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  • Users: CHoff07
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  1. CHoff07

    Thermal Relief Valve on Cooling water lines for Seal Coolers And Seal Pots

    API 682 3rd and 4th Edition, Section 9.8.3 has a decision point for the inclusion of thermal relief valves (TRV)for components that may be blocked in by isolation valves. We are considering adding TRVs to the cooling water side of all API plan 23, 52 and 53 (A and B) flush plans as a standard...
  2. CHoff07

    Sundyne Pump Suction Line

    Is it ok to have an eccentric reducer right at the inlet of a Sundyne Pump? I have an existing installation of a Sundyne pump (LMV-311 3"x2") The suction pipe is 6" diameter schedule 80 from the vessel to about 4 feet from the pump, then a 6x3 reducer is used to get down to the pump's suction...
  3. CHoff07

    Hydraulic Power Recovery Turbine (HPRT) Design Questions

    I'm looking to explore the Pro's and Con's of various HPRT designs as it relates to long term reliability. It seems like different vendors offer different solutions and I'd like hear from people on the types of machine they have installed and the availability of the HPRT. All discussion will be...
  4. CHoff07

    Belzona for Pump Casing Repair?

    Has anyone had good luck making repairs to a corroded pump case using Belzona? How long could I expect the repair the last? What do I need to look out for during the process to ensure long lasting results? If not Belzona, what's a better method for pump casing repair? The process is Lean...
  5. CHoff07

    API Plan 23 Seal Flush Tubing Material for Water with Chlorides

    What piping or tubing material is best suited for water with small amounts of HCl and chlorides? I have an API plan 23 and the specified material is Stainless Steel tubing but I am concerned with SCC of the tubing. Do I need to Heat Treat the tubing before installing it (but after bending...
  6. CHoff07

    Sundyne Gearbox Lube Oil Pump Expected Life

    I'm looking to get a better sense of the life of the internal gearbox lube oil pumps on high speed Sundynes. The local salesman stated that I should expect ~2 years which seems very low to me. I'm not sure if this is their conservative answer to cover any issues one may have or if this part...

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