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  1. GeoffKZ

    Bolt Material based on Bolt head markings.

    Thank you very much for your reply. I was thinking the same, phone call to bolt manufacturer and maybe an engineer almost ready to retire will have the answer. Thank you again.
  2. GeoffKZ

    Bolt Material based on Bolt head markings.

    I have a pump motor connected to the base using 3/4" diameter bolts which have markings on the bolt head MULTI-C A-8 I have determined that Multi-c stands for the word "MULTI" followed by capital "C" to be applied to all ASME bolts manufactured to Nuclear Standards Associates or Cardinal...
  3. GeoffKZ

    Electric motor- pump heat gain

    Thank you very much to both of you for replying to my question. Looks like I have to only consider piping temperature (120F) transferring heat to the room which must stay below 115F. This obviously in addition to motor load and load due to cooling system and all the usual elements like walls...
  4. GeoffKZ

    Electric motor- pump heat gain

    ASHRAE Classifies heat gain into (3) as follows: A = Motor in Driven Equip in. Btu/hr Heat gain = (BHP x 2545)/Eff B = Motor out, Driven Equip in. Btu/hr Heat Gain = BHP x 2545 C = Motor in, Driven Equip out. Btu/hr Heat Gain = ((1-EFF)/Eff)) x BHP x 2545 My situation is as follows: I have a...

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