Hi Guys,
In the very early stages of looking at a VSD for a PD gear pump and my knowledge is purely theoretical (and limited). Basically what is the practical frequency range I can operate a electric motor at to get my flowrates.
Normal supply is 415V 50Hz. Motor is 4 pole. so approx 1500RPM...
So I have just jacked my tank at great expense to replace annular plates as it was condemned by my API inspector due to insufficient thickness in the critical zone (tomb stone repairs are not permited due to elevated temperature service).
The concern in this case in the critical zone (near...
Hi All,
Does anyone have expierence with CP on elevated temperature stroage tanks (or on any tank). I am familiar with design for regular temp tanks but was not sure if there is something about elevated temperature that make it not work or some trick I need to know. I know for a regular storage...
Hi Everyone,
I live in South Australia and due to recent drought water is an extremely rare and far to valuable a resource to waste on a hydro test if not 100% necessary. I plan to jack a tank and replace annular plates. If say I use qualified welders, a good welding inspector, perform 100% mag...
Hi All,
I have a 24m diameter tank that requires replacement of all annular plates. First question do I jack the entire tank or replace the plates 1 by 1. I am thinking that jacking the tank will allow a better job of replacing the plates and that it will ultimatly be quicker as I can have...
