Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations JAE 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: Newbie
  • Content: Threads
  • Order by date
  1. Newbie

    Valve Torque

    thread408-157477 Referring to the thread attached; When it comes to designing the valve by ourselves: 1. Do we calculate the torque, as in we design the torque for the valve? 2. If we measure the torque, that means we did not take into account the torque value when designing earlier? 3. A...
  2. Newbie

    Hydrostatic shell test pressure

    Greetings! Referring to API 6D, para. 9.3: "the test pressure shall be 1.5 or more times the pressure rating determined in accordance with 5.2 for material at 100 deg F (38 deg C)"; if I am to run a pressure test on a 2" 150 Ball Valve, A105 material with 150 deg C pressure rating, which gives...
  3. Newbie

    Differences between seat, seat insert and seat ring.

    Greetings, Can anyone kindly explain to me what are the differences between seat, seat insert and seat ring? Valves figures in API 6D show only seat ring and I got confused when I saw valve drawings with seat and seat insert.
  4. Newbie

    Breakaway torque for ball valve

    Hi everyone! Can somebody explain to me how to calculate the breakaway torque for ball valve particularly for 2 inch - class 150 ball valves. The material for seat is PTFE and the ball is made up of ASTM A105. Thanks!
  5. Newbie

    Total Membrane Stress Intensity

    I just started working as a graduated engineer. Never heard of total membrane stress intensity during my studies and yet have to solve the total membrane stress intensity. Anyone can teach me about membrane stress intensity and how do I calculated for the total? [sad]

Part and Inventory Search

Back
Top