Dear Sirs
i would have an important question to do..Do centrifugal pumps with backlog impeller (see attached file) in compliance with API 610 11th ed.??
thx a lot and best regards
Dear Sirs,
i have to do several technical bid evaluation for gear, canned and reciprocating type pumps.
Could you give me an excel file for example of a technical bid comparison / evaluation for those pumps type?
Thanks
Dear sirs
i have to define with process section the api plans sketch...
i would have by you a confirmation referred to api plan 32.
The attached file describe api plan 32 as per api 682 and is define that "Items to the left of letter "a" shall be supplied by vendor; items to the right are the...
Dear Sirs
I would like to know how the percentage of caustic soda influence the choice of a pump... in particular, change anything if the percentage of caustic soda dissolved in water is 15% or 25%? in my opinion, yes it does...but i would like to have your opinion.
thanks a lot
Dear Sirs,
i have received a process data sheet for a canned motor pump..
in this document should i find the indication of containment/control system and the indication of cooling system for bearings??
i think yes, but i'm very doubtful...
thanks
Dear sirs
in a pump P&ID i have found this reads "this equipment shall be installed in a curbed area"..
could anyone explain me what is a curbed area? what protections and precautions should i take in account for the pumps?
best regards
Dear Sirs
for several gear pumps, on process data sheet is present the indication of an external downstream pressure switch...and for those pumps is not present the indication for internal relief set..
i think internal relief valve should be provided and its set pressure too, regardless...
Dear Sirs
in a P&ID for a Gear Pump, is present this note "magnetorestrictive Level Measurement"..
The instrumentation should be supplied by pump vendor or this is an instrumentation department problem??
Dear Sirs
i have received some process data sheet for gear pumps. i have notice that in three of ten data sheets is not expressed at what pressure is set internal relief valve...
in your opinion why is not defined set value for internal relief valve of this three pumps??
is this a value that...
Dear Sirs,
i have a general question to submitt. Observing a drawing for api plan 53 B i have noticed that there is a label that i have attacched.
what is its meaning?
Dear sirs,
i have a question for you all.
What happen if operating point of the pump is at the and of its curve? what are the functional problems?
best regards
Dear Sirs
i'm fresh mechanical engineer and i'm in trouble with an LPG pump..
i have to evaluate a tender of this pump, and i'd like to have some advice about:
1. is there a book of reference for assensing pump in accordance with API 610?
2.
LPG properties:
T= 83 °C
relative density= 0,557...
