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  1. PTT

    Axial Thrust

    Hi, Anybody knows how to calculate or approximate the axial thrust acting on a centrifugal pump open impeller? Regards
  2. PTT

    Gear Pump Stuffing Box Pressure

    Dear all, We use a gear pump on a polymer transfer line. The suction pressure on this pumps is 8 PSIg and the discharge pressure is 110 PSIg. We use a John Crane double mechanical seal with a barrier fluid. The pressure of the barrier fluid is 80 PSIg. We experienced a failure of this seal and...
  3. PTT

    Connection details

    Hi there, I'm curious about the connection detail. If I turned the minor axis of wide flange beam in vertical direction and conect this beam to the web of a same size column,is it normally do?. It means I have to cope both flanges of beam out, right? So I have only thin web to transmit the...

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