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  1. thesnipe

    Vehicle Lift Points

    Hi all, I have been asked to certify the lift points on an underground mine vehicle (lube truck). Unfortunately, the equipment was bought in 1981 and the company that manufactured it has been bought out. The manuals don't give any indication that the current lift points are a factory...
  2. thesnipe

    Secondary and Primary Centrifugal fan Calculation

    Drazen, I appreciate your insight and help. I should have been more clear in my explanation of the issue. I'm dealing with a PVC process exhaust (tank exhaust) system. I know where the fittings (as well as what they are)and I know all of the required lengths of ducting. I'm unsure, however...
  3. thesnipe

    Secondary and Primary Centrifugal fan Calculation

    Hi, Please see the attached drawing. My question seems complex in nature. I suspect a fan should have been replaced with a larger version upon modifications to the process system at my place of employment. ( the modifications are drawn in green on my drawing) The EXHAUST system is as...
  4. thesnipe

    organics in air stream ruining ducting

    Imok, Thanks for the swift reply and link! While HDPE, PVC and CPVC serve the trick in other areas of the mill, i've found that these ducting materials break down quickly when venting off of these tanks =( I appreciate the link. This information will be useful for both myself and my...
  5. thesnipe

    organics in air stream ruining ducting

    Hi all, I have a situation where a barren organic tank is vented and the contaminants in the airstream include kerosene, amine, and isodecanyl. I was thinking about using a fiberglass style of duct for this particular scenario as the tanks are made of fiberglass but was wondering if anyone...
  6. thesnipe

    Question

    In my opinion, the cost of insulating the duct vs. increasing the supply temperature year over year is a more cost effective and green solution. 150 ft. is not that long of a duct run so you could try seeing how large of an impact insulating it or turning up the output temperature has and...

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