The datasheets we have on this site are shown below. They are usually welded or screwed to the pipe end and are connected with bolts. Link to flange dimensions link to flange weights flanges are available in carbon steel a105, 310, 317, 321, a20, a400, a600, c276 among other alloys. The connection with the pipe is done with 1 fillet weld, at the outside of the flange. You will get a message about a change in pipe the flange dimensions, pipe cut length, plus any weld gaps add up. Lap joint flanges have all the same common dimensions as any other flange. 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. Regardless of size or specification, flanges are fundamentally designed to close, cover, connect, or support pipe systems.
Resources to help you determine the right solution for your application. Bolting pressure is transmitted to the gasket by the pressure of the flange against the back of the pipe lap stub end. With more than 50,000 tons of inventory in stock, ready to ship sameday, we can deliver piping product solutions for you. Most commonly used flanges are weld neck flange, slip on flange, blind flange, socket weld flange, threaded flange and lap joint flange rtj flange. Flange standards asme din as bs asmeansi these are commonly referred to by their class rating eg. Their static strength is equal to slip on flanges, but their fatigue strength 50% greater than doublewelded slip on flanges. This standard is a collection of the piping material data sheets mds applicable to selected. In certain pipelines where maintenance is a regular feature, breakout flanges are provided at definite intervals.
Scribble it on a virtual napkin, fold it up and drop it right here. Stainless steel pipe and fittings are supplied in the annealed condition to. Blind flanges are also used as a manhole cover in the vessel. Pipe flanges are classified in different ways based on pipe attachment, pressuretemperature pt rating, facing, face finish. List of materials used to manufacture flanges is covered in asme b16. Learn different types of pipe flanges used in piping. The types of flanges for piping explained projectmaterials. These types of flanges are used with another type of flange to isolate the piping system or to terminate the piping as an end. These types are the screwed flange, the welded flange and the loose or lapped van stone flange and are illustrated in fig. Pipe flange stock photos download 5,474 royalty free photos. Pipe fittings pipe end thread information the end connections with the lower pressure rating is the determining factor of pressure rating for the fittings with both unilok tube ends and pipe thread ends. Flanges are used when the piping joint needs dismantling.
Api spec 6a is for flanges used on wellhead and christmas tree equipment. For simplicity sake, only datasheets that adhere to b16. Which are the most common types of flanges used in piping. Based on flange facing types, it can be further classified as. We carry not only one of the worlds largest inventories of pipe and tube, we supply all the matching fittings and flanges for any application. Api 605 flanges are designated series b flanges in asme b16. Flanges general flange types welding neck or weld neck. A flange is a method of connecting pipes, valves, pumps and other. These are used mainly at equipments, valves and specialties. Packed with pictures, definitions, and descriptions of ansi and api piping materials, such as flanges, fittings, bolts, gaskets, and required wrench sizes, it serves as an excellent guide for rookies and a ready reference for oldtimers alike. A pipe flange connects piping and components in a piping system by use of bolted connections and gaskets.
Here is the latest edition of a compact reference that has been a real treasure for materials personnel for more than 15 years. Blind flange manufacturer duwa piping can supply the blind flange in all sizes, materials and specifications strictly acc. Threaded pipe flanges are often used for small diameter, high pressure requirements. Pipe flanges come in different styles, pressure ratings, materials and sizes to meet the design requirements. Probably the best welding flange available because of its high, heavy neck.
878 768 763 732 1027 537 287 168 496 352 26 1441 1538 1384 1526 759 1444 1296 280 783 53 887 822 697 1530 1458 1028 46 20 1525 1561 244 1210 1406 1472 1229 762 811 474 1229 828