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Structural characteristics and application scope of horizontal fire pumps

2024-11-29

Horizontal single-stage single-suction fire pumps have the characteristics of beautiful appearance, compact structure, less rotor winding, relatively stable operation, low vibration and low noise, convenient installation and use, and can be durable. Horizontal fire pumps are widely used and are suitable for use in fire protection systems, booster systems, urban water supply and drainage and other occasions. The medium temperature of XBD horizontal fire pumps is between minus 15 degrees and 80 degrees.

fire pumps

Structural characteristics of horizontal fire pumps

(1) The suction port of the horizontal fire pump is horizontal, the discharge port is arranged vertically upward, and the inlet and outlet diameters are the same.


(2) The fire pump has a compact structure, reasonable layout, and the inlet and outlet diameters are the same, which is convenient for pipeline connection.


(3) The pressure of the horizontal fire pump can be met by increasing or decreasing the number of water pump stages and cutting the outer diameter of the impeller, and it does not change the floor space, which is not available in other pump products.


(4) The horizontal fire pump has a very small winding, and has the characteristics of relatively stable operation, relatively low noise, and small vibration amplitude.


(5) The joint surfaces of the water inlet section, middle section and water outlet section can be sealed by tightening with paper pads and tension bolts. In order to prevent liquid leakage from the main shaft at both ends, a packing seal can be set. The shaft is equipped with a rubber water retaining ring and an O-ring to prevent water from entering the shaft sleeve cavity.


Scope of application of horizontal fire pumps

(1) Working pressure: system pressure is less than or equal to 3.0MPa.


(2) The ambient temperature is less than 40℃ and the relative humidity is less than 95%.


(3) The main components of horizontal fire pumps are cast iron, and the pumping medium should not be highly corrosive.


(4) Horizontal fire pumps can pump clean water or media with physical and chemical properties similar to water.


The two commonly used structures of fire pumps are horizontal fire pumps and vertical fire pumps.


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