XBD-L Vertical Single Stage Fire fighting Pump

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550 unit/month

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Product Description:

Product Introduction:
  XBD-L-type single-stage vertical suction-fire pumping systems for non-delivery of water and solid particles of similar physical and chemical properties of liquid water use, mainly for fire protection system pressurized water pipes, could also apply to industrial and Urban water supply and drainage, water pressure high-rise building, long-distance water, heating, bathrooms, boilers and well-being of the water cycle, pressurized water and air-conditioning cooling systems and other equipment supporting occasions.
The Division produced XBD-L-fire pumps its performance, technical requirements in line with the state promulgated the new GB6245-1998 "fire pump performance requirements and test methods," the requirements of the standard, products and equipment by the State Quality Supervision and fire detection centre tested, access Shanghai fire products recognized certificates.
Range of Application :
Water supply for hydrants and sprinkling ,pressure stabilization and other locations to handle clean liquids.
Type Designation :
XBD 3.2/5-65L-160A
XBD – Fire Pump code
3.2 –Designed pressure (1/10MPa)
5 – Designed flow(L/S)
65 – Diameter of pump outlet and inlet(mm)
L – For the vertical structure
160 –Nominal diameter of impeller(mm)
A – Primary cutting of the impeller
Technology Parameters:
Flow:5-100L/S;
Pressure:0.10-1.25Mpa;
Power:1.1-250KW;
Rotary speed:980-2900r/min;
Calibre:50-300mm;
Temperture range:≤80℃


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Q:Installation position of check valve for water pump
Check valves are generally installed at the pump outlet and exit control valve position. Self suction pump check valve installed in front of the pump, suction port better!Ordinary centrifugal pump check valve flange from the pump outlet flange is generally 300mm-500mm, its purpose is: when the pump is stopped, to prevent backflow of water to the pump body in the pipeline, resulting in the impeller reversal (generally positive rotation is more impeller impeller and shaft tight) that damage the impeller and pump head. Therefore, the height can not be too high, too high, there are too many water reflux, the consequences can be imagined.But there are self suction pumps, self suction pumps, check valves, flanges, pumps from the body, the outlet flange generally 1 meters to 1.5 meters.This is determined by the structure and working conditions of the self-priming pump. Self suction pump start, the pump is a gas at first, the main purpose is to exhaust the rotation of the impeller, will also play out some of the water, this time need to exhaust gas, water will need to return, if the valve is installed in the 300mm-500mm, then a lot of water can not return to the pump body (can also cause check valve is closed), effect of self suction pump work.Self suction pump check valve installed in the suction port of the pump better, this is not upstairs nine, brother said, must be installed in the export, this is wrong. Installed in the inlet of the purpose: it is time to stop the pump, there is generally no reversal of pump impeller, but to prevent the pipeline inside emptying (fluid inside the pipe can be in pipe) is beneficial to the self suction pump for a restart! Therefore, the self-priming pump check valve is best installed in the inlet pipe of the suction port.
Q:QDX is a submersible pump. What does "X" mean?
It should be small.There is no "downdraft" term;Do not say submersible pumps do not suck, what kind of pump is not on suction, or left and right suction
Q:Does the water pump and the circulating pump belong to the centrifugal pump?
As long as the flow and head to meet what pump can be, the general centrifugal pump applications are more.
Q:Why does the water pump leak?
Two reasons.One is that the gap between the bearings becomes larger. Damage the water seal. One is the aging of water seal.
Q:Water pump motor overload
Flow multiplied by the head is powerFlow can reach less than 180 parties, efficiency is reduced, the size of the impeller can be adjustedAnswer the question, add, depends on the structure of the pump, if the vacuum pump, as you imagine
Q:How to determine the pump installation elevation, why should we determine the pump installation elevation?
Water pump installation elevation should be in accordance with the water pump suction head, taking into account the water level of water intake and fall. The minimum water level at the water intake point must be less than the suction head of the water pump, otherwise the water intake will not be enough.
Q:After the pump has a control box, but also the distribution box?
What you are saying is not a concept. The function of the control box is to control one or more equipment and to protect the equipment. The function of the distribution box is to distribute the power. The control box is connected to the power box, and the power box may be responsible for several devices at the same time. The distribution box is just one of them.
Q:Domestic pump does not turn, but the motor is energized what is the problem?
This is the start capacitor is damaged, or start the coil break, it is recommended to check if the coil wire in the end can be connected, if left in the tank to replace the coil, if the capacitor is a replacement can (470V, 10uF).
Q:Why is the water pump usually used multi-stage pumps, while the circulating pump is usually a single-stage pump?
Mainly determined by the function of the water supply pump and the circulation pump.Replenishment pump is mainly to supplement the loss of the system, so the general flow is smaller, larger head, single pump water model in a small flow situation, many are not up to the required head, can only use multi-stage pumps.Circulating pumps are generally large flow, low lift, heavy efficiency, economic operation, and hydraulic model point of view, are single-stage pumps more appropriate, especially single stage double suction pump.
Q:What is the relationship between pump power, lift and flow?
N= QH/1000 gamma ETA gamma, severe liquid, cattle - ETA / m3; efficiency; N- kW; H- head, power meters;Q- volume flow per cubic meter / sec.

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