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:How does a boiler work at a Lumber Mill?
My father ran a boiler. It makes steam. It's uses are for heat and power. If the lumber mill has a steam powered saw or something like that. I don't know how old it is and may have devices that run under steam. Also the hot water that results when the steam cools can heat the building/s.
Q:potterton puma 80 boiler?
+ I can't answer your question and the guy above seems to have the answer, but I recently saw something on your boiler and they indicated that you had like the very very best one, and the longest lasting one. I bet it cost a bundle. Love to find out how i
Q:What is a boiler?
Boiler is an energy conversion device, the input energy to the boiler fuel in the chemical energy, power, boiler output with a certain heat of steam, high temperature water or organic heat carrier.
Q:will outdoor boilers burn saw dust?
Q:i have an old house with radiators and no boiler. Replace boiler or full forced air installation, ducts etc.?
Couple of things to consider....... If the house is old not well insulated, the radiators will be able to provide plenty of heat. If the pipes are in good condition a new high efficiency boiler could do the trick. I'm thinking insulation is the key. If it is marginal you do not have the means to update. I would stick to the radiators or maybe go with hot water baseboard if the plumbing is bad. Have forced hot air w/ AC as an add on not all that happy since the house is block built the insulation is what it is. Have to use ceramic heaters when it gets really windy cold. For Heat +AC might see about a high velocity setup which does not require the big old fashioned ducts. You might consider keeping the radiators if the plumbing is good going w/ a forced air system with or without AC. which can be added later, You then have the option of going both ways. Nothing as toasty as radiant heat , but forced air does come on quick the AC capability is nice. Your utility provider or a good heating contractor will be able to evaluate your house recommend the most efficient system. Best regards
Q:Kerosene boiler, no hot water pressure?
First.. Where are you getting low Hot water psi? Shower, Kitchen sink, And you say no hot water psi is it low psi or no psi at all? Your boiler has a hot water coil inside, If you have hard water, lime, the coil needs to be flushed with an acid. TO BE DONE BY A PROFESSIONAL!! Coil cleaning is using a strong acid and water mix, and you must be trained to use it. Too much acid and you burn Thu the coil, also the fumes are toxic!! Your boiler is designed to use #2 fuel oil. If your using kerosene, your wasting money. (perhaps you made a mistake and call it kerosene) Second... Oil heat requires a yearly tune up. Changing the filter, nozzle, pump screen, and a brushing of the flues. Failure to do so will drop the efficiency of your boiler and also cause damage. For the cost of a tune up, it will pay for itself in the long run. Your oil company can help you if they have a full service dept. Don't try to fix it yourself if you don't know what your doing. Heating tech's have to go to school and be licensed to work on heating equip. Be sure the person who is working on it is licensed!! You can ask to see his/her lic. first as they must carry there lic. with them while performing there work.
Q:What is a 10t / h boiler, an electric boiler or a fuel boiler?
The steam pressure is different; that is, the same amount of steam, but the rated pressure, the temperature of different steam boiler thermal power is different, but the difference is not great.
Q:how to find the heat supply rate to water/steam in the boiler?
Boilers are rated in horsepower. The pressure increase is about 1 lb for each 2 degrees rise in temperature over 212 degrees. the water input pressure must be above the boiler operating pressure,so a high pressure pump is used to push the water in. The more steam you take out the more water you must put back. If your recovery rate isn't high enough you run out of steam and pressure. I hope this answers your question.
Q:why does the light on my boiler keep indicating that there is not enough water being fed into the tube.?
something is blocking the flow of water, and needs to be corrected. This is to prevent the boiler from boiling dry and damaging the unit. You will need to open some fittings to see where the water stops.
Q:natrual gas boiler keeps turn off while baseboards are still cold?
If your system has and expansion tank it may have become water logged and hydrostaticly full. When the burner trys to heat the water in the boiler, the water has no place to expand, and.the pressure builds up and the pressure switch on the boiler turns off the boiler prematurely as if it was up to heat. Your relief valve is probably set for 30 lbs but has been building and relieving at each try for heat due to the hydrostatic pressure in your system, If your Expansion tank has a bladder, charge the bladder with a bit of air. If it is a tank only then Isolate the tank from the system with a hand valve, drain the tank to empty while opening a vent on it to let air into the tank.. Close of the drain and the vent and re-open the hand valve to the system. The system will flood water back into the tank but the air cushion will be captured in the top of the tank. Now when firing it will have a space of air to expand to. Hope this helps.

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