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B130 Seal Type Classifications_120131_bi

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mechanical seals
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  © John Crane  © John Crane BOTH ! An art or a science?Seal Type Selection  © John Crane (if possible):fluid viscosity, s.g.abrasive content,concentration,seal chamber drawingany other relevantinformation! Minimum data for proper seal selection + data sheet process fluid ………… pressure suction …………...discharge ………..seal ………………. temperature ………….. speed …………………... shaft / sleeve size …. Seal Type Selection  © John Crane Secondary seals-  làm kín thứ cấp  Secondary seal prevents leakage between the rotating seal unit and thepump shaft or shaft sleeve Secondary seal ngăn chặn rò rỉ giữa phần seal chuyển động và trục bơm hoặc ống lót trục  Different types of secondary seal offer different benefits and performancelimits Những kiểu khác nhau của secondary seal được chọn cho những lợi ích khác nhau và khả năng giới hạn.  Secondary seals are used as a means of classifying seal designs Secondary seal được dùng như là phương tiện để phân loại thiết kế seal , ea ype asscatonsPhân loại Seal Stationary Seal UnitPhần seal đứng imRotating Seal Unit Phần seal quay theo trục
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