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  • Users: SHARQ
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  1. SHARQ

    CO2 Compressor casing for UREA Plant

    We have received a qoutation of CO2 compressor with two options for casing A- Cast A216ACB with SS lining B- Forged Steel I have two questions 1- what should we chose if the two options are with same price and why? 2- regarding the first option, what is the suitable ss lining thickness. We...
  2. SHARQ

    NDT estimation for a boiler

    I met with a project manager today who is responsible to build 15 new boilers. He informed me that I have per each boiler 17,000 joints to conduct various NDT tests. I want to make a rough estimation (+/- 10%) of NDT requirements. I have already received rates per day per each test from 6 NDT...
  3. SHARQ

    What is Shot Peening all about

    Dears, good day I am looking for any information that can explain to me what is Shot Peening and what is used for. I appreciate if there are any web references and international standards you suggest for me. Regards SHARQ
  4. SHARQ

    Radius of risk for a pneumatic test for piping

    We are going to conduct a pneumatic test for several pipes that contains different sizes and lengths with different pressure tests.I would like to know what are the radius of risk are for each pipe test?. As we are going evacuate the site at night. Please inform me with the code or reference...
  5. SHARQ

    Column Packing fall down

    We have a column used for CO2 Stripping. it contains two packing layesr inside. Each packing is 9 mtr height. The packing is Rashig Rings IMTP # 40. The event happened are as follows 1- Plant was under shutdown 2- As per logic, CO2 unit circulation was kept running, Ejector steam isolated and...
  6. SHARQ

    Seawater Refredgerator scale problem

    We use a refrigerator H/E to cool seawater before we return it back to the sea. We did not ?open this refrigerator for more than 6 years. We opened the refrigerator and found ?very hard scale in the tubes. The tubes are made of monel. I have a question with three ?parts ?1-? The scale is hard...
  7. SHARQ

    Relief Valve is causing hammering

    Dear All, We have a 6" PSV (Set 55 KG/cm2, @ 220 Deg. C) Service is Ethylene glycol + water. The relief discharge is injected to a closing system 25 m away from relief point. We encountered a hammering when this PSV opens. An Idea was raised to elongate the relief line to about 60 m long...

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