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  1. Arulkumar P

    Plate materiel Through thickness test area reduction percentage .

    One of my client specification is asking "CS & LTCS ( Boiler Quality) plate above 50 mm is required through thickness test as per SA 770 shall be conducted and minimum reduction in area of 35% shall be ensured." Clause 5 of acceptable standard SA 770 in ASME Sec IIA part A code shows "test...
  2. Arulkumar P

    How to find S[sub]C[/sub][sub]avg[/

    How to find SCavg, SRavg and SRmin of Appendix 10 of ASME IID.
  3. Arulkumar P

    VFD motor frame size

    We have the requirement of Sq.induction motor with S1 duty, F class insulation with temperature limted to B class, T3 and the same 50 % of motor start with DOL and 50% start with VFD. Compare to DOL motor frame size, VFD motor frame size is one size higher than DOL motor frame size of same...
  4. Arulkumar P

    How to select Vibration range

    I have to measure bearing block vibration by using loop powered transmitter. Rotating speed of the bearing block is around 300 to 400 rpm of continious opration. I choose meritx vibration transmitter model no: ST 5484E. In this model they offer scale range of peak(pk) and rms value. Kindly...
  5. Arulkumar P

    Could you tell anyone which duty mo

    Could you tell anyone which duty motor is suitable for VFD application. Whether S1 or S9 duty. Motor to drive the load of axial flow fan in aircooler application in oil and gas industry.

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