The smooth transition from flange thickness to pipe or fitting wall thickness. Download 5,474 pipe flange stock photos for free or amazingly low rates. Stainless steel pipe and fittings are supplied in the annealed condition to. There are three general types of pipe flanges used and these are classified according to the method of attaching to the pipe end. Working closely with one of the best galvanize companies in the country, kerkau offers a world class hot dipped galvanized flange at the. The pipe flanges are the second most used joining method after welding.
Pocket guide to flanges, fittings, and piping data 3rd. Additional decisions involve facing and surface finishes, and the appropriate. Bolting pressure is transmitted to the gasket by the pressure of the flange against the back of the pipe lap stub end. The six common types of ansi class flanges, including. 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.
Based on flange facing types, it can be further classified as. 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. With more than 50,000 tons of inventory in stock, ready to ship sameday, we can deliver piping product solutions for you. Ansi standard flange dimensions are designated as 150, 300, 400, 600, 900, 1500, and 2500, in sizes nps 12 through nps 24. Socket weld flanges were initially developed for use on smallsize high pressure piping. Pipe flanges that are made to standards written by asme b16. Learn about types of flanges threaded,socketweld,slipon,lap joint,weld neck,blind flanges. The dimensions and weights of slipon flanges ansiasme are available on this page. Thickness of standard wall is the same as schedule 40 in size nps 10 dn 250 and smaller. Pipe flanges come in different styles, pressure ratings, materials and sizes to meet the design requirements.
Blind flanges, blind flange manufacturer in china duwa. All mss flanges are identified with the manufacturers trademark, nominal pipe size, material grade, and heat number. The actual types of materials covered are as follow. Flanges are used when the piping joint needs dismantling. 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. 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. Typical facings for steel pipe flanges robertjames. A flange is a method of connecting pipes, valves, pumps and other. This video explain types of flanges commonly used in piping. 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. Here is the latest edition of a compact reference that has been a real treasure for materials personnel for more than 15 years.
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. The microstructure is free from all grain boundary carbides and intermetallic phases. Threaded pipe flanges are often used for small diameter, high pressure requirements. 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. American piping products is a onestopshop for all of your piping supply needs. Socket weld flanges are used for smallsize and highpressure piping that do not transfer. You will get a message about a change in pipe the flange dimensions, pipe cut length, plus any weld gaps add up.
The types of flanges for piping explained projectmaterials. En 10921 flanges find the best stainless steel pipe. Standard marking system for valves, fittings, flanges, and. The datasheets we have on this site are shown below. The flange and pipe thicknesses, the bolt grades and the o ring types are not identical. In the oil field, the two most commonly used flange standards are ansiasme b16. Their static strength is equal to slip on flanges, but their fatigue strength 50% greater than doublewelded slip on flanges. 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. Pressure rating for pipe end thread tapered pipe threads npt or iso 71bspt allowable pressure ratings for male and female threads are. Threaded pipe flanges are used with pipes that have external threads.
Regardless of size or specification, flanges are fundamentally designed to close, cover, connect, or support pipe systems. Classification of flanges based on pipe attachment 1. The pressure classes do not correspond to maximum pressures in psi. Blind flanges are also used as a manhole cover in the vessel. Optionally, you can include a specification parameter so you can filter configurations. Lap joint flanges have all the same common dimensions as any other flange. Pipe flange stock photos download 5,474 royalty free photos. 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. Typical applications are high pressure mud and cement systems as well as choke and kill lines. Pipe flanges are classified in different ways based on pipe attachment, pressuretemperature pt rating, facing, face finish. Scribble it on a virtual napkin, fold it up and drop it right here. The benefit of these pipe flanges is that it can be attached without welding. 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 general flange types welding neck or weld neck. 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. Gtp solutions flanges are manufactured from aisi 4 grade lowalloy steel with various ring groove inlays available, such as 316 stainless steel and inconel. At the correct depth inside the flange if the pipe or tube extends into the flange. View products for more details on the size range available.
Api spec 6a is for flanges used on wellhead and christmas tree equipment. Thus flanged wheels are wheels with a flange on one side to keep the wheels from running. 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. 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. 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. For simplicity sake, only datasheets that adhere to b16. 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. A flanged joint is composed of three separate and independent although interrelated components.
A pipe flange connects piping and components in a piping system by use of bolted connections and gaskets. Join 5,070,000 engineers with over 3,040,000 free cad files join the community. Provided that the required thickness shall be free from its influence. 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. Learn different types of pipe flanges used in piping. The dimensions for a flat faced flange are the same as the dimenisions for a raised face flange but without the raised face. These types are the screwed flange, the welded flange and the loose or lapped van stone flange and are illustrated in fig.
Resources to help you determine the right solution for your application. Blind flange manufacturer duwa piping can supply the blind flange in all sizes, materials and specifications strictly acc. Flange standards asme din as bs asmeansi these are commonly referred to by their class rating eg. List of materials used to manufacture flanges is covered in asme b16. They are usually welded or screwed to the pipe end and are connected with bolts.
These types of flanges are used with another type of flange to isolate the piping system or to terminate the piping as an end. Which are the most common types of flanges used in piping. 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. Anvil pipe fitters handbook 5 gruvlok installation pipe and flange data weld fitting and steel flange data table of contents gruvlok tech. Api 605 flanges are designated series b flanges in asme b16. Section 8 flanges zhengzhou huitong pipe fittings co. These are used mainly at equipments, valves and specialties. 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.
It is slipped over the pipe and a stub end is welded onto the pipe. It covers pressuretemperature ratings, materials, dimensions, tolerances, marking, testing, and methods of designating openings for. Below are the flanges based on the pipe attachments. Subscribe now and get your free ebook on piping components. Probably the best welding flange available because of its high, heavy neck. Ansi flanges find the best stainless steel pipe fittings. These flanges slip over the pipe, and are not welded or otherwise fastened to it. The connection with the pipe is done with 1 fillet weld, at the outside of the flange. Kerkau recently added a line of low temperature a350 lf2 carbon steel pipe flanges to its inventory. The engineer or designer must choose among several flange options.
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