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  • Users: samsarani
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  1. samsarani

    Valve

    Hi all I am involve of a project ( gas compressor station). according to spec. of project contractor should supply all valve with A350 LF2 ( though it is over spec because we don't have cold services only site condition is -12 c in winter and fluid temperature is 40 c). as request of client we...
  2. samsarani

    Cold flare

    Hi In design of gas compressor stations we consider cold stack (approximately 20 meter hight) for emergency case. But in API 521 Standard insisted we design cold stack with hot flare requirement which it leads us to height of more than 50 meter length with more than 80000 square meter land...
  3. samsarani

    Valve cost

    Dear friends One of big issues for me in oil and gas projects is estimating price of valves especially ball valves ( manual , MOV,ESDV,...). I know the best method is getting budgetary price from manufactures, but as you know some manufactures are careless in giving precise price in budgetary...
  4. samsarani

    Cracking in H2S Environments

    We have applied on forging material (A 105N) the SSC test according to NACE TM177. After the termination time (720 hour) we have noticed the sample is broken (we completely observed the condition of test ex, sampling mechanic, applied force, test media,..) . Forge master has quite confidence...
  5. samsarani

    anti rust painting

    Dears please send me some information about following question how does anti rust paint apply on rusted iron? is metal cleaned at first or could apply anti rust painting on rusted metal? please consider i can't see any laminated or pitting area on base metal( we buy new produced metal two week...
  6. samsarani

    drift in ETABS software

    Dear All Please guide me about in checking drift in etabs software for 6 storey building which force is considered (seismic force or combined force)? thanks
  7. samsarani

    Actuator repacement

    Dear Sir and specialists HI I ask question about changing the actuator of ON/OFF valves. We have many on/off valve in our gas treatment plant and some actuators were damaged and need to use spare parts for some of them and some item we will replace actuator totally. Also we have drawing of...
  8. samsarani

    stelliting ball from ball valve

    Dear Friends We have one order from my client to supply ON/OFF valve from size 4 up to 24 inch. Application is highly sour (H2S and CO2 and water and also a little CL). Material that costumer is ordered is A186 F6a for ball and also request for fully stellited of ball. I asked with some ball...
  9. samsarani

    Stellite on ball

    Dear Friends We have one order from my client to supply ON/OFF valve from size 4 up to 24 inch. Application is highly sour (H2S and CO2 and water and also a little CL). Material that costumer is ordered is A186 F6a for ball and also request for fully stellited of ball. I asked with some ball...

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