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Recent content by farrellnoid

  1. farrellnoid

    pressure vessel thickness calculation

    Probably the nearest supplier plate thickness available after calculation.
  2. farrellnoid

    procedure for Cutting, welding and purging of hydrocarbon pipe

    I would suggest you to scope out your pipeline first. a simple reference case using ASME standards is this: https://www.eng-tips.com/viewthread.cfm?qid=264055
  3. farrellnoid

    Choosing Single or Double-Acting Valve Actuators

    Well, what if the power fails locally...?
  4. farrellnoid

    Choosing Single or Double-Acting Valve Actuators

    It's fail closed. Thanks!
  5. farrellnoid

    Choosing Single or Double-Acting Valve Actuators

    Hi LittleInch and RVAmeche, thanks for your help. I am new here so I'm still learning the ropes so apologies for any inconvenience. If I'm using the valve as an XV/on-off valve with Total Shut Off in case of trips, does this mean I should use spring return actuators instead of double acting...
  6. farrellnoid

    Choosing Single or Double-Acting Valve Actuators

    Greetings, fellow engineers. I'd like to know which considerations do I have to take when choosing between single or double-acting valve actuators. Can anyone point me to a certain standard/code which specifies such decision? The valve itself is a trunnion-mounted ball valve, designed for...
  7. farrellnoid

    Reciprocating Compressor

    I think it you need to gather more information. A relevant place to look at is probably API 11P or API 618 (it depends on the prime mover).
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