boiling water pump L3D-20-80-H

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Product description:

Product: Boiling water pump



for hot water over 400 degree

for boiling water which needs 8 bar

Product specification:

flow rate:20m3/ hour, 480m3/day.

Pressure: 1bar - 8 bar

pump diameter: 296mm

Pump installed on the ground, outlet size:3"

with AC motor, motor power:5.5kW, 380V , 3 phase

but only need motor power:3.2kW(while Grundfos pump needs at least 7.5kW  power, our pump can save more than 50%  power,save USD3715 per year for electricity fee.


Pump inside: stainless steel and wearable nylon,it enables our solar pump to have 10 years sevice life and undertake 400 degree high temperature.

Motor : AC motor, 380V , three phase , 50Hz. The pump also can connect with solar power.


3 International patent



Warranty:2 years

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Q:my boiler froze?
USA You should most definitely call a licensed plumber / heating contractor. If the boiler froze and expanded at all, the seals between the boiler sections have expanded and will leak. Not might leak, but WILL leak. If you are not familiar with boiler and cast iron principles, please do not attempt to thaw it out and turn it on. Boilers are put together in cast iron sections. Gaskets are placed between sections. The sections are pressed-fit at the factory. Some have through bolts to hold them together. Then, the outside sheet metal skin is put on to make it look nice. I very strongly advise you to have a licensed heating contractor specializing in boilers do the work. For the most accurate advice, please contact the boiler manufacturer. Give them all the details - temperature, how long the boiler was frozen, etc.. They can help.
Q:Should a boiler be dark and matt or light and shiny?
Should be light shiny. A blackbody emits the most energy ata given temperature. Painting it black does not make it a perfect black body but it's better than white. cf. Stephan-Boltzmann law. The formula includes a coefficient expressing the degree to which a body is black. BTW 'black' in this case refers not only to visible light.
Q:i have a combi boiler that loosing pressure when i turn the heating on?
It seems like your boiler is losing pressure through the pressure valve. and the water is going out through the overflow pipe. These valves cannot be repaired, they have to be replaced. The presure valve is like a one way valve and when you charge thr boiler it holds the water pressure in the boiler, but over a time they wear and begin to let water escape and so that is how you loose pressure.
Q:(((( should I put weather proof strips on sliding windows in boiler room of house!?))))?
While he is working on it, to stay warm, sure unless there is going to be fumes for whatever reason. While it is running though, it needs fresh air. Depending on how old and such, even leaving one of those windows cracked could be a good idea.
Q:Will steam boilers used in Mills,Building,Hospitals and so on always around?
Steam boilers of that type have been around for hundreds of years and will be around for hundreds more. If your question is, is a specific boiler been around for that time period, no, boilers have a life span well less than that, perhaps 20 years. .
Q:what are the functions of the boiler in chemical plant?
In a chemical plant, boilers can be used as a heat source for the various processes, to drive steam turbines for pumps, compressors, blowers and generators. In some cases, the turbine's exhaust can be used as a heat source for some of the processes. in other cases the turbines exhaust to a steam condenser. The cooling water for the condenser would typically come from a cooling tower. A heat and electric energy balance for the plant would determine exactly how the steam usage would be set up. In some cases there would be no electric generation, in others no turbines driving pumps or other mechanical equipment other than the generators.
Q:How does the boiler demolition handle the relevant procedures?
The general use of life for more than a decade is not allowed to be transplanted, the procedure is: the boiler must be in the inspection period (or through the local inspection of qualified) - to the boiler where the Bureau of Geological Supervision Office of the application for the transfer - boiler
Q:What book do you recommend me about boiler`s burners and?
Boilers and Burners: Design and Theory (Mechanical Engineering Series) (Hardcover) # Publisher: Springer; 1 edition (December 17, 1999) # Language: English # ISBN-10: 0387987037 # ISBN-13: 978-0387987033
Q:Domestic hot water and radiant floor hot water on one boiler?
You can use one but keep in mind to get one that can hold enough hot water to support both your heating and hot water usage especially in the winter and I would have a way to shut the water off to the radiant heat for the summer. Have you ever ask yourself why didn't the previous owner do that. Remenber if you go to one if it goes out you loose both heat and hot water. Myself I think I would stick to 2 and put a bypass in to connect the 2 system together in case you loose one so you will have a emergency back up for either of the systems
Q:Went to melt chocolate, but it didn't breakdown smoothly. Its very gritty looking. Put it into a double boiler?

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