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Recent content by GAL02

  1. GAL02

    BOLT TENSIONING

    Dear all, Good morning! Thanks for your response, I have gone through ASME PCC-1 but there is a two-way guideline. Anyhow, understand that there is no such confirmative guideline to say use from this size & why it's so. With regards
  2. GAL02

    BOLT TENSIONING

    Dear all, Good morning! Hopefully all of your doing well and taking care during the pandemic. Well! I have a query regarding the usage of Bolt tensioning, as a general practice we do torquing to achieve flang joint integrity from smallest to larger size bolts but what is the guideline or...
  3. GAL02

    Good afternoon to all! I came acro

    :) Hi! It's just Merry-go-round! With regards
  4. GAL02

    Torque calculation?

    Hi! Thanks all! of you i will get it done with your guidance. With regards
  5. GAL02

    Torque calculation?

    Hi! How do we calculate Torque to be apply on bolts? If Bolt size, length & Nut size known to us. bolt size: 2 1/2" Length : 17" Pl. Revert With regards
  6. GAL02

    Good afternoon to all! I came acro

    Good afternoon to all! I came across term 'SRWN' RF flange during PV Dwg.overlook. As I know LWN flange as 'Long weld neck flange' but what is 'SRWN' flange? Is it Short Radius Weld Neck (SRWN)Flange? Pl. revert. With regards
  7. GAL02

    Safety valve Gagging

    Dear all, Good afternoon ! AS we know for Boiler testing purpose we are doing gagging of Safety valve. I Search Google for any videos related to it which can put more light on it but not found. Can anybody explain in detail or any doc. or video can be share? Pl. revert. With regards
  8. GAL02

    EMERGENCY: BALL VALVE BEHAVIOUR UNDER HIGH PRESSURE

    Dear all, Good morning! First of all thanks to all of you who share their views based on Experience & situation. Here I would like to share my experience for this critical job. As suggested & then decided to stop the plant & work on it Process given that opportunity and maintenance remove the...
  9. GAL02

    EMERGENCY: BALL VALVE BEHAVIOUR UNDER HIGH PRESSURE

    Dear Mr. Danlap, Good morning! Thanks to your and all for valuable guidance in this regard. it gives me more confident to say 'NO' to highly risky jobs under pressure. With regards
  10. GAL02

    EMERGENCY: BALL VALVE BEHAVIOUR UNDER HIGH PRESSURE

    Dear Mr. Danlap, Hi ! The link you have send is really educative thanks a lot for the same. is their any such animation web site or Technical guidance Web where such incidents regarding different issues can be seen? Pl. share it if any. With regards
  11. GAL02

    EMERGENCY: BALL VALVE BEHAVIOUR UNDER HIGH PRESSURE

    Dear all, Good morning! Actually this Petrochemical plant is 60 Years Old, and i am working as a Reliability Engineer. Periodically (2 Y Frequency) TA is getting conduct but since 2014 there is no TA as management decided to exit from this business hence with loss of production it is some...
  12. GAL02

    EMERGENCY: BALL VALVE BEHAVIOUR UNDER HIGH PRESSURE

    Dear all, Good afternoon ! Following is the situation for subject valve; Valve: Ball Valve Pressure seal bonnet gasket Connection: BW Class: 2500 # Gear operated (Ratio:275:1) Service: Synthesis gas Temp: 50° C Pressure: 200 Kg/ Cm2 Position: Full open (Suspected 95 % open) Problem: GEARBOX WORM...
  13. GAL02

    How to calculate check valve test pressure, 1) Metal seat & non metal seat 2) High pressure &amp

    Dear Mr. Ehzin, Good morning! Thanks for your feedback, I am the end user of the valve. With regards
  14. GAL02

    GATE VALVE BEHAVIOUR UNDER PRESSURE

    You are very right, but just we want to check any possible option which can be execute to save production "safely". For us my team "SAFETY is FIRST". Thanks a lot to share your views. With regards
  15. GAL02

    GATE VALVE BEHAVIOUR UNDER PRESSURE

    Dear all, good morning! Thanks for your valuable feedback. I guess that there is something is not clear in my query, that I am going to made it clear. Plant is 57 years old. Super Heater Outlet Valve, (Connecting to main header) 1) Valve: Gate Valve 2) Size: 12" x 10" X 12" 3) Connection: BW 4)...
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