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If the picture shows the correct heights, then there won't be any syphoning back into the container. Looking at the inlet port It shows an above centre line inlet, therefore it is most likely a self priming unit. As the Inlet pipe will be full to the level of water in the tank, there will not be...

1)There wouldn't be a lot of point having a pump, if the pressures were the same or the inlet was higher than the discharge. 2)Glycerin filled gauges are ideal for filtering out the pulses. 3) Acceleration Head is not a term I have heard, but symptoms come under many titles. Are you referring to...

Some confusing answers, I hope I can clarify. If you have a piston pump for example, the pressure capability will be based on the build of the unit and the size of the motor driving it. so it is perfectly acceptable to run this pump at 5 bar,should however the pipe block, you have a lot of...

Self priming pumps generally all use the same principle of reducing the pressure on the suction side, so atmospheric pressure pushes the product into the pump. Centrif's generally have a trap in the volute as described above, which holds a small amount of liquid, so upon starting this liquid is...

Some General Points Centrif's give velocity to a liquid and are therefore affected more by variations in Back Pressure than PD Pumps, Hence 2 Centrifs in parallel will have a much reduced performance. PD Pumps as the name implies move a set volume of liquid in relation to their rpm/stroke as...

My rule of thumb is to keep the velocity between 0.8 and 1.2 metres per second, I calculate yours at 0.82 m/s so should be ok. Of course the S.G. will affect this but without knowing exactly you may have to 'suck it and see' :) Good luck

I use Blacoh's website, the formula is dowloadable from http://www.blacoh.com/docs/L-900.XLS Regards

Also buying a cheap inverter and ramping up your Hz is an option

Try http://www.shurflo.com or http://www.flojet.com

If the barrier is fabric and doesn't create a friction loss and the levels are the same then you wont need a pump it'll go on it's own

A bit vague in your requirements but try shurflo or flojet

PVDF Diaphragm Pump with PTFE Elastomers would probably be fine

Depends on the concentration of H2So4 and the temperature

You have to be careful, particularly on the Suction side as you will de-aerate your product if the suction is too high pulling all the gas 1st then the liquid. I would suggest as an option to the above types of Pump, as Air Operated Diaphragm Pump http://www.pump-shop.co.uk/hygienic.htm Regards

You dont mention if this O ring is for a static or dynamic seal.. In static seals the superglued ones can be ok, but I try to avoid them in moving applications. These people have a 30" O ring listed http://www.applerubber.com/include/pdf/oringsiz.pdf

A couple of points 1) You didn't mention vendor in your original post. 2) Vendor? ie sum one who sells.Perhaps you meant customer?

If your having mag drive, it is basically an impeller attached to a metal block inside a sealed cup, the magnetic drive is a larger cup, with attached magnets,surrounding the inner cup therefore giving a barrier protection to your product. As the impeller is not physically attached to the motor...

www.ksb.com

Spot the typing error http://www.diaphragmpumps.co.uk

Or http://www.diaphragmpumps.co.uk plug plug :)