>Diesel engine self-priming fire pump, gasoline engine self-priming fire pump, electric high-pressure fire foam pump, Nanning City, Guangxi Province Baise City diesel engine self-priming fire pump, gasoline engine self-priming fire pump, electric high-pressure fire foam pump Beihai City, Guilin City, Liuzhou City, Hechi City Pingxiang City Qinzhou City Yulin City Wuzhou City Heshan City
> The Z series pump is a horizontal self-priming centrifugal pump. Compared with other types of self-priming centrifugal pumps, this type of pump has no check valve, the simplest structure, the most reliable operation, long trouble-free working time, easy maintenance and use, small size, light weight, high efficiency, and excellent design. Special consideration has been made to compare with pumps of the same caliber, with large displacement and high performance.
The Z-type self-priming pump is more effective as an emergency pump in industrial and agricultural production, emergency rescue, such as waterlogging and fire fighting. Z-type pumps are widely used in urban water supply in petroleum, chemical industry, metallurgy, machinery, chemical fiber, food, energy, transportation and other industrial sectors, and can also be used for agricultural drainage and sprinkler irrigation. It is used to transport clean water or other liquids with a viscosity less than d and a temperature lower than ℃ with physical and chemical properties similar to that of clean water.
Technical parameters of self-priming pump
Flow rate: .～m/h
Lift: ～
Speed:, r/
Power: .～
Inlet diameter :~m
Maximum working pressure:.
Maintenance and Disassembly
The self-priming pump is characterized by its simple, reliable structure and durability. Under normal circumstances, the pump generally does not require frequent disassembly and maintenance. When a fault is discovered, it can be rectified at any time.
.You should pay attention to several main parts when maintaining the pump
.Rolling bearings: When the pump has been running for a long time and the bearings are worn to a certain extent, they must be replaced.
b. Front sealing ring, rear sealing ring: When the sealing ring is worn to a certain extent, it must be replaced.
Mechanical seal: Generally speaking, the mechanical seal should not be disassembled for inspection if it does not leak. If serious leakage occurs at the leakage port at the lower end of the bearing body, the mechanical seal should be disassembled and inspected. When assembling and disassembling the mechanical seal, you must handle it with care, pay attention to the cleaning of the mating surface, protect the mirror surfaces of the static ring and the moving ring, and knocking and collision are strictly prohibited. The main cause of leakage due to mechanical seals is the roughening of the friction mirror surface. The repair method can be to grind the friction end surface to restore the mirror surface. Another reason for mechanical seal leakage is that the 'shaped rubber sealing ring (or buffer pad) is improperly installed or deformed and aged. At this time, the sealing ring needs to be adjusted or reassembled.
.Pump disassembly and assembly sequence
.Remove the motor or take out the coupling.
b. Remove the bearing body assembly, check the radial clearance between the impeller and the front ring, and check whether the impeller nut is loose.
.Remove the impeller nut, pull out the impeller, and check the radial clearance between the impeller and the rear sealing ring.
d. Loosen the tightening bolt of the mechanical seal, pull out the moving ring part of the mechanical seal, check the fit of the end faces of the moving and stationary rings, and check the sealing condition of the sealing ring (or buffer pad).
.Unscrew the tightening nut of the coupling and pull out the coupling.
.Remove the bearing end cover, and remove the pump shaft and bearings.
. Just assemble in the reverse order during installation. .
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