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  • Users: mattski72
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  1. mattski72

    DB-9 cable length limit

    What is it? I need a cable run of around 60 to 80 ft. Will DB-9 do the job or should I convert to something else and adapt at the components? Thanks in advance.
  2. mattski72

    Low Boiler Level

    I have a 400 HP scotch marine, two pass, fire tube boiler. I am writing the casualty procedure for a low out of site boiler level (below the upper most tubes and the site glass) . If the boiler is not operating (burner not running) should it be treated as the same as when the boiler was...
  3. mattski72

    Washing Area dba to high

    Merry Holidays All!!! I have a washroom of side loading industrial washer/extractors, nine in all. They are all hydraulically driven and at extract speeds run at 650 rpm. I do not have a frequency profile of the operation nor do I have the means to get one. I need to reduce ambient noise...
  4. mattski72

    High Turn Down Burner

    I currnetly have a Gordon-Piatt F16.2-GO burner (Duel Fuel:NG & No.2 FO) on my 400 HP Superior Boiler. With GP going out of business coupled with the incentives of a more efficient linkageless burner, I am now looking hard, very hard for a replacement burner. But I am looking for something...
  5. mattski72

    Bolt classes and grades

    Is there a resource, web based preferably, that describes the different classes and grades of bolts and example applications?
  6. mattski72

    Bolt class and grade

    Is there a resource, web based preferably, that describes the different classes and grades of bolts and example applications?
  7. mattski72

    PVC, CPVC, PVCI, MPVC?

    I am replacing a (15%)bleach fill line to a bulk storage tank. A run of the piping will be outside exposed to the elements while most of it will be covered. I know PVC is a good choice, but can I mix PVCI with PVC. I know that CPVC has better resistive properties to caustic fluids but do I...

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