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Justifying retrofitting gas seals

机译：改装气密封的理由

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One day in the fall or 1988 my manager said to me: "You must have felt last night like one of the people launching the first space rocket-not knowing whether or not it would work". He was referring to our self-directed retrofit of gas-lubricated shaft seals and a successful start-up on two critical motor-driven, 3000-hp ethylene refrigeration turbocom-pressors. Our achievement was a first for our large multi-national petrochemical company, even though, admittedly, gas transmission companies in North America were applying gas seals in the early 80s well ahead of the HC process industries.Things have changed since then. It seemed the ice was broken in those days and many compressor operators followed suit by replacing their cumbersome, oil-lubricated shaft seals with gas seals. Today gas seals have come to be known as a reliable and cost-effective alternative to oil type seals. Their key characteristics are low leakage rates, wear-free operation and an extremely low level of power consumption.
机译：1988年秋天的一天，我的经理对我说：“您昨晚一定感觉像是发射第一枚太空火箭的人中的一个，却不知道它是否会起作用”。他指的是我们对气体润滑的轴封进行的自我改造，并成功启动了两台关键的电机驱动的3000马力的乙烯制冷涡轮压缩机。我们的成就是我们大型跨国石化公司的第一项成就，尽管公认的是，北美的天然气传输公司在80年代初就在气垫加工行业之前应用了气封，但此后情况发生了变化。在那段日子里似乎已经破冰了，许多压缩机操作员也纷纷效仿，用笨重的油封代替了笨重的油润滑轴封。如今，气密封已成为油型密封的可靠且经济高效的替代产品。它们的关键特性是低泄漏率，无磨损运行以及极低的功耗水平。

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