XBD-DL series vertical 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

Product features

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

Low vertical multistage series is suitable for the place more compact space

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Q:What's the meaning of the pump head in the water pump, please advise, thank you
The pump head of the centrifugal pump refers to the shell that contains the impeller and impeller, and also includes the shaft part that drives the impeller. It can be used as the part of the motor and shaft coupling and the base.
Q:Roots pump and dry pumpRecently, the work involved in the vacuum pump, do not understand this, is a ads602 vacuum pump
Different working conditions, our company does dry claw pump alone can also achieve the vacuum of 133 PA.
Q:No negative pressure water supply equipment, both the main pump and auxiliary pump, power is not the same
Non negative pressure water supply equipment can be divided into non negative pressure tank and box type non negative pressure compensation device, steady flow tank type non negative pressure water supply equipment is the negative pressure tank, pressure tank can eliminate the negative effect of network equipment, is equipped with a vacuum suppressor and water protection box; non negative pressure water supply equipment has the advantages of simple device is a water tank with the boost voltage stabilizing device of complex box at the same time with no negative pressure tank.The tank type non negative pressure water supply equipment adopts vertical multistage centrifugal pump. This kind of pump is low noise and high efficiency. Such as CDL series and imported CR seriesOrdinary box type non negative pressure water supply equipment can use multi-stage centrifugal pump, also can use stainless steel submersible pump, submersible pump costs will be lower, but the maintenance costs will be high.
Q:What kind of motor does the hydraulic pump need?
Hydraulic pump is a power component of hydraulic system. It is driven by an engine or an electric motor. It draws oil from the hydraulic tank to form a component of the pressure oil which is sent to the actuating element. Hydraulic pump according to the structure is divided into gear pumps, piston pumps, vane pumps and screw pumps.
Q:What is the nominal pressure of the hydraulic pump and hydraulic motor?
Rated flow refers to the flow under the rated speed and rated pressure input to the motor.Due to leakage loss, the actual flow of the input motor must be greater than its theoretical flow. Actual flow of motor (i.e. inlet flow) leakage flow = theoretical flow of the motor.
Q:What is a water pump coupling device?
The automatic coupling device of the water pump coupling device has compact structure and small occupation area. The sump pump works because it is submergedThe utility model can be directly installed in a sewage pool, and no special pump house is needed to install a pump and a machine, thereby saving large amounts of land and infrastructure expenses
Q:What is the working pressure of the hydraulic pump in the hydraulic transmission system?
The choice of pressure depends on the size of the load and the type of equipment. Consideration shall also be given to the assembly space, the economic conditions and the availability of components for the actuators.In the case of a certain load, low working pressure, is bound to increase the structure size of the actuator on some devices, the size must be limited, from the perspective of material consumption is not the economy; on the other hand, the pressure to choose too large, the pump, cylinder, valve and other components of the material, sealing and manufacturing accuracy requirements very high, must raise the cost of equipment.
Q:What is a gear pump for?
Internal wear of oil pumpOil pump parts wear will cause leakage. The large leakage area between the floating axle sleeve and the end face of the gear is the main part of the inner leakage. This part of the leakage accounted for about 50%~70% of the total leakage. The pump efficiency of the gear pump is much lower than the input power when the gear pump is worn and leaked. All of its losses are converted to heat energy, which will lead to overheating of the oil pump. If the joint plane is pressed, the movement of the floating axle sleeve will cause a little wear and tear when the work is in use, so that the farm tools can be lifted slowly or can not be improved, so the floating axle sleeves must be replaced or repaired.
Q:What does "anti pump" mean in pump operation?
Function: anti pump effect when used for pumping concrete pumping occurs overpressure, the pumping pressure is above 25MPA, the concrete conveying pipe out of ash, can be understood as the precursor of pipe blockage, at this time should immediately use the anti pump, the concrete from the conveying pipe in the suction into the hopper, thus preventing plugging happen
Q:How to calculate the motor power of metering pump?
The total mechanical power and hydraulic power, divided by the overall efficiency of pump, and the pump head and the utilization rate of pump mechanical efficiency, and then multiplied by 1.1 times (API675), you can get a metering pump motor need more power.

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