• XBD-DW series horizontal multi-stage single-suction fire pump System 1
XBD-DW series horizontal multi-stage single-suction fire pump

XBD-DW series horizontal multi-stage single-suction fire pump

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Product overview

XBD series compared with previous fire pump, its with the pump outlet pressure differential between the reduced flow specification, minimum of only 0.05 MPa. The spectrum density increasing, the distribution is more reasonable, can better meet the needs of different floors and pipe resistance of fire control, meet the design selection. XBD series product is reached leading level, cover an area of an area small, light weight, low noise, good performance, the advantage of reliable running.

Application field

When the suitable operating mode

Flow range: 2.5 L, 200 L/S

Pressure range: 0.11-2.38 Mpa

Liquid temperature: 80 ℃ or less water

The working conditions

Low XBD series centrifugal fire pump can be divided into; Vertical single-stage, vertical multistage single export-oriented, horizontal multistage export-oriented, vertical multistage export-oriented, horizontal multistage export-oriented

Low XBD series centrifugal fire pump adopts copper alloy, copper alloy impeller pump shaft seal ring, stainless steel, ensure "at any time is up and running"

Low vertical/horizontal multi-stage export series satisfy the needs of high-rise building points to distinguish the pressure

Low horizontal multi-stage more export series intermediate exports may be two types of installation: vertical, horizontal direction

Low level at the end of the series vertical multistage exports more exports and export can be installed in four directions: middle inlet direction compared to 0, 90, 180 o, o o 270 o

Low horizontal multi-stage series is suitable for installation at a lower height of vertical space





Q:If the suction pump does not have enough suction range, you need to add a vacuum pump to increase the suction stroke. How do you install the suction pipe of the vacuum pump? Water pump impeller is not closed, it is normal that the vacuum pump is unable to pump suction pipe to a vacuum, is it because the water pump outlet pipe connected to the role of the check valve? But the water pump, outlet pipe, check valve sealing performance can achieve the function of non leakage?
The role of the check valve:"[the water pump impeller is not closed" refers to the pump suction pump before the water without water inlet pipe and water outlet pipe gas should be connected] is a connector, a connector, still can make the level surface, in order to prevent the water flow along the pipe, until it reaches the level of the flush, then increased check valve, or pumping up water will not leak?Vacuum suction principle of self suction pump:Assuming that the pump connected with the water inlet of a sealed container, the container has plenty of water, since the start of a water pump, water is thrown out of the water impeller pump body, water inlet seal vessel due to the extraction of water to form a vacuum cavity, this assumption will be connected to vacuum cavity and exposed to atmospheric conditions of water, water at atmospheric pressure under the effect of entry into the vacuum chamber".....
Q:Rules for operation of centrifugal pumps
Operating rules:1, before starting to check whether the water pump foot loose, coupling shield, and motor fan blade cover is intact, in order to ensure the safety of equipment and personal safety.2. Check whether the inlet valve is open and open as fully as possible. Is the outlet valve closed, open the bleeder valve, exhaust until there is no air, and close the bleeder valve. At the end of the valve to the pipeline in the pump cavity filled with water.
Q:There are second cutting, third cutting, why three times?
I used to do this job before. After the impeller is cut, the flow and lift will decrease. Sometimes, the same pump will be cut according to the needs of the impeller, so as to meet the actual needs, at this time, with the power of the motor will also be reduced
Q:How can I buy a pump?
2, must meet the characteristics of the media requirementsFor the delivery of flammable, explosive, toxic or valuable medium pump, requiring reliable sealing shaft or the use of non leakage pump, such as magnetic drive pumps (without shaft seal, using isolated magnetic indirect drive).For the transmission of corrosive medium pumps, convection components are required to use corrosion-resistant materials, such as fluorine plastic corrosion resistant pump.For conveying pumps containing solid particles, wear resistance materials shall be adopted in convection parts, and clean liquid shall be used for shaft seal when necessary.
Q:What does electromechanical vector pump mean?
It is a close set of mechanical and microelectronic technology. It adopts dual control center mode to control, and has a new water pump with logic control center and IPC control center.
Q:Which nuclear submarines use the shaftless pump technology?
Shaftless pumping technology and Simulation of shark skin technology are all the next generation of submarine propulsion technology. At present, there is no submarine in the world.
Q:What is the name of the day pump and ground pump? Specific introduction
PumpGround pumps are used very frequently in many large basements, because they have no boom, so they need to be taken over manually. In addition to the site, for those days to pump the high-rise buildings, such as 200 meters or 200 meters altitude, can also take over to transport concrete by pump, but the premise is to have enough power to pump concrete will hit above the height and the length of nozzle can reach the height of the floor.Thus, the day pump and ground pump have their respective advantages. The pump is easy to use, but the ground pump can make up for the height that the pump can not reach. At the same time, the price is relatively cheap, so users can choose the corresponding concrete pump when they are in use.
Q:Direct connection pump What is straight pump and non direct pump? What's the difference in structure?
The direct connected pump impeller is directly mounted on the motor shaft, and the non direct connected pump and motor are two shafts, and the two shafts transmit torque through the coupling
Q:If you use an ordinary 15W submersible pump, put it in the tank, if the leakage, the fish will hang it?
What will happen then? The aquarium glass is an insulator. The water in the fish tank has the same potential as the live wire, and the fish is like a bird standing on the fire line. No electricity flows through their bodies, so they won't get electrocuted. But if you put your hands into the water, you will get an electric shock, because the line voltage through the water, then your body and the earth to form a loop, current flowing through your body you will get (of course, if you stand on the insulator does not get an electric shock)
Q:What is the difference between centrifugal pump and positive displacement pump?
The centrifugal pump is usually driven by an impeller, and the head has a functional relationship with the flow rate. Positive displacement pump is gear or piston drive, each stroke output flow is constant, and the head does not matter, the pressure head can be infinite.

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