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近年来,从国外引进的热油泵其轴封大都是金属波纹管机械密封。这种密封的使用效果相当理想,其特点已为人们所认识。同时,国内也研制出金属波纹管机械密封,并用于高温热油泵。 1983年我厂在液化气泵上采用了机械工业部通用机械研究所生产的HJBF金属波纹管机械密封(以下简称波纹管密封)。经一年多的实际运转考核,表明这种波纹管密封性能可靠,寿命长,所需维修费用少,应大力推广应用。
In recent years, the introduction of hot oil pump from abroad its shaft seal are mostly metal bellows mechanical seal. The use of this seal is quite satisfactory, its characteristics have been recognized. At the same time, the domestic also developed a metal bellows mechanical seal, and for high temperature hot oil pump. In 1983, our factory adopted HJBF metal bellows mechanical seal (hereinafter referred to as bellows seal) manufactured by General Machinery Research Institute of Machinery Industry on LPG pump. After more than a year of the actual operation of the assessment shows that the bellows sealing performance, long life, less maintenance costs, should be vigorously promote the application.