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  1. murr52

    Platform shutdowns

    Any one have a rough estimate of how many times a platform lets say in atleast 3000 ft of water would need to shut down each year for maintence and weather combined or even just maintence? Trying to get an idea how many times they would operate some equipment that would only be used during...
  2. murr52

    Class 4 ROV torque tools

    I can't seem to find how accurately the Class 4 torques tools for manual valves can be controlled. Most of the companies who manufacture them don't show how precisely the actual output torque can be regulated. Any one know if its typical for a ROV operator to accidentally or unknowingly spike...
  3. murr52

    ROV Torque Tooling

    I am designing a torque limiter for subsea equipment so the ROV's don't inadvertantly overtorque a valve. I can't seem to find how accurately the Class 4 torques tools can be controlled. Most of the companies who manufacture them don't show how precisely the actual output torque can be...
  4. murr52

    316 SS in high chloride water

    What about possible getting a titanium nitride coating on the metal? Will titanium nitride hold up to these chloride levels? Thanks, M.
  5. murr52

    316 SS in high chloride water

    2205, Should last for these pumps entire lifetime and most likely more, but the cost of upgrading is still being considered. We don't know yet how much upgrading to 2205 would be but definately asking for a option to have the pump made of material superior to 316SS, depends what pump...
  6. murr52

    316 SS in high chloride water

    Ohh just realized, that the link says 317 can handle 5000 ppm, hmmmm well, 317 SS for this service? opinions Thanks, M.
  7. murr52

    316 SS in high chloride water

    http://www.alleghenyludlum.com/ludlum/documents/316_317.pdf I just ran into this which mentions on page 3 that 316/317 is capable of handling up 5000 ppm chloride which, good guess Edstainless is the maximum expected but not operating. The customer is really leaning towards the 316 because of...
  8. murr52

    316 SS in high chloride water

    The system is cooling water and will unless the plant is shut down or one pump is taken down for maintance operate 24/7. Most of the water is from well water that comes out with 1200 ppm chloride but the pump is expected to see 3600 ppm chlorides. The water analysis I have available does not...
  9. murr52

    316 SS in high chloride water

    Ok, my problem is a particular pump needs to be designed for water with chloride levels upwards of 3600 ppm and a PH of around 7.5. The pump manufacture wants to use 316 SS for the wetted parts and claims verbally that this will not corrode(atleast not too much for the design life). I am...

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