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2" Diam Heavy Duty Flexible Exhaust Pipe (per metre)

£9.9£99Clearance
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Our pipes are designed under rigorous rules based on models of the operational conditions. If desired, they can be constantly monitored by embedded sensors and electrical heating wires into the structure. Our pigging solutions, pipeline products, and structures are designed to interface perfectly with our flexible pipes. The flexible metal hose available from Proflex Hose is made to a strict standard, ensuring a reliable, high-quality hose that always performs to the level you require. The core of the flexible stainless steel hose is a relatively thin tube, which is corrugated to allow flexibility in any direction without compromising strength or durability. Around this flexible core, a weave of stainless steel wire is placed, sheathing the interior tube and providing impressive resistance against pressure from inside and out, as well as improving durability and providing powerful protection against physical damage, corrosion and the elements. More than one layer of this braiding may be fitted as necessary, depending on your needs. Flexible Stainless Steel Conduit Applications Chen G (2011) Analysis of cross-sectional mechanical properties of marine non-bonded flexible pipes. Master’s thesis, Harbin University of Engineering The end fitting material does not need to be the same as the hose – carbon steel fittings with stainless steel hose is a common choice. You may specify any weldable material for the end fitting or a screwed fitting welded to the hose and any threaded fitting coupled to it. For pressure hoses with braided reinforcement, the corrugation stress comes mainly from the bending of the hose. Therefore, the corrugation stresses can be controlled by setting a limitation on the bending. In other words, the installation is acceptable if the hose is not bent beyond the limiting radius. Similar to the situation discussed in the bellow expansion joint, the mode of failure of the hose corrugation is due to fatigue. Therefore, the bend radius limitation depends also on the number of operating cycles expected. Most manufacturers provide two limiting radii, one for static applications involving a one-time fit-up installation, and the other for operational movement involving many cycles of intermittent flexing. The whole design and installation process actually ensures that this minimum radius is maintained during the initial layout and throughout the operation. Factors for Metallic Flexible Hose Selection

Antal S, Nagy T, Grply I (2002). Spoolable bonded flexible pipes for gas service. Offshore Technology Conference, USA

In designing and optimizing an unbonded flexible pipe structure designation of adequate materials, the correct balancing of pipe structural elements, geometry, and interaction between layers must be considered. We ensure the long-term durability of a Flexibles pipe through a combination of only using symmetrical pressure armor profiles—which contain an absolute minimum of residual stresses after having been applied onto the flexible pipe structure—and a careful preforming of the double-layer cross-wound tensile armor comprised of multiple rectangular steel wires. There is a great variety of possible end fittings and connections, typically the two end fittings are dissimilar; we can accommodate any requirement as long as the material and fitting are weldable. The most common fitting styles are: Weld end

A positive embankment installation condition, where the pipe is installed underneath an embankment, in shallow bedding, with its top projecting above the surface of the natural ground, is another commonly-encountered scenario for buried pipe design and installation. The loads and shearing forces just discussed for trench conditions also play a key role in embankment conditions. As indicated in figure 3a and 3b, the imaginary vertical planes extending upward from the sides of a buried pipe are the planes along which relative movements are assumed to occur and on which shearing forces are generated. Feret JJ, Bournazei CL (1987) Calculation of stresses and slips in structural layers of Unbonded flexible pipes. J Offshore Mech Arctic Eng 109(3):263–269 Shah Rahman is the western regional engineer for Northwest Pipe Co., based in Southern Calif. He is an Associate Editor (Pipe Materials) for the ASCE Journal of Pipeline Systems Engineering and Practice. In addition to the importance of accounting for the soil load on buried pipe (dead load), it is also important to account for live loads, whenever applicable, such as moving vehicles (live load) when a pipe is buried under a highway or railroad embankment. One way in which this is done is by use of modified Boussinesq equations, details of which were not discussed in this article. The allowable bending radius for the hose depends on the type of motion the hose will experience, this is described as:Tectite Tube offers installers the flexible installation of plastic with none of the compromise, suitable for use on central heating and potable water In his analysis of external loads on buried pipe, Marston defined two main types of loading conditions of buried pipes, a ditch conduit (referred to as trench load condition in present day nomenclature), and a projecting conduit (referred to as an embankment condition in present day literature), Table 1. From tees to tap connectors, the Tectite Classic range includes all of the fittings you need to install a high quality domestic system As the corrugated interior tube is seamless, stainless steel conduit is ideal for use with liquids or gasses under pressure, especially when fitted with external braiding. With first-rate corrosion resistance, a stainless steel flexible conduit is also ideal for use in chemically demanding situations – and this combination of factors makes them absolutely perfect for use in the petrochemical industry, or in steelmaking, chemical smelting, the automotive industry the power generation industry and dozens more. Hong Guo, Yan Qu, Qingzhen Lu, Jun Yan, Qianjin Yue (2011) Structure design of umbilical for deep water subsea production system. In: Proceedings of the 15th China ocean (shore) engineering symposium. Jun 2011

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