These joints are obtained by opposing two finger-shaped metal elements: each is fixed to its head, thus ensuring, thanks to a suitable interpenetration, continuity of the carriageway in case of expansion/shrinkage. Their static layout can act as a beam on two bearings when the finger rests on both heads or as a shelf when it overhangs a head. A specific device is needed, usually a gutter, to ensure the gap watertightness. Special attention should be paid to the alignment during the installation phase and to the head anchoring, especially in the case of shelf layout. Except for special arrangements, this type of joint permits limited transverse displacements. TIPOLOGIE: SFE 90/65 GP FE C
Turkey
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.
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Penstocks are used to discharge the headwater from a reservoir. Due to thermal and dynamic effects on the pipelines which are usually run underground in the mountain, compensation for expansion is necessary. By fitting an expansion joint, slow creep movements, eccentricity, dilation and also pipe misalignment can be reliably absorbed. The MANOY® system seal WP, type 436, was specially developed for leakagefree operation of an expansion joint.
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We produce expansion joints for all industrial sectors to take up vibrations, for noise absorption, or to compensate distortion by axial, lateral or angular movements. Our expansion joints are available in various versions and numerous elastomers variants in inner diameters from 25 mm to 1600 mm. Testing certificates of all well-known testing institutes are at hand. TYPE II Single or multiple flutes with rubber/fabric flange. Various elastomers qualities. ND 32 to ND 1600, Standard length n 250, 300 und 350 mm, Standard pressure stage 10 bar. TYPE V and TYPE VII Single wave with rubber sealing bead. Various elastomers qualities. ND 32 to ND 600. Standard pressure stage 10 bar. TYPE V Standard length 100 mm TYPE VII Standard length 130 mm HKS and HKA Per heating standard DIN 4809. COUPLING EXPANSION JOINT Single or multiple flutes, in various elastomers qualities. ND 25 – ND 750, any length for pressures from –0,8 to +15 bar, with clamping band. RUBBER-METAL PIPE...
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Bitumer Flexigum PU is a one-component bitumen-polyurethane compound that forms a permanently flexible and chemically resistant fastening and stress transfer compound. Bitumer Flexigum PU finds its use in: •for continuous resilient fixing of the rail as a subfloor, •rail fastening compound and as a lagging for the underfloor, •for making permanent and flexible expansion joints between concrete slabs and elements made of steel, •filling the gaps located between the road strip and the rail, •for filling concrete-to-concrete joints •filling joints, gaps, cracks and expansion joints in heavily worked asphalt and concrete pavements ( e.g., curbs on bridges), •filling joints "working" on steel and concrete bridges and other pavements characterized by strong movements.
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