• XBC series diesel engine fire pump System 1
XBC series diesel engine fire pump

XBC series diesel engine fire pump

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Product overview

My company production of diesel engine fire pump with reference to foreign relevant technical standards requirements development and design. When building a fire, power supply is faulty, electric fire pump will not be put into use properly, this type of fire pump automatically put into operation to make sure fire extinguishing work, to ensure the safety of life and property. This system equipped with various automatic control function, ensure the long-term normal standby unit, ready for the fire fighting work.

Application field

Mainly used in industry, civil construction fixed fire control system (fire hydrant fire extinguishing system, automatic sprinkler system and water spray extinguishing system) of the water supply, in addition, can also be used for fire fighting and life (production) sharing of water supply system and the construction, municipal, industrial and mining, boiler feed water and so on various occasions.

Product features

1, the unit selects the our company produces the high quality multi-stage pump, double suction pump, flow, pressure range, the applicable scope is wide;

2, when the unit receives signals to effective fire or fire pump motor power power supply system, lack of phase, our group can run automatically start;

3, the unit with the function of excellent since the alarm, including multiple launch failure alarm, high water temperature alarm of diesel engine, diesel engine overspeed alarm downtime, low battery voltage, charging failure alarm, fuel lack of instructions alarm;

4, this unit is equipped with manual and automatic startup mode, strong practicability, easy to use;

5, fire signal disappears, the pump automatically delay downtime, and effectively reduce the working strength and cost;

6, diesel, and pumps connected directly, less faults, small vibration;

7, low battery voltage, the unit can automatically recharge, ensure the battery has enough power, double battery circuit design can ensure a battery fails, automatically using another set of batteries; And the battery itself does not need frequent add supplementary fluid, high efficiency and reliable;

8, the capacity and head of the pump with the actual requirements, can be adjusted to change the use of diesel engine speed to meet your requirements;

9, a specially designed preheating system can ensure that the normal boot when the low temperature

10, this unit can run on a regular basis function, to ensure normal standby unit.

The working conditions


Q:How is the pump level of submersible sewage pump determined?
Below the top elevation of the sump, 200 is the warning water levelBut note: 1, the effective volume of the sump meets the requirements. 2, the pump should have enough submerged water level
Q:What does the pump mortar do?
In order to effectively reduce the flow resistance of concrete and pipe, to avoid obstruction caused by pipe sticking and to achieve normal pumping, and its role is generally only pumps.
Q:What is the "variable" of a variable pump? Is the displacement change or the flow change? Thank you
There are many ways to change the variable pump flow: by changing the eccentricity to change the piston stroke length (radial piston pump, the frequency change principle) motor speed to adjust the flow (such as gear pump flow control principle).
Q:The function of centrifugal pump
The basic structure of the centrifugal pump is composed of six parts, namely: impeller, pump body, pump shaft, bearing, sealing ring, stuffing box.1, the impeller is the core part of the centrifugal pump, it is high speed, large output, the impeller blade and play a major role in the impeller before assembly, through the static equilibrium experiment. The inside and outside surfaces of the impeller are required to be smooth, so as to reduce the friction loss of the water flow.
Q:What does centrifugal pump mean horizontally?
Centrifugal pump horizontal opening meaning: pump shell and pump body along the pump blade horizontal central line is divided into the upper and lower halves, so that the maintenance of pump leaves when the pump top cover can be separated from the pump and bearing as a whole. No need to remove the pipe.
Q:Water pump outlet valve sequence
To reduce the impact of vibration, noise and vibration on the valve, the soft connection is best at the pump outlet.The check valve is sometimes checked, so it is placed in front of the outlet valve so that the water can be checked out. I think the order should be: pump outlet, soft connection, check valve, gate valve (butterfly valve)
Q:What do you mean by the self coupling device on the pump?
Installation of GAK self coupling device:The installation of automatic coupling submersible sewage pump is mainly the installation of coupling device and the lifting of pump. In the pump before the installation of the rings on the chain, and the pump used for lifting.Installation procedure of coupling device:The coupling frame with four bolts fixed on the pump body; the water outlet pipe is fixed on the substrate; positioning cone mounted on the pipe seat; the lower end of the guide pipe is sleeved in the positioning cone, the upper end is sheathed on the guide rod of the rubber block; the guide rod frame is fixed on the pool wall. The function of the rubber block: the axial compression degree of the rubber block is adjusted by the screw on the guide rod frame, so that the diameter of the rubber block is consistent with the inner diameter of the guide rod, and the guide rod is stable.
Q:Know flow and lift how to calculate the pump power?
N=Q.H.g. P / nN - motor power, kWH - pump head, MQ - pump flow, m^3/sG - gravity acceleration g=9.81
Q:Roots pump and dry pumpRecently involved in the work of the vacuum pump, don't understand this, is a ads602 vacuum pump, composed of roots pump and dry pump, is pre pumped to the 500mtorr equipment, the main pumping vacuum continues to 10mtorr, where the roots pump and dry pumps must be used? What role they play respectively. The so-called dry pump? Is refers to one kind of the pump, the pump is many dry pump? Also do not understand how the work of automatic switching system for pre pumping, the main pump, pump work alone did not connect system ah (of course there are even a butterfly) teach?
Different working conditions, our company does dry claw pump alone can also achieve the vacuum of 133 PA.
Q:What are the characteristics of a vertical multistage centrifugal pump?
Vertical multistage centrifugal pump system using the latest international advanced IS type hydraulic model based design for high efficiency centrifugal pump with multi segment, the soft packing or mechanical seal, has the characteristics of high efficiency, large flow, high lift, no leakage, a wide range of performance, safe operation, stable operation and long service life and small area.

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