Expansion joints technical manual fluid sealing products. Metal expansion joints installation instructions pdf. Keburgmann is represented on both the technical and management committee. This catalog outlines the selection and installation of our metal bellows. Metal expansion joints thermal growth, equipment movement, vibration or pressure pulsation may generate movement in a piping system. All expansion joints shall be designed for the specified pressure. Metallic expansion joints the basic element of a metallic expansion joint mej is the bellows a flexible, corrugated tubular metal element to absorb movements in a piping system.
Highly flexible and able to absorb axial lateral angular movement. Kurbo metallic expansion joints are available in many different designs, shapes and materials in order to absorb axial, lateral, angular movement and concurrent. Metallic bellows expansion joints flextech industries. However, it is useful as a generic title for expansion joints which are non metallic, and used in ducts at low pressures. The requirements for 1 integral rubber and fabric flanges, 2 floating metal flanges, 3 arches, 4 metallic flanges, 5 retaining rings, and 6 expansion joint cover and body. Metal hoses made of stainless steel from dn 6 to dn 300. Fabric expansion joints metallic expansion joints full. Metal bellows expansion joints metal expansion bellows spiroflex. With over 65 years of being in the metal hose and expansion joint businessdating back to the early 1950sthe owners of precision hose. An expansion joint is a device primarily formed by flexible bellows used to absorb movements in. The design method of rubber metallic expansion joint. The pressure balance expansion joint will not accept external axial movement without overcoming this pressure thrust force. In addition to non metallic expansion joints, metraflex is a supplier of metallic expansion joints, braided hose, expansion loops, pulsation dampeners, and other specialty piping products using bellows technologies.
T expansion of building materials table with various expansion coefficients must be used for fascia and copings with consideration of both metal and substrate flat seam roof expansion guidance over 30 feet use batten seam design to allow for expansion. Quite often metal joints replace the higher maintenance packed joints and the costly selfequalizing types. High temperature high pressure and vibrations engineered solutions metal expansion joints for engines bredan metal expansion joints umtypes are designed for diesel and gas engines to absorb vibrations, axial, lateral and angular movements or any combination of these. Round, singlelayered dekomte metallic expansion joint, pressure stage pn6, with nominal diameter dn3000 and up to 20 mm lateral movement, loose flanges from 1.
Section a what are ducting non metallic expansion joints. Handbook ducting systems nonmetallic expansion joints. This is not limited to metallic expansion joints but also. Only from a company completely dedicated to innovation. Senior flexonics pathway is pleased to present this catalog of metal expansion joints from 2 pipe size 50mm nd to 144 diameter 3. We take pride in providing highgrade standard custom stainless steel bellows, expansion joints, flex joints and other oem solutions for our customers. Spacerequirements metal joints require a considerably greater facetoface dimensions. Bellows design analysis is performed in accordance with various design codes including. Ultralon was designed to meet the process piping needs of the hightechnology, chemicalpetrochemical, power generation, pulp and paper, and other demanding needs. The addition of expansion joints in a piping system introduces reaction forces produced by the expansion joint that must be accommodated in the design of the piping system. Euroqualiflex is a union of metal expansion joint and hose manufacturers based in germany. Expansion joint barrel fixed rigid both expansion joint barrels fixed rigid one expansion joint two expansion joints installation 1. Newland, buckling of double bellows expansion joints under internal pressure, engineering failure analysis, elsevier, volume 12, page 387399. The information set forth is based upon the substantial experience in research, design and application of rubber expansion joints by engineering personnel associated with the member companies of the non metallic expansion joint division of the fluid sealing association.
End fittings flange, weld, groove or combination 7. Pdf the design method of rubbermetallic expansion joint. The non metallic joints include many types of rubber and synthetic rubber along with teflon. Metal expansion joints can be manufactured in large scale production. There are several different forms of expansion joints to choose from to best suit your application. If alignment is not straight, the piston will bind and prevent the joint from working properly. They are installed to accommodate movement in piping. Metal expansion joints and connectors, rubber expansion joints, te. For thermal and pressure equipment metal expansion joints. Pdf the paper present the method of designing a rubber expansion joints, intended for operation in the pressure class 25 bar. This handbook describes in detail the applications and capabilities of non metallic joints, provides information on standardized expansion joints and outlines the basic engineering concepts that are involved. An expansion joint where the arch is preformed to provide additional movement capability and prevent folding of the flexible element. The expansion joint should be mounted so that the piston can travel in a straight line within the barrel.
A nonmetallic expansion joint is a flexible connector fabricated of natural or synthetic elastomers. Flexicraft industries manufactures all types of metal expansion joints, rubber expansion joints, and other expansion joints for piping, as well as other related flexible piping solutions and other piping related products. Metallic expansion joint bellow type metallic expansion joints are oldest and most efficient and functionally reliable compensator for all applications involving high temperature and pressure. Do not weld in the near vicinity of a non metallic joint. The sizing of our metal bellows expansion joints range between 34 and 144 in diameter and can be customized to meet any specification. The expansion joint shall be able to handle the axial, lateral, angular or rotational movements or a combination of one or more above, at all operating conditions. The universal expansion joint consists of two bellows connected by a center spool piece with flange, pipe ends and others. Metal expansion joints installation instructions keflex 1425 lake avenue woodstock, il 60098.
Technical notes for metal bellows expansion joints and. Download expansion joint brochures and catalogues belman as. Metallic expansion joint project standards and specifications page 3 of 9 rev. Type of fabric expansion joint asiapacific supply co. Axial expansion joints are designed to accept movements of extension and compression in the axis direction. Spring force expansion joints behave in a manner that is similar to a spring. The vacuum ring is recommended when the expansion joint is used in negative pressure. The first invention, a metal hose which was developed and patented in 1885, was followed by a patent for the metal expansion joint in 1920. When this movement is not absorbed by the piping system itself, an expansion joint is the perfect solution. Teflon expansion joints also have certain advantages, which. Thorburns metallic bellows expansion joints and connectors for piping and ducting systems single and universal unrestrained pages 31 to 52 hinged angular rotation single plane page 32 single thorburns most economical expansion joint will not absorb pressure thrust forces unless control rods are used axial lateral offset.
Rubber and ptfe expansion joints from dn 20 to dn 3600. Rubber expansion joints unisource manufacturing inc. Triad bellows series2 expansion joints are manufactured with multiple layers of lighter. From flanges, pipe thread, weld ends to victualic grooved. Metal expansion joints from unisource manufacturing. Axial expansion joints are designed to absorb axial movements extension and compression in its longitudinal axial direction. Megaflexon rubber expansion joints have been specified and used for many years by consulting engineers, mechanical contractors, pressure vessel designers, plant engineers and turnkey construction firms. Bellows have to be strong to the design pressure an. Fabric expansion joints are used primarily to contain gaseous fluids. When a standard expansion joint is not the right fit we will design and build a custom metal bellows expansion joint at a standard price. If expansion joints are to be installed underground, or will be submerged in water, contact elastovalve rubber products for specific recommendations. Lowcost in general, they are less expensive than metal joints. All expansion joints shall be manufactured with a cover of hypalon or neoprene chloroprene. This product is designed for the chemical processing and.
Metallic rectancular expansion joint 200570mm, type fru material ss316,p2bar, t450. We design each metal bellows expansion joint with superior materials to ensure top quality and performance. Metal bellows expansion joints specification guide your trusted source worldwide 3. Totflex is manufacturer of expansion joints, level control equipments, flexible metal hoses and sprinklers. Why use thorburns metal bellows type expansion joints. Metal expansion joints are available with many different end fitting configurations. Your trusted source worldwide penflex flexible metal. The applications of our expansion joints include the following. Fccu regenerator stand pipe expansion joint cold wall design. The tefbellows is an expansion joint that combines the properties of metal and ptfe into the most advanced expansion joint available for highly corrosive piping systems. With over 65 years of being in the metal hose and expansion joint businessdating back to. Introduction needed to absorb are axial rotation, lateral deflection, angular rotation and torsion movement.
Metal bellows, metal hose, metal expansion joints, connectors. All content in this area was uploaded by przemyslaw jaszak on jan 07, 2019. Rubber expansion joints rubber expansion joints are normally used in piping systems under 200f, sometimes as pump or other equipment connectors. Expansion joint for connecting the reciprocating or. Refinery ufcc tied universal with a tee application. Metal expansion joints utilizing stainless steel bellows to absorb thermal growth and other movements in. Acousticalimpedance they absorb a great deal of noise and vibration.
The number of corrugation of bellows is decided according to the displacement amount and the expansionary and contracting force that the bellows have to absorb. They are available in both metallic and non metallic. Your trusted source worldwide penflex flexible metal hose. Manufacturing capability now we design and manufacture a full range of expansion joints, including single and double unre. Expansion joint manufacturers association ejma is an association of established manufacturers of metal expansion joints who develop the industrys design standards. Senior flexonics engineers and manufactures fabric, ptfe, and metal expansion joints and is recognized as the leader in the metal expansion joint industry. Metallic and flue duct expansion joints metallic and flue duct expansion joints metallic and flue duct expansion joints metallic and flue duct expansion joints metallic and flue duct expansion joints metallic and flue duct expansion metallic and flue duct expansion joints application. Witzenmann, the inventor of the metal hose and founder of the metal hose and expansion joint industry is the top name in this area. The units presented are standard products and range from the simplest single bellows expansion joints with weld ends to the more complicated universals, hinged and gimbal expansion joints. Rectangular metallic bellows expansion joints flue gas solutions metallic bellow expansion joints are designed to accommodate a wide range of movements and service conditions. In the operating environment the critical stresses and movements may act in axial, lateral or angular directions and the bellows must therefore be designed and.
Standard specification for nonmetallic expansion joints. Axial expansion joints perfect for axial movements belman. Flange type is available gimbal expansion joint specification. If the expansion joint will be installed outdoors, make sure the cover material will. Hydra annularly corrugated hoses for self installation. This guidebook is an informative and inspirational tool for the reliable specification and selection of the correct type of metallic expansion joints. Pipe material carbon steel, stainless steel design pressure 0. Spool type expansion joints are designed to be used with metallic retaining rings, and metallic control units when required. American boa is a member of the expansion joint manufacturers association ejma and manufacturers expansion joints in accordance with the latest ejma addendum. Flexicraft industries expansion joints and all flexible. The unique unisource ultralon metal expansion joints combines the properties of metal and fluoroplastics into the most advanced, versatile expansion joint on the market today.
Kurbo metallic expansion joints are device containing one or more bellows. This latter condition more closely approximates the service to which the expansion joint will be subjected. Material aisvastm 304 l stainless steel 316 316 l 316 ti 321 il 9 i brief characteristis din 1. They are installed in pipe work and duct systems to prevent damage caused by thermal growth, vibration, pressure thrust and other mechanical forces. Store expansion joints in a drycool location such as a warehouse. Under the guidance of these codes, james walker townson offers a complete range of comflex metallic expansion joints. Installation of the joint inside or outside the duct eliminates removal of the metallic joint and possible associated costly asbestos removal. Page 1 how to order metraflex metal expansion joints certain basic information about the pipeline system is required in order to select and order expansion joints. Senior flexonics recommends that for flexway single expansion joints the first guide be located within four 4 pipe diameters from the expansion joint and the second guide be located within a distance of fourteen 14 pipe diameters from the first guide. Corten steel metallic rectangular expansion joint for flue gas line 1118234823000mml double miter corner type intermediate pipe, sleeve. Metal bellows expansion joints are often used to compensate for thermal expansion of hot piping systems. We have just noted how placing a flexible metal bellows at selected locations in a piping system can accommodate its thermal movement.
Our various product configurations and custom services will. Our leadership has been earned through consistent application of solid engineering principles, stringent quality standards, and product innovation to produce safe and reliable metal expansion joints for all types of. The thermal expansion of a straight pipe line section between two fix points can be absorbed by axial expansion joints with a relatively compact buildin length. We off er multiple corner confi gurations such as radius, single and double mitered, and camera corner types. Thorburns metallic expansion joints and connectors for piping and ducting systems. Metallic expansion joint catalog pdf version us bellows.
The term fabric expansion joint is a little misleading, in that it covers a wider range of products and materials than just fabrics. Expansion joints offer axial compression and elongation in piping systems which compensates for the thermal expansion stress on your pipes and anchors. B6 guardian 306 ezflo garlock guardian 306 ezflo spooltype expansion joints feature an fep lining that is fused to the body of the expansion joint. Vaidutes felikisas jakusikas, transverse vibration of bellows expansion joints journal of applied mechanics, trans of the asme. Expansion joints where the flexible element is formed into a u or conical shape. Kurbo metallic expansion joints are available in many different designs.
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