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Recent content by bvsrtt

  1. bvsrtt

    Compressor Tandem Dry gas Seal : Failure of inboard and outboard seal

    the reply is meant for ed16 ( mechanical)
  2. bvsrtt

    Compressor Tandem Dry gas Seal : Failure of inboard and outboard seal

    Pmover, Failure of primary and secondary seals simultaneously can happen,due to one of the below or due to all. This can be seen in typical cases where there is no intermediate labyrinth seal between primary and secondary. 1.Defective filters. if the gas filters fail and allow large particles...
  3. bvsrtt

    Experience of Solar compressors

    Hi monaco 8774, it is important to mention the service applications such as hydrocracker plant , Ethylene plant, reinjection etc,. these applications require a compressor manufacturer to have supported the process requirements, operational requirements, and API requiremments. and a large...
  4. bvsrtt

    Mechanical Seal Damage Due to Suction Pressure Spike

    Hi Swern, The problen is really interesting ! which is the compressor service make and model of machine, is it motor dtriven ? The phenomenon explained by you is a normal feature in high pressure centrifugal compressors. When Antisurge valve opens, the down stream of ASV or in other words...
  5. bvsrtt

    17-4PH compressor impellers

    I had experience in using 17-4 PH material for centrifugal compressor impellers for FCC application with a H2S of 5-8% It was our practice to use 13%Cr steel AISI 410 grade for the FCC wet gas compressors in refineries. The impellers used to have limited life and effect of erosion was...
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