bernoulli313
Mechanical
- May 14, 2024
- 5
Hello all!
The engineering office I work for has been tasked with sizing a small vacuum distribution network for a pharma facility. None of us have experience with vacuum systems, and we are therefore working with a vacuum pump and piping supplier.
We can safely assume these guys know their stuff, but we want to do our due diligence anyway.
One thing we're trying to wrap our head around is the conductance of the pipe, and its impact on the pump selection. The supplier has sent us some flow/pipe lenght curves for different pipe diameters (see attached). My question is: should the duty point of the pump fall on the "with conductance" line (which varies with the pipe diameter), or can it fall between the "with conductance" and "without conductance", and, if not, why not? What information can we get from the "without conductance" curve?
This is probably an easy question for folks working with vacuum on a daily basis but for us, it's a whole different science.
Many thanks!
The engineering office I work for has been tasked with sizing a small vacuum distribution network for a pharma facility. None of us have experience with vacuum systems, and we are therefore working with a vacuum pump and piping supplier.
We can safely assume these guys know their stuff, but we want to do our due diligence anyway.
One thing we're trying to wrap our head around is the conductance of the pipe, and its impact on the pump selection. The supplier has sent us some flow/pipe lenght curves for different pipe diameters (see attached). My question is: should the duty point of the pump fall on the "with conductance" line (which varies with the pipe diameter), or can it fall between the "with conductance" and "without conductance", and, if not, why not? What information can we get from the "without conductance" curve?
This is probably an easy question for folks working with vacuum on a daily basis but for us, it's a whole different science.
Many thanks!