Transcription of Mechanical Seals Technical Manual - fluiten.it
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Mechanical SealsTechnical ManualTHE FUNDAMENTALSThe Mechanical liquid film ..3 Leakage ..4 Degree of ratio ..5 Unbalanced CONFIGURATIONSS ingle internal external seal ..11 Back-to-back double seal ..12 Tandem double seal ..13 Dual seal ..14 Face-to-face seal ..14 THE SELECTIONC ooling system and API planes ..19 Selection of Mechanical Seals ..19 Clean, not harmful, neutral, not flammable products ..21 Fluids crystallizing when in contact with atmosphere ..21 Acid products ..22 Hot liquids ..22 Aqueous solutions prone to solidify or produce sediments ..23 Toxic, poisonous or highly viscous fluids ..24 Abrasive fluids ..25 Hot water ..26 THE TYPESS ingle seal with single Seals ..30 Seals with protected springs ..31 Elastomeric bellow Seals ..32 PTFE bellow seal.
THE FUNDAMENTALS 5 ALPHA ALPHA unavoidable phenomena like vibrations, misalignment and shaft run-out and for this reason it's called "dynamic" (Fig.6)It follows that such parameters as working length, gasket compatibility with the process fluid, dimension and finishing of the shaft have to be carefully considered for good …
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