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  • Users: PVRV
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  1. PVRV

    PV - Design Life

    Several PV have been manufactured, maintained and inspected as per Code requirements. The survey intervals have been reduced to four years and provisions are in place for internal protection (coating + sacraficial anodes). On-line inspection included UT scanning and RBI has been carried out...
  2. PVRV

    Heat Treatment

    Is Quenching & Tempering a permissable alternative to Normalizing? bearing in mind that the plates in question will be subject to fabricaton (rolling & welding) subsequently stress-relieving. Cheers
  3. PVRV

    Weld Clearances

    Is it common to allow anchor chair to be welded across the COD(Clean Out Door) RF (Re-enforcement Pad) weld.
  4. PVRV

    ASME ASME ASME

    Why arent corroded conditions considered for nozzles ? (re-enforcement pad calculations)
  5. PVRV

    (Materials)

    Service high concentration of, hydrogen sulphide and chlorides. Service temperature is about 70 C. Flow Characteristics : Sand Abrasion. What materials would be recommended? Anyone come across Hastelloy cladding for a cs vessel. Any experience Gunite Linning or FBE for pressure vessels...
  6. PVRV

    Fixed Roof Tanks

    Is there a distinction if any between Pressure/Vacuum relief Valves and Breather Valves.

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