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  1. Dinu Stan

    Hammer Union Threads for larger size

    Hello Everyone, I have used 9 1/4" - 5 ACME-2G thread for the 6" Fig 2202 and I have verified the strength with the calculations. Right now I am looking for the sealing hub dimensions and sizes. here, I have selected the ID 108mm based on the pipe schedule for sub, any idea about sealing hub...
  2. Dinu Stan

    Hammer Union Threads for larger size

    There are few manufacturers who produce 6” fig 2202 in india. Sofar i have had a benchmarking and identified few dimensions based on some logical methods. Moreover i have done some cross verification of those details with competitors. But the problem is with the threads and sealing portions of...
  3. Dinu Stan

    Hammer Union Threads for larger size

    Hi. Thanks for your reply… I require some engineering details for design this hammer union. Since we have a requirement for one of our customers with this bigger hammer union. I have selected the basic dimensions based on the benchmarking of various similar sizes and pressure ratings of market...
  4. Dinu Stan

    Hammer Union Threads for larger size

    Hello Everyone, I am facing an issue related to hammer union Female sub thread identification for a higher size as well pressure rating. I require 6" Fig 2202 Sour Service Female Sub. Can anyone suggest the ACME Thread size for the same. right now I have selected the 6 11/16 - 5 ACME 2G as...
  5. Dinu Stan

    API 6A 21st Ed. Gate Valves design allowables

    Hi Hanson, if we want to discuss i need to study your thread completely and think related to that in terms of design. since i am not into gate valve design... related to general design factors, we can discuss... unfortunately i have got struck into API 6A auditing work which is scheduled in...
  6. Dinu Stan

    API 6A 21st Ed. Gate Valves design allowables

    Hanson, I had a quick review and i have found, attached photos is not the latest standard edition of API 6X. it may be a draft copy / previous edition which cannot be used. also the underlined sentence is given in the annex as an informative in the new edition which is clearly stated as...
  7. Dinu Stan

    Type 6B Test flange

    Vinay, But there is no scope for the test flange of 6B flange in the spec API 6A. also wherever you are deviating the standard requirement, you cannot be monogrammed... as per this statement, for 6B test flange, you are deviating the requirement however you are modifying the blind flange by...
  8. Dinu Stan

    Type 6B Test flange

    hi Vinay, As per API 6A Clause 3.1.6, blind flanges may be used as a test flange along with test and gauge connector port. however API 6A doesn't have the 6B test flanges, but it still have the scope for the blind flanges. quote--- 3.1.6 Blind Flange Flange with no through-bore, which may or...
  9. Dinu Stan

    Customized Cross/Tee

    Hello Mr.Vinay, For Monogramming as per API 6A, the equipment has to meet the complete requirement of the specification whichever is applicable for the equipment. Unless the Specification allows to deviate the specific requirement, if you are deviating the same then API Monogram cannot be...
  10. Dinu Stan

    API 6A Product Temperature Elevation - Lower Temperature Level

    Thank You jmec87... In the project datasheet, mentioned min. temp is for operating/process temperature. i hope now i can proceed for design based on the material strength (Charpy Impact test will do based on the statement from API 6A section 6.3.2.3.2 para 3) by qualifying the selected...
  11. Dinu Stan

    API 6A Product Temperature Elevation - Lower Temperature Level

    Hi Everyone, I am looking for your help to evaluate the 6A chokes with lower temperature. API 6A temperature standards are defined the lowest temperature which go no further than -60°C (-76°F). here i have a problem with a project which is having -101°C as minimum temperature for chokes that...
  12. Dinu Stan

    Tolerance Min/Max

    Hari Mech, as per your image, the lower value should not go below 6.75 which means already the the lower limit value is fixed (Which is φ6.75)... second thing, based on the component you can be fixed your upper limit as you want.... So generally the value with tolerance will be like φ6.75...
  13. Dinu Stan

    Valves Low temp. material test

    if you want to evaluate the selected material whether it will work in the low temperature or not, then you need to do impact test for the minimum temperature for the all the materials like body / bonnet material, stem material, bolting materials etc. if it is related to valve performance, you...
  14. Dinu Stan

    API 6A 21st Ed. Gate Valves design allowables

    Hi, i have just googled for you... you may go through the below link. you may get an idea... https://www.academia.edu/18063702/Failure_analysis_of_shear_pins_in_wind_turbine_generator Thanks Dinu... There are no secrets to success. It is the result of preparation, hard work, and learning...
  15. Dinu Stan

    Adjustable Chokes Indicating mechanism - API 6A

    Thank You SPDL310. your answer is gonna be helpful further. Let me try and get back you if i have any further doubts... Thank You So much... Dinu... There are no secrets to success. It is the result of preparation, hard work, and learning from failure.
  16. Dinu Stan

    API 6A 21st Ed. Gate Valves design allowables

    Hi HansonBoye, Yup It is accepted by API 6X as well as API 6A. also noted that the allowable stress intensities for FOS, have to follow as per 5.1.2 in API 6X for API 6A product. Thanks... all the best!!! Dinu... There are no secrets to success. It is the result of preparation, hard work...
  17. Dinu Stan

    Adjustable Chokes Indicating mechanism - API 6A

    Thanks SPDL310... Let me try to think to find some way to apply your concept. suggest me something further please... For Example, 40mm travel for 64/64 bean size, the indicator bush marking should have diameter of the equal orifice area like 1/64,2/64......64/64. Here the travel is in...
  18. Dinu Stan

    API 6A 21st Ed. Gate Valves design allowables

    Hi HansonBoye, as i want to say that you can use API 6X method for body thickness calculation. since API 6X is also referred ASME Sec VIII Div 2 Appendix 4 : 2004 Edition with 2004 & 2005 addendum errata. it is nothing but principal stresses. This will be quite easy to find the results for...
  19. Dinu Stan

    Adjustable Chokes Indicating mechanism - API 6A

    Hi LittleInch, Thank you so much.. i have some Cameron's photograph attached here (got it from the google search). i have understood what you have mentioned and it is gonna help me to further improvement. for linear plate design i have done. but i need to know how to design the rotary type...
  20. Dinu Stan

    Stelliting inside the cages - globe control valves

    It is not required... but Sometimes due to the customer requirement, this cannot be avoided. instead of stelliting hard chrome coating is enough if you can convince the customer with technical clarification. Dinu... There are no secrets to success. It is the result of preparation, hard work...

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