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Analysis of the flexible rubber expansion compensator in the specific use of the environment of pres

Apr-23-13
Analysis of the flexible rubber expansion compensator in the specific use of the environment of pressure resistance and resistance to pressure
The large static pressure that the expansion compensator can accept at room temperature, i.e., the large pressure resistance of the metal, cannot undergo shape change. Therefore, the compensator shall bear this pressure during the working process and cannot produce shape change. If the metal bellows is fixed at both ends, the pressure inside the cavity is large enough that the compensator has the risk of explosion damage. When the compensator starts to burst, its internal pressure value is called bursting pressure. During all operations, the working pressure of the flexible rubber expansion compensator is much less than the bursting pressure, otherwise the flexible rubber expansion compensator would crack and be damaged. Although there are two or three layers, its wall thickness is much thinner compared to the pipe, so the compensator has become a weak component of the heat network. The possibility of damage to the compensator is high in all kinds of accidents.
In the process of pipeline operation, the product has certain multi-directional displacement efficacy, for the key expansion and contraction effect in the process of pipeline operation caused by factors such as thermal expansion and contraction, crust depression and support, etc. Therefore, the application of expansion joint products can reduce the blind torsion in the pipeline operation and provide a certain degree of maintenance to the pipeline, which provides a great convenience for the installation and maintenance of the pipeline. This series of products are made of metal, which have high compressive strength and tensile strength, soft use performance, easy loading and unloading and handling, etc. They are widely used in manufacturing industries such as electric power engineering, metallurgical industry, chemical plants, water supply and drainage and sewage treatment, etc. Their main efficacy is the connection between centrifugal pump at gate valve and pipeline.
Flexible rubber expansion compensator strictly prohibit the following operations: fall off or collision; remove the transportation fixed rod before installation; remove the moisture-absorbing dry bag or outside packaging right before installation; apply the bracket with tabs or transportation fixed immovable rod as lugs; put the transmission chain or all lifting equipment in direct or indirect contact with the bellows compensator or corrugated outside package; the corrugated surface layer should avoid welding slag dripping down and welding machine mechanical solitary Application of cleaning fluid containing fluoride; use wire brush or steel brush to clean the corrugation; corrugation generally can not withstand torque, in order to better the positive bolt hole for extrusion molding or twisting one end of the bellows compensator; all sliding frame and fixed bracket are not yet installed before carrying out hydrostatic pressure testing or system software exhaust; testing in the application of transport fixed immovable rod to bear the torque caused by the liquid working pressure; take the pipe bracket for rolling frame.