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Tackling your seal problems

机译:解决密封问题

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A recent pump reliability improvement issue might serve as a model for tackling sealing issues in modern refineries.This one concerns crude vacuum bottoms pumps and explains a North American refinery's troubled history with seal systems for its 4 in.by 6 in.by in.overhung top-suction/top-discharge pumps.The operating characteristics are somewhat typical at between 750 and 800 US gpm,about 650 ft of head,750 degF,about 5 psia suction pressure,S.G.= 0.77 and 3,560 rpm.
机译:最近的泵可靠性改进问题可以作为解决现代炼油厂密封问题的模型,该问题涉及粗真空底部泵,并解释了北美一家炼油厂因其4英寸×6英寸×6英寸悬臂式密封系统而陷入困境的历史在750至800 US gpm之间,大约650 ft的扬程,750 degF,大约5 psia的吸入压力,SG = 0.77和3,560 rpm的情况下,运行特性有些典型。

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