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  1. panapat

    28% Chrome Impeller Repair

    Before you give up on welding 28% Hi-chrome iron, contact a company called Cronatron Welding Systems. The card I have is for the rep in Louisiana but the corporate office is at 6510 Northpark Blvd., Charlotte, NC 28216-2367. Tel. No. 704-598-1225. The rep in our area is a welder and we've had...
  2. panapat

    HP draw of packing vs mechanical seals

    How do you calculate the horsepower draw of packing versus mechanical seals?
  3. panapat

    Coupling bore/keyway size

    Is there a rule-of-thumb for the size that a coupling is bored and keyway is broached over the OD of the shaft?
  4. panapat

    Stuffing Box Pressure - Quick Calc

    Milkboy, The equation in the other email is good. But if your impeller has pumpout vanes on the backside or the pump has an expeller behind the impeller, the stuffing box pressure will be greatly reduced. This will vary by manufacturer. Panapat

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