Metal expansion joints - Import export

Expansion joints serve a crucial role in industrial ductwork by facilitating the controlled expansion and contraction of ducts. Their primary function is to accommodate thermal movements within the ductwork system. They mitigate thermally induced stresses by allowing thermal movements in a relatively unrestricted manner. Expansion joints contribute to the overall flexibility and structural integrity of the system which is essential in preventing the build-up of stress that could otherwise lead to damage in equipment, ductwork, and supporting structures.

Expansion Joints Group *** AXIAL-LATERAL METAL BELLOWED EXPANSION JOINT ( WELDED NECK) / AXIAL-LATERAL METAL BELLOWED EXPANSION JOINT ( FLOATING FLANGE) / AXIAL-LATERAL METAL BELLOWED EXPANSION JOINT ( FIXED FLANGE) / EXTERNAL PRESSURED EXPANSION JOINT ( WELDED NECK ) / EXTERNAL PRESSURED EXPANSION JOINT ( FLANGED ) / VIBRATION ABSORBER METAL EXPANSION JOINT ( TIE-ROD) / PIPE EXPANSION JOINT / RUBBER EXPANSION JOINT ( FLANGED) / RUBBER EXPANSION JOINT ( THREADED) / DILATATION AND EARTHQUAKE EXPANSION JOINT (WELDED NECK ) / DILATATION AND EARTHQUAKE EXPANSION JOINT (FLANGED ) / LIMIT RODS DILATATION EXPANSION JOINT (WELDED NECK / GROOVED END ) / LIMIT ROD DILATATION EXPANSION JOINT (FLANGED)

The KBD Diffusion team listens to its customers and has experience in recommending building equipment and offers you custom-made metal plates. 20 mm thick, they are sized to the size of your formwork panels, whatever their brand: SATECO, OUTINORD, HUSSOR, COSMOS, DEKO ... They are equipped with tightening nuts corresponding to the dimension of your rods. Thanks to their lifting ances, they are easy to crane and move. They can be delivered with an alignment angle fixed to the side of the sheet of your choice to facilitate their alignment. These sheets allow you to quickly cast your expansion joints without wasting cardboard and polystyrene. They make it possible to gain flexibility while maintaining high pouring rates. In addition, thanks to these expansion joint sheets, you can use the concrete of your choice and the pouring technique that best suits your site.

Profile guide rails can be screwed on from above. The profile guide rails are available in four sizes and one or more carriages can be assembled on them. 4row versions with round arch profile. The tracks of the profile guide rails are set below an angle of 45° and thus can carry loads from all directions. The profile guide rails correspond to the market standard and can replace linear guides of the same design by other manufacturers. On request Lengths up to a max. 3960 mm.

Body carbon steel. Balls roller bearing steel. Diverters plastic. Standard guide carriage with recirculating ball guidance precision N not preloaded (Z0). With doublesided end seal. 4row versions with round arch profile. The profile guide rail tracks are arranged at 45° and can accept loads from all directions. High dynamic values v = 5 m/s. Applicable temperature in continuous use max. 80 °C. On request Various precision and preload classes. Drawing reference 1) ground ref. edge

This is the most installed version of the fabric expansion joints (KOREMA® type A3 or AC3 as well as B3 or BC3). The name »flange-type« is used for expansion joints located between pipe or duct end flanges. For existing plants, the flange design varies according to customers’ requirements or depending on the constructed steel design. For innovative designs KOREMA® will identify the suitable technical and economical solution. Special design: supplied as »open« multilayer expansion joint. On-site service available exclusively from the KOREMA® service team. Insulation is incorporated to protect the expansion joint against abrasion as well as for thermal insulation. The choice of insulating material, either mineral wool or ceramic felt, depends on the design temperature. For operation at or below dew point, a vulcanized elastomeric layer is available. Pre-assembled units, complete with liners and clamp bars, are available.

Each expansion joint is tailor made. Layers of material are assembled on a frame which conforms exactly to the required profile. Bellows type expansion joints incl. or without reinforcing rings/frames. Diaphragms Expansion joints for varying cross sections and transitions. Construction from round to rectangular Construction according to drawings Non-standard high temperature seals Compound movement

The number of patents awarded to KOREMA® such as SIMIFLON® reflects an ongoing commitment to long term development of specialty materials which have opened new horizons and perspectives for the future. SIMIFLON®, (light colored material) is designated foodstuff quality and certified according to § 177.2600/177.1550 CFR of US Food and Drug Administration (FDA) as well as to EU Regulations EU 2002/72/EG and EU 10/2011.

The belt type is the preferred choice for large diameter ducts. Delivery available with insulation pre-installed for high temperature applications. Insulation depends on temperature level of the medium. Insulation is necessary to protect the expansion joint from abrasive media. Corners of rectangular expansion joint frames should be radiused. Delivered as open-end construction for site completion. The final splice will be made on site. The storage and installation instructions as well as the necessary adhesives are included with each shipment. Pre-assembled endless units are complete with appropriate steel components which may be in several parts depending on the size. KOREMA®’s “on-site service” is available for site supervision.

Since 1934 working with elastomers, we have developed special know-how in development and manufacturing in the field of technical hose products. Hoses Hose systems Moulded articles Rubber-metal bonds Expansion joints Special Versions As individual components or as combinations. Here, our experts unleash their creative powers and problem-solving skills. The main features of these customer-specific versions are top quality and high degrees of innovation and individualisation, directly maximizing the benefits to the customer. The following pages give some insight into the wide range of technical hose products and possible solutions to problems. Please do not hesitate to contact our technical sales department for more information.

The term metal bellows refers to a structure that is composed of one or more stainless steel sleeves fitted into one another and is rendered elastic by the introduction of parallel corrugations. Metal bellows can be arranged to complete combinations of metal bellows (expansion joints). Thus, every specific requirement can be met. As raw material for the sleeve production, stainless steel strips or sheets with a thickness of 0.15 - 3 mm in the standard grades are used: 1.4541 / AISI 321 1.4571 / AISI 316Ti 1.4404 / AISI 316L 1.4307 / AISI 304L                                                              material with high chemical resistance and temperature resistance:   1.4435 / AISI 316L 1.4539 / AL 904L 1.4878 / AISI 321H 1.4828 / AISI 309 1.4462 / AISI 318 LN 1.4410 / AISI F53 or additional special materials:      1.4876 / Incoloy 800HT 2.4858 / Incoloy 825 2.4856 / Inconel 625 2.4816 / Inconel 600 2.4610 / Hastelloy C-4 2.4819 / Hastelloy C-276 2.4602 / Hastelloy C-22 3.7035 / Tit

The term metal bellows refers to a structure that is composed of one or more stainless steel sleeves fitted into one another and is rendered elastic by the introduction of parallel corrugations. Metal bellows can be arranged to complete combinations of metal bellows (expansion joints). Thus, every specific requirement can be met. As raw material for the sleeve production, stainless steel strips or sheets with a thickness of 0.15 - 3 mm in the standard grades are used: 1.4541 / AISI 321 1.4571 / AISI 316Ti 1.4404 / AISI 316L 1.4307 / AISI 304L                                                              material with high chemical resistance and temperature resistance:   1.4435 / AISI 316L 1.4539 / AL 904L 1.4878 / AISI 321H 1.4828 / AISI 309 1.4462 / AISI 318 LN 1.4410 / AISI F53 or additional special materials:      1.4876 / Incoloy 800HT 2.4858 / Incoloy 825 2.4856 / Inconel 625 2.4816 / Inconel 600 2.4610 / Hastelloy C-4 2.4819 / Hastelloy C-276 2.4602 / Hastelloy C-22 3.7035 / Tit

The term metal bellows refers to a structure that is composed of one or more stainless steel sleeves fitted into one another and is rendered elastic by the introduction of parallel corrugations. Metal bellows can be arranged to complete combinations of metal bellows (expansion joints). Thus, every specific requirement can be met. As raw material for the sleeve production, stainless steel strips or sheets with a thickness of 0.15 - 3 mm in the standard grades are used: 1.4541 / AISI 321 1.4571 / AISI 316Ti 1.4404 / AISI 316L 1.4307 / AISI 304L                                                              material with high chemical resistance and temperature resistance:   1.4435 / AISI 316L 1.4539 / AL 904L 1.4878 / AISI 321H 1.4828 / AISI 309 1.4462 / AISI 318 LN 1.4410 / AISI F53 or additional special materials:      1.4876 / Incoloy 800HT 2.4858 / Incoloy 825 2.4856 / Inconel 625 2.4816 / Inconel 600 2.4610 / Hastelloy C-4 2.4819 / Hastelloy C-276 2.4602 / Hastelloy C-22 3.7035 / Tit

The Ozdekan EX are waterproof expansion joints that allow absorption of the deck movements. These joints are manufactured with rubber elements and restrained to the structure with proper anchor bolts. The reinforcing metal profiles made of steel are completely inserted and vulcanized to the rubber. This process is a total guarantee against corrosion and allows a longer life to the product. The rubber compound, too, has been intentionally formulated to resist the oil, grease, petrol, salt and sand, without besides, suffering premature ageing phenomena due to sun rays, salt and snow. All the joints follow the deformations and movements of the structure (the movement can exist with every skew angle from 0° to 90°) by shear deformation of the rubber elements. Anchor bolts, made of steel and protected with anticorrosion treatments, absorb the elastic reactions and all the other kind of mechanical solicitations. www.ozdekan.com

Dilatation expansion joints are the interconnection elements that ensure uninterrupted and efficient operation of the installation in the joints of buildings with different foundations (Dilatation), by absorbing strain and rupture that can occur in the pipelines due to building collapses or earthquakes, and lateral deviations. These types of expansion joints consisting of double bellows can be fixed to the desired expansion amounts by using limit rods. They can be used at all Dilatation points in building passages.

Flexible connectors, rubber expansion joints, play a crucial role in absorbing movement, vibration, and noise within piping systems. These joints adeptly accommodate thermal expansion, contraction, and misalignment while steadfastly maintaining a tight seal.