1. The stainless steel flexible joint.
2. Absorbing in vibration and noise which making by pumps, compressors, engines, burners, etc. The Expansion Joint must be set as close as possible to the soured of vibration to exclude the oscillation equipment. Bellows is with same elastic as spring in elastic. The smaller the modulus of elastic, the greater the ability of absorbing vibration. Bellows is possessed of very smooth curve and the even thickness. So the modulus of elastic is very small. That is why bellows can absorb the vibration perfectly.
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