Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations waross on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: mbelly84
  • Content: Threads
  • Order by date
  1. mbelly84

    Cryogenic Seat Leakage Test For SPE-DPE Trunnion Mounted Ball Valves (BS6364)

    We have a number of cryogenic TMBV's, 3x2 class 150, lip seals, PCTFE seats. Seat configuration is SPE-DPE. Valves have been tested 100% at ambient temperature according to API 6D (leaks detected through body cavity, DPE seat tested in both directions) with no leaks. The problem is that BS6364...
  2. mbelly84

    TMBV - is the cavity vent plug considered a pressure retaining part?

    a customer is asking me to repeat the shell test on all my trunnion mounted ball valves, for the simple reason that during the seat test we are removing the cavity vent device and putting it back now this is something new to me API 6D asks for checking seat leakage through cavity drain or...
  3. mbelly84

    testing bench for RTJ end valves

    Sorry for the weird question here. Usually, when customers ask us to test RTJ valve with oval ring gaskets (to test RTJ groove integrity) we test it out of bench with blind RTJ flanges (full end thrust test). Would it be possible to do the same thing on a vertical hydraulic testing bench...
  4. mbelly84

    what material is this? is it coated?

    hello, please take a look at the attached picture. this cap is used as a mechanical stop in lever operated ball valves (it's got no "structural" duty as it's not subject to loads) seems clear to me that's a casting (CS or cast iron) but i'm not sure if the material is also coated in some way...
  5. mbelly84

    CAST IRON BODY

    this may be one stupid question, but: why select a cast iron body for a globe valve?
  6. mbelly84

    ALTERNATIVES for Bronze Body/Trim for Globe Control Valves

    Customer is asking for a 2" globe valve with ASTM B62 body with Bronze trim. Are there equivalent alternatives to propose? DUPLEX could do? Unfortunately service and fluid are unknown for now.

Part and Inventory Search