Search results for query: *

This pump was new,overloading on commissioning,I think chances are that the surface finish would be " factory installed",further the areas machined were non wetted areas, surface to surface contact. Is it the as found impeller clearances you found to be within limits? It is a little baffling...

Hi Rota1, JJPellin and members all! I have been following this thread with keen interest, we had a similiar problem some years ago.A new Sundyne LMV 311 was installed in our MTBE plant with severe overloading problems, designed head could not be achieved.Checks carried out found the impeller...

Thanks guys, The information was extremely useful in justifing the installation of pressure gauges on the barrier tanks of seals piped up with a combination of plans 41 & 52 without vent of tank to flare. As of now there is no method of telling what the pressure is inside the tank on ; for...

Hi guys! Can anyone explain to me what is pressure reversal in dual mechanical seals and what are the effects with specific reference to an unpressurised buffer service? I have been searching the net for info, but there is hardly anything. Regards Behar

Hi! we have a fractionator bottoms between bearing pump whose service temperature 750 deg F, anti friction bearings have lube mist lubrication,the shaft is of 416SS material, we noticed on the shaft at the area under the bearing seat of both the IB & OB appears to have some kind of "attack"...

In a two stage pump; if the head required can be adequately supplied by one impeller, which impeller should be removed?

What is the maximum amount one can trim off an impeller to give a particular head?