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  1. peter vaf

    HOT EXPANSION -SEAMLESS PIPE-API 5L-HIC/SSC

    Dear SJones Thank you for your reply 1. No - the API composite listing will be against API Spec 5L only; it will not single out Annex H(J)====>It appears that the API Auditor will be releasing the API MONOGRAM based on the mill capabilities outlined in the API 5L Specification. Please refer...
  2. peter vaf

    HOT EXPANSION -SEAMLESS PIPE-API 5L-HIC/SSC

    Dear All, I appreciate the responses and insights from everyone. The primary concern at hand revolves around the absence of guidance in API 5L Standard ,regarding the approved process for sour service in the HOT EXPANSION production method. While companies like TOTAL have insisted on customer...
  3. peter vaf

    HOT EXPANSION -SEAMLESS PIPE-API 5L-HIC/SSC

    Dear expert, Is there any evidence to suggest that the application of Hot Expansion seamless pipe(API 5L) is not suitable for HIC/SSC material specifications? However, I found some technical notes in this regard below : Disadvantages of thermal expansion seamless steel pipe: 1. After thermal...
  4. peter vaf

    Non Slam Check Valve

    Dear Danlap, Thank you so much for your explanation. I have grasped all the points I needed from your perspective. Best regards, Peter
  5. peter vaf

    Non Slam Check Valve

    "Dear Check Valve Expert, I have a question about the 'Non-Slam Check Valve.' What are the differences between the two types of check valves? Additionally, is it practical to manufacture a WAFER Type Non-Slam Check Valve with a size of 36", or is it only possible to manufacture the...
  6. peter vaf

    Dosing Pump

    We have recently received the datasheet as RFQ from the client, and it appears that they have prepared it based on specifications from a different pump manufacturer. However, they are adamant about purchasing from a specific factory. Now, the client wants to ensure that our proposal aligns with...
  7. peter vaf

    Dosing Pump

    Dear Friends and Experts, It is encouraging to have colleagues and experts like you. The manufacturer's answer with a more suitable quality is attached to the attachment https://files.engineering.com/getfile.aspx?folder=56b80361-0195-45f6-9783-0663289bddb8&file=PUMP_REPLY.pdf
  8. peter vaf

    Dosing Pump

    Dear All friend It is evident that the manufacturer has submitted a proposal that deviates from the specifications outlined in the customer's datasheet. This marks the manufacturer's final response on this matter. Appreciation is extended for the prior responses in this context, and we invite...
  9. peter vaf

    Dosing Pump

    Dear TugboatEng Please see attachments Regards Peterhttps://files.engineering.com/getfile.aspx?folder=bd1e567f-d310-4d48-ad9c-aa9c93a21a3a&file=PUMP.rar
  10. peter vaf

    Dosing Pump

    Dear All, I would like to share a sample datasheet that has been presented. After reviewing it, I would greatly appreciate your input and thoughts on this proposal. Thank you for your collaboration. Best regards, Peter
  11. peter vaf

    Dosing Pump

    Dear TugboatEng, Thank you for your prompt response. My question pertains to whether it is common for manufacturers to offer pump models with varying design pressures or capacities based on their own designs, and whether these variations perform effectively in practical applications. Thank...
  12. peter vaf

    Dosing Pump

    Dear Engineer, Thank you for your prompt response. I am currently in the process of soliciting technical proposals for Milton Ray dosing pumps. Upon reviewing the provided datasheets and Milton Ray’s proposal, I have identified certain discrepancies, particularly in areas such as Capacity...
  13. peter vaf

    Dosing Pump

    Hi Pump Experts I have a question about Dosing Pump selection Regards Peter
  14. peter vaf

    Clause 304.1.2 (a) of ASME B 31.3, (with t<D/6 )

    Dear friend As per Clause 304.1.2 (a) of ASME B 31.3, the formula is acceptable if (with t<D/6 ) Questions : 1)"t" is Calculated Design Thickness (Excluded 12.5% / C.A ) or nominal? 2)If nominal Thickness (SELECTED THICKNESS) Has been selected so that t>D/6, What will be the B31.3 rule? real...
  15. peter vaf

    IMPACT TEST REQUIREMENT (ENERGY &amp; TEMP) ACCORDING TO B31.8

    Dear akpipelineengr, Thank you for your reply. Another issue is Max Temp(343 C)! As you see in the Attachment,the Max Temp.(343 c )is out of the B31.8 Acceptance range https://files.engineering.com/getfile.aspx?folder=e4867b9c-29c4-4af0-94cd-d146584ffcff&file=A333.jpg
  16. peter vaf

    IMPACT TEST REQUIREMENT (ENERGY &amp; TEMP) ACCORDING TO B31.8

    Dear Friends, I am working on designing Gas pipeline (Flare line) with @-46 Min Design Temp.. I can not find any Impact Test requirement/Table((ENERGY & TEMP), like B31.3 or ASME Requirement. My suggestion to the client is to changing Designing code FROM B31.8 to B31.3
  17. peter vaf

    What is boss in flange?

    Dear LittleInch Thank you for your reply What is the difference between R.F and Boss as per attached DWG?
  18. peter vaf

    What is boss in flange?

    Hi Friends Does anybody know about the "boss" in flanges (B16.5) ?
  19. peter vaf

    orifice flange-36&quot; 900#

    Dear LittleInch Thank you for your reply Just need ,Jack screw hole dimension and location!
  20. peter vaf

    orifice flange-36&quot; 900#

    Dear all Is there any specification / DWG or guide for orifice flange-36" 900# ?
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