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Product DescriptionL-40700 high Performance control valve with good dynamic stability that is suitable for severe service conditions. In this structure, the fluid often flows from the outside of the cage to its inside. Thus the jet impact and flocculating flow are controlled within the cage, the down stream fluids of a stable point are formed, the large scale effect is reduced. Therefore noise is reduced and the frequency spectrum that produces noise is changed. Valve lower the noise by 15~20 db. Through narrow the hole diameter on the cage, the noise can be further reduced. This structure is