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Jiangsu Yi Valve Group's self-developed internal balance type oxygen shut-off valve adopts a balanced structure. Through the design of balancing holes in the valve flap, the balance valve inlet and outlet glands are realized, the valve torque is small, and the pressure and temperature of the medium are reduced. Impact impact. The integral design of the valve disc and the valve stem effectively avoids disc rotating friction and friction on the sealing surface. It adopts a replaceable valve seat structure to realize the on-line maintenance function. It uses a spring energy storage seal ring to perform special sealing on the disc and valve seat sealing surface. Process processing improves the sealing performance and service life of the product.
The Jiangsu Provincial Economic and Information Committee recently organized experts to carry out Jiangsu provincial-level new product appraisal for the 200J541M-600LB internally-balanced oxygen globe valve independently researched and developed by Jiangsu Yihua Group Co., Ltd., from Sinopec, PetroChina, China Apotheosis, and the National Valve Standards Committee. Experts of the appraisal committee composed of experts in the valve industry and end-users agreed that the new product structure design is the first in China and its technical performance indicators are at the leading level in China, and passed the appraisal of provincial-level new products. At present, the new product has been put into mass production, and has been adopted by end users such as Sinopec and PetroChina. The future market prospects are broad.