Hi all.
My company is dealing with water treatment and supply. We are trying to introduce above ground steel tanks for potable water, instead of most common concrete tanks that are installed below ground.
The problem at hand is do we need to include thermal insullation? Climate is moderate...
hi all!
I need to buy a small centrifugal pump for agressive liquid - ferric sulphate 40% solution, ph=1-2. q= 1-2m3/h, h=20m approximately.
manufacturer (Grundfos) offered a nice pump, 2850 rpm, casing & impeller in SS, shaft seal denoted as HQQV - silicon carbide single seal.
but, the...
Hi,
I am designing a pumping system for purpose of sterilization of small water systems.
System will basically contain a 100l tank - boiler in which water is heated to 90 C, and a pump to run heated water through the pipes.
Piping is 1'' dia, so I guess that the 1 l/s flow is ok...
Do anybody here has any experience with small hydro projects?
In particular, I am interested to find reference data for weight and cost of electromechanical equipment for mini hydro projects.
Thanks.
Hi all!
can anyone tell me a rough estimation of weight and/or cost for mini hydro power generating unit (turbine + generator) for two schemes:
1) Pelton type unit with 2500KW 50Hz generator, speed 750rpm, pelton runner dia. 0.9m?
2) francis type, with 1500 KW 50Hz generator @ 1500rpm, and...
Hi!
I am a mechanical engineer involved in design (and consequently in writing of procurement specifications for different centrifugal pump types) for a huge water treatment plant. During my work, I would like to reffer to a standard recognised in pump engineering (prefferably north-american)...
What is the diference between pressure transmitters and transducers? (for example, I would like to protect a centrifugal pump from low suction pressure by providing a pressure sensor on its supply line, but I don't know much about suitable sensor types and the ways they handle electrical...
