A protruding rim, edge, rib, or collar, as on a wheel or a pipe shaft, used to strengthen an object, hold it in place, or attach it to another object. Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! The seal ring force is provided by the elastic stored energy in the stressed seal ring. scope: This Standard covers Classes 25, 125, and 250 Gray Iron Pipe Flanges and Flanged Fittings. The primary purpose of using a flange is to connect two separate openings of equipment, e.g., two pipelines, a valve fitting on a pipeline and any equipment fitting. In some cases slightly larger bolt holes provide better clearance as metric bolts are specified in lieu of UNC bolts used by BS10. Ski boots use flanges at the toe or heel to connect to the binding of the ski. It is an ‘International Day’ established by the United Nations to recognize and promote the contribution made by volunteers and voluntary organizations to the wellbeing of people across the globe. There is also a Warix flange which is the same as a York flange but the shower output is on the top of the flange and the vent on the side. Weld neck flange is the most widely used type in process piping. Trains stay on their tracks primarily due to the conical geometry of their wheels. Surrey and York flanges fit to the top of the hot water tank allowing all the water to be taken without disturbance to the tank. Flanges are used for making connections for piping. Flanges are usually welded or screwed. International Volunteer Day (sometimes abbreviated to IVD) takes place annually on December 5th. This however requires the IX ring to be retained in the theoretical location in the ring groove which is difficult to ensure and verify during installation. ? If you don't have Sketchup installed on your computer - download the amazing FREE SketchUp here! FLANGE MANAGEMENT We offer engineering solutions to maintain the flange joint integrity. The design of the flange face includes two independent seals. A wide edge on a pillow, placemat, or other fabric object, especially a piece of fabric or ribbon extending from the outer seam. Download SketchUp. Welding Neck Flange. Lap flange provides connection flexibility as you can freely rotate the flange on the pipe. (Mechanical Engineering) a projecting disc-shaped collar or rim on an object for locating or strengthening it or for attaching it to another object 2. Standards, codes, specifications are extremely important - often essential - technical documents in engineering and related technical fields. All rights reserved. External or internal ridge, or rim which provides strength, https://www.piping-world.com/piping-flanges-types-of-flanges-in-piping-systems, https://en.wikipedia.org/w/index.php?title=Flange&oldid=985071871, Articles needing additional references from August 2017, All articles needing additional references, Creative Commons Attribution-ShareAlike License, ASME Section II (Materials), Part A – Ferrous Material Specifications, This page was last edited on 23 October 2020, at 19:46. The flange faces are also made to standardized dimensions and are typically "flat face", "raised face", "tongue and groove", or "ring joint" styles, although other obscure styles are possible. Each specification further delineates flanges into pressure classes: 150, 300, 400, 600, 900, 1500 and 2500 for B16.5, and B16.47 delineates its flanges into pressure classes 75, 150, 300, 400, 600, 900. 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. The main seal is the IX seal ring. 18 Flange Local Buckling (cont.) Similar to the ASME flange standard, the EN 1092-1 standard has the basic flange forms, such as weld neck flange, blind flange, lapped flange, threaded Flange (Thread ISO7-1 instead of NPT), weld on collar, pressed collars, and adapter flange such as flange coupling GD press fittings. In microwave telecommunications, a flange is a type of cable joint which allows different types of waveguide to connect. ASME B16.5 refers to nominal pipe sizes (NPS) from ½" to 24". Image Courtesy: Wermac Welding Neck Flanges are easy to recognize at the long tapered hub, which goes gradually over to the wall thickness from a pipe or fitting. You can benefit from the complete assurance of … By way of example, compact flanges are often used across the following applications: subsea oil and gas or riser, cold work and cryogenics, gas injection, high temperature, and nuclear applications. (Mechanical engineering: Machinery and components) A flange is a part or edge that sticks out from an object in order to keep the object in position, strengthen it, or attach it to another object. Failure Mode The compression flange of a beam can buckle locally when the bending stress in the flange exceeds the critical stress. They are normally made by forging process. Last 100 years THREADED FLANGE Threaded flanges are joined to pipes by screwing the pipe (which has a male thread, generally NPT per ASME B1.20.1) onto the flange, without seam welds (in certain cases, though, small welds are applied to increase the strength of the connection).. Threaded flanges are available in sizes up to 4 inches and multiple pressure ratings, however, they are used, mostly, small … , These pressure classes also have differing pressure and temperature ratings for different materials. The size of pipes, fittings, flanges and valves are often given in inches as NPS - Nominal Pipe Size, or in metric units as DN - 'Diametre Nominal' ? ANSI standard flange dimensions are designated as 150, 300, 400, 600, 900, 1500, and 2500, in sizes NPS 1/2 through NPS 24. Engineering ToolBox Sketchup Extension. All the latest wordy news, linguistic insights, offers and competitions every month. It is used where frequent dismantling is required, and space is constrained. In Petrochemical industries, ASTM A193 B7 STUD & ASTM A193 B16 Stud Bolts are used as these have high tensile strength. It is usually a formal document that establishes uniform engineering or technical criteria, methods, processes and practices. A vacuum flange is a flange at the end of a tube used to connect vacuum chambers, tubing and vacuum pumps to each other. Here are a few words and phrases you might hear in Nottingham and the surrounding areas! They are typically made from forged materials and have machined surfaces. Search engineering dictionary: Definition: Flange. For example, flanges may be used to strengthen beams, or to connect or terminate pipes. For example, the maximum pressure for a Class 150 flange is 285 psi, and for a Class 300 Flange it is 740 psi (both are for ASTM A105 Carbon Steel and temperatures below 100F). Flanges are piping components bolted together using gasket in between two flanges as a sealing material. 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