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  1. shreyas007

    Stuffing box calculation for multistage pumps

    thread819-59312 My query is regarding stuffing box pressure for multistage centrifugal pump for following cases: case a) BB2 (double suction pump) - Pressurized dual seal - Seal plan : 11-53B-61 case b) BB5 pump with balancing line - Pressurized dual seal - Seal plan : 11-53B-61 For above...
  2. shreyas007

    When to select Seal Plan 21 over Plan 23?

    Dear All, As per API 682, if the temperature is more than 80 deg. c, we should select seal plan 23 (more efficient seal plan with less heat load)? But in many applications, i have seen that Plan 21 is selected instead of Plan 23. Can anybody please tell what is the criteria for selecting Plan...

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