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  1. RodeteG

    High Suction Lift Pumps for sampling

    Screw pumps have also a good lift capacity and low NPSHr however your flow is very low so that reduces the options (although some manufacturers have small screw pumps for dosing applications) Small laboratory/pharma hose pumps are also a possibility. And some small magnetic coupling gear...
  2. RodeteG

    Bi-directional pump or valve configuration?

    Very nice and probaly cheap solution. I didn’t know or ever come across those 4-way double L valves, so thanks for the input too.
  3. RodeteG

    Bi-directional pump or valve configuration?

    Will a flexible impeller pump installed on top of tank make sense? Those are self-priming and reversible. I am not familiar with them but I think they tend to be cheap (how much I don't know)
  4. RodeteG

    Metering Pump

    It means that the pump maximum capacity should be 10% higher than your maximum capacity required (just as bimr said), so in fact you are oversizing the pump selection. If the reason behind this is service life or packing worn I don't know. I will be more inclined to think that is because of...
  5. RodeteG

    API 675 double diaghragm pump maximum capacity/ discharge pressure

    Those brands, as far as I know, are on the top of the European API675 Dosing pumps market; I will only add Bran+Luebbe as another brand equivalent. Having said this, that design point: 10 m3/h @ 50 bar is really on the top of any of those manufacturers; you will need to contact them in order...

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