stabilus rubber vibration isolator Germany stabilus model stabilus price

stabilus rubber vibration isolators are used to eliminate or reduce the transmission of mechanical vibrations. Rubber products designed for vibration isolation, noise reduction, and mitigation of impact hazards are collectively referred to as rubber vibration isolation products. They are suitable for low-frequency vibration isolation and buffering, and can serve as vibration isolators for vehicle and marine equipment. The range includes rubber vibration isolators, rubber buffers (blocks, pads), rubber connectors, air springs, and rubber fender guards. These are pure rubber products or rubber products reinforced with fabric or metal skeletons, generally manufactured by molding. They are widely used in building construction, mechanical equipment, vehicles, ships, and instrumentation industries.

stabilus rubber vibration isolator selection

Selection instructions for flexible rubber joints: 1. The standard applicable temperature range for rubber joints is -200 to 70°C. Instantaneous temperature can reach 115°C; operating temperature is 70 to 115°C. 2. For flanged rubber joints, if the working pressure and temperature are high (nominal diameter above 200, temperature above 70°C, working pressure above 1.5Mpa), flanged rubber joints equipped with limit devices can be selected. 3. For flanged rubber joints, during installation, the bolts connecting the flanges must be inserted from the inside of the flange outwards to both ends. Use flat washers or spring washers, and tighten the bolts diagonally and gradually. For rubber joints with union connections, do not swap the union connectors at the left and right ends during installation to avoid product leakage or damage.

stabilus rubber vibration isolator advantages

It is a flexible component that effectively compensates for axial deformation. For example, expansion joints welded to the shell of fixed tube-sheet heat exchangers have high axial flexibility and deform easily. They can compensate for the thermal expansion difference between tubes and shells caused by different wall temperatures, reduce their axial loads, thereby reducing thermal stress in tubes, tube sheets, and shells, and avoiding strength failure, instability failure, and tube pull-out failure. There are many types of expansion joints; common structures include bellows type, ring plate welded type, and clamped shell type. Among them, bellows expansion joints are the most widely used, while ring plate welded expansion joints are only suitable for atmospheric or low-pressure applications.

stabilus rubber vibration isolator applications

Expansion joints are also commonly known as compensators or expansion loops. They consist of a bellows (an elastic element) that forms the main working body, along with accessories such as end pipes, supports, flanges, and guide tubes. An expansion joint is a flexible structure installed on vessel shells or pipelines to compensate for additional stresses caused by temperature differences and mechanical vibrations. It utilizes the effective axial deformation of its main working bellows to absorb dimensional changes in pipelines, guide tubes, vessels, etc., due to thermal expansion and contraction, or to compensate for axial, lateral, and angular displacements in pipelines, guide tubes, vessels, etc. It can also be used for noise reduction and vibration damping. In heating systems, to prevent pipeline deformation or damage caused by thermal elongation or temperature stress when the heating pipeline heats up, compensators need to be installed on the pipeline to compensate for the thermal elongation of the pipeline, thereby reducing the stress on the pipe wall and the forces acting on valve components or support structures. As an elastic compensation element capable of free extension and compression, expansion joints have advantages such as reliable operation, good performance, and compact structure, and are widely used in industries such as chemical, metallurgical, and nuclear energy. There are various types of expansion joints used on vessels. In terms of bellows shape, U-shaped expansion joints are the most widely used, followed by Ω-shaped and C-shaped ones. For expansion joints used on pipelines, in terms of structural compensation, they are divided into universal type, pressure-balanced type, hinged type, and universal joint type.

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