Cold insulation when required is applied to all surfaces of the pipe system pipe, fittings, flanges, valves, etc. The types of flanges for piping explained projectmaterials. This flange type will be welded to a pipe or fitting with a single full penetration, v weld butt weld. Inventory includes many hard to find items such as rtj faces, high pressure flanges, reducing and expanding flanges, unpainted and special coated flanges. Best online training courses for oil and gas engineer. These pipe flanges are used when the counter flanges are flat face. A flange can also be a plate or ring to form a rim at the end of a pipe when fastened to the pipe for example, a closet flange. For working steam pressure above 100 ibs and upto 150 ibs per sq. Pipe and pipe accessory needs plays a key role in everyday life for a number of industries. These types of flanges are used in high pressure and temperature application. 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. The six common types of ansi class flanges, including.
Flanges are joined to each other by bolting and joined to the piping system by welding or threading. Pipe flanges come in different styles, pressure ratings, materials and sizes to meet the design requirements. Aug 25, 2017 where steel pipe is threaded and used for steam service above 250 psi or for water service above 100 psi with water temperatures above 220 f, the pipe shall be seamless and have a thickness at least equal to schedule 80 of asme b36. In the oil field, the two most commonly used 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. Used for low presure systems and where welding could be hazardous. Download 5,260 pipe flange stock photos for free or amazingly low rates. 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. The smooth transition from flange thickness to pipe or fitting wall thickness. 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.
They are mainly used at connection to cast iron equipment. The bore of this flange is threaded to match the pipe size. This flange is circumferentially welded into the system. You will get a message about a change in pipe the flange dimensions, pipe cut length, plus any weld gaps add up to the overall dimension. We have them in a huge range of materials to suit many applications, including copper, brass, plastic and stainless steel. Steel square tube is widely used in industrial maintenance, agricultural implements, transportation equipment, truck beds, trailers, frames, etc. Flanges are usually welded or screwed into such systems and then joined with bolts. Metal pipe flange pipe fitting weld neck slip on blind flange. Hayward pipe distributes industrial and commercial flanges in all the materials listed below.
It is slipped over the pipe and a stub end is welded onto the pipe. Flanges and fittings types and classes pipe fluid conveyance. Lap joint flanges have all the same common dimensions as any other flange. A welding neck flange wnfeatures a long tapered hub that can be welded with a pipe. In the case of pipe fittings, flanges are essential to cover, close, connect, and support systems ranging from basic plumbing to industrial networks. Lap joint flange a pipe is usually welded to the stub end and the lap joint pipe flange is free to. These products are specially designed in such a way that the outer diameter of the pipe is slightly smaller than the diameter of the flanges. Flange types a flange is a method of connecting pipes, valves, pumps and other equipment to form a pipework system. May 12, 2016 the material of a flange, is basically set during the choice of the pipe, in most cases, a flange is of the same material as the pipe. 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. All flanges, discussed on this website fall under the asme. Learn different types of pipe flanges used in piping. 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.
A flange pair is made up of two flanges and a gasket with bolts and nuts. Blind flange manufacturer duwa piping can supply the blind flange in all sizes, materials and specifications strictly acc. Typical facings for steel pipe flanges robert james sales. Section 8 flanges zhengzhou huitong pipe fittings co. For pvc, ductile iron and steel pipe i s o 9 0 0 1. Electric line identify types and describe uses of different types of wireline n describe limitations n describe differences in handling procedures b. A flange joint is a connection of pipes, where the connecting pieces have flanges by which the parts are bolted together. Learn about types of flanges threaded,socketweld,slipon,lap joint,weld neck,blind flanges.
Operating instructions flanges according to din en asme. Typical facings for steel pipe flangesdimensions typical facings for steel pipe flangesdrawings facing dimensions for ring joints class 1502500 ring joint dimensions ansi b16. 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. This prevents turbulence at the joint and reduces erosion. Ladish catalog no 55 pipe fluid conveyance physical. Pressure ratings, dimensions and facings for flanges acc. Useful flanges informationtypes of flangestype of flange. Pipe fittings and flanges conforming to gb, asmeansi, jis, din, s standards. There are different types of pipe flanges used in the piping systems depending upon the fluid, pt rating, material of construction, connecting equipment etc.
Socket weld flanges were initially developed for use on smallsize high pressure piping. Here is a infographic depicting types of flanges for pipes used in process industry. Pipe flange stock photos download 5,260 royalty free photos. With 2 flanges coupled together by a centering ring with a oring and a clamp fig. It gives the highest level of joint integrity due to buttwelded with a pipe. Dec 25, 2015 this video explain types of flanges commonly used in piping. The connection with the pipe is done with 1 fillet weld, at the outside of the flange. Socket welding and threaded flanges are not recommended for service above 250c and below 45 c. Their static strength is equal to slip on flanges, but their fatigue strength 50% greater than doublewelded slip on flanges.
Pressure rating for pipe end thread tapered pipe threads npt or iso 71bspt allowable pressure ratings for male and female threads are. The flange is then slipped over the stub end and bolted up. Flanges types different types of pipe flanges part 1 youtube. Square steel tube is a welded structural grade tubing that is available in either type a5 or a500 grade b, depending on its size and wall thickness. A blind flange is a plate for covering or closing the end of a pipe. This flange type is used, normally, in highpressure and highlow temperatures applications that require an unrestricted flow of the fluid conveyed by the piping system the bore of the flange matches with the bore of the pipe. Pipe flanges are designed to give you added support, block off piping or enable extra attachments to any pipe in your facility. The engineer or designer must choose among several flange options. Flanges and fittings types and classes free download as pdf file. Schut geometrical metrology schut geometrische meettechniek bv is an inter national organization, founded in 1949, with five offices throughout europe, specialized in the development, production, sales and service of precision measuring instruments and systems.
Ansi class flange types regardless of size or specification, flanges are fundamentally designed to close, cover, connect, or support pipe systems. It also provides easy access for cleaning, inspection or modification. Blind flanges, blind flange manufacturer in china duwa piping. A wide variety of flange pipe options are available to you, such as ansi, iso, and asme. For working steam pressure above 150 ibs and upto 250 ibs per sq. To ensure your always familiar with these, here are 6 of the most common flange types and a description of what they are best used for. The dimensions and weights of slipon flanges ansiasme are available on this page. American piping products is a onestopshop for all of your piping supply needs. Flanges general flange types welding neck or weld neck. Pipe flanges are either custom with dimensions provided by the customer or they are manufactured according to published specifications. Pipe flange stainless steel flange carbon steel flange, ansi b16. You can also choose from carbon steel, stainless steel, and iron pipe flanges there are 104,558 suppliers who sells pipe flanges on, mainly located in asia. Either grade is ideal for all structural applications, general fabrication, manufacturing and repairs.
This is a slip on flange and this is a 2 inch flange, 150 pound. Below are the types of flanges used in piping based on facing. Slipon, in both ring and hub style, to fit over a pipe weld neck, machined to match a pipes inside diameter and attached via welding. A flange is a method of connecting pipes, valves, pumps and other equipment to form a. For working steam pressure 50 ibs upto 100 ibs per sq. Hardhat engineer online courses for engineer that teach. 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. Dimension of pipe flanges as per table bs 10 table d. Steel pipes by material, steel pipe by material, stainless steel pipes india, steel pipes india, steel tubes by material, steel tubes india, stainless steel pipes from india, seamless steel tubes india, steel pipe india, steel tube by material, steel tube india. Weld neck flange are most widely used flanged in process piping. Ansi flanges, which is a type of pipe flanges available in various materials. This flange is a solid circle drilled to match a companion flange. Founded in 1997, cangzhou toprun piping group is an iso9001 certified company and a one stop shop for fittings and flanges for pipe lines. 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.
A wide variety of pipe flanges options are available to you, such as ansi, iso, and asme. The long tapered hub provides an important reinforcement for use in several applications involving high pressure, subzero and or elevated temperatures. Flanges types learn about the different types of flange used in piping full course subscribe to your. All flanges that we are showing you today for the purpose of this video are 150 pound flanges. Api 605 flanges are designated series b flanges in asme b16. Pipe restraints and adapter flanges section u 042016 web revision 05092016. Understanding joints, connections and the most common flange types used in the oil and gas industry is a core requirement to keep these levels of safety and attitudes the same. These flanges are bored to match the inside diameter of the mating pipe or fitting so there will be no restriction of product flow. Additional decisions involve facing and surface finishes, and the appropriate. Data on pipe line flanges has been developed and published.
1024 317 1218 290 331 1583 871 954 1541 865 946 1591 856 767 1531 611 1336 753 1254 532 1593 830 363 576 1006 1001 613 1152 1202 1146 153