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  1. sensiblesteve

    Rectangular Pressure vessel calculations vs. documented testing?

    prex, Thank you, the ASME procedure that you referred to conserning P=0.4*H, where could I find this so I can review it with the customer for acceptance? The 3.76 psig. would be perfect if this can be referenced or considered standard protocol in a documented form. I need to have something to...
  2. sensiblesteve

    Rectangular Pressure vessel calculations vs. documented testing?

    Yes, a 1.5 factor is what I felt would be good. Maybe I should clarify, This is not a pressure vessel per say. The customer wants to put a 3.5 psig. vent on this unit as a replacement for the "open 180° return" which we installed [vapour pressure in adverse conditions], the oder is the issue...
  3. sensiblesteve

    Rectangular Pressure vessel calculations vs. documented testing?

    I'm currently trying to validate criteria that had been given, without approval, to a customer by a salesman who is no longer in our employ. In short, I have a rectangular tank (cube), 2" radius corners all around. Qualifing testing was at 65 kPa (9.4 psig) & 200kPa (29 psig) for 10 min...
  4. sensiblesteve

    STATIC BUILDUP/GROUNDING PROBLEM

    Yes, but I don't think the above set up will do this. Let me explain, what he wants to do is simply use an isolsted plate in contact with the flowing product that has a conductive strap attached from one of the tote legs to the plate. He is claiming that by equalizing the product with the tote...
  5. sensiblesteve

    STATIC BUILDUP/GROUNDING PROBLEM

    I am in a debate with a co-worker about the static bulid-up / grounding of a metalic portable tote. The product is extremly flammable, and has a very low MIE (min. ignition energy). He feels that simply using an isolated plate in contact with the flowing product, in the following configuration...
  6. sensiblesteve

    ELASTIC RESILIENCE

    Cory, Thank you so very much!!! This has been an awakening for me to be more careful and review rather than rush. Once again, THANKS! Steve
  7. sensiblesteve

    ELASTIC RESILIENCE

    Thank you, I should learn to completely read what is presented to me, not just what is highlited. The datasheet I was reading from was "Crucible Steel 304L Chromium-Nickel Steel". I just smacked myself in the side of the head, I had it coming. Would you know, off hand, a material designation...
  8. sensiblesteve

    ELASTIC RESILIENCE

    I'm caught up on a material for a latching configuration. I've been hours on Matweb and the best I can come up with is a 304/L - 60% elongation @ yeild - Youngs @ 28000 ksi. Am I on the right track. I need a 1/4" deflection with as little as possible deformation. 1 cycle.[the configuration is...
  9. sensiblesteve

    SILICON to 6061-T6 ALUM.

    Thank you, both for your replies. The closure of this container is such that there is not enough material present to use a mechanical method. A change in the design would mean I would have to retest the unit, both destructive and non-destructive testing. This is both expensive and time...
  10. sensiblesteve

    SILICON to 6061-T6 ALUM.

    To Whom it may concern, I have designed a low level nuclear waste transportation vessel which has been tested and approved by all regulatory bodies. This container incorporates a 50 duro silicon o-ring gasket which must be reinstalled each time the unit is opened and closed. In trying to...
  11. sensiblesteve

    torque

    I have 2" npt plug in a half coupling. Does anyone have a reccommened torque or a reference to where I can find one. Max. internal pressure is 6 psig.
  12. sensiblesteve

    Propylene Glycol

    Thank you very much! I'm reviewing the tables right now and see what you mean, now that I have the info.[re: mixtures] This is just what I needed. Thank's
  13. sensiblesteve

    Propylene Glycol

    I am working on a thermal project [experimental] in which 100% [PG] will be used as my transfer fluid and I am having trouble sourcing valid thermal properties at various temps. The application of this unit will cover a very broad temp. range [233K to 373K]. I was hoping someone could help to...

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