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End - suction single - stage
centrifugal pumps include types A,
N, W and E. Their design complies
with international standards ISO5199
and ISO2058. Through long - term
research and development, they have
surpassed industry market standards
and ensured excellent performance
and reliability.
Hydraulic Design Simulation &
Comprehensive Testing Laboratory
Through innovative methodologies, we
have significantly enhanced the
performance and reliability of our
pump products. At Jiangsu Kaifeng,
technological innovation, research,
and development are our top
priorities. Using our proprietary
simulation tools, we can rapidly
analyze various hydraulic designs
and simulate real-world operating
conditions in our comprehensive
large-scale laboratory to test all
pump operation states.
Hydraulic Range Meets Most Operating
Conditions
The design of end - suction single -
stage centrifugal pumps can meet the
application requirements of most
hydraulic coverage, enabling ideal
pumping of various challenging
fluids.
- Petroleum and Natural Gas
- Vertical Processing Industry
- Power Industry
- Pulp and Paper
- General Industry
- Chemical Process
- Water and Sewage
 Features
and Advantages
1、Reliable
and Efficient Universal EnerSave™
Impeller
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Reduces lifecycle costs, energy
consumption, operation, and downtime
costs.
2、Innovative
and Reliable Integrated Degassing
and Self-Priming Unit
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Designed for challenging liquid
applications under various operating
conditions.
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Built-in vacuum pump helps the
centrifugal pump start when the
liquid level is below the pump in
some self-priming scenarios.
3、Patented
Rotokey Impeller Mounting for High
Strength and Reliability
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Enables simple and quick disassembly
and reassembly.
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Minimizes maintenance costs.
4、Externally
Adjustable Patented Wear Plate
Design
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Allows easy and fast adjustment of
impeller clearance to maintain
continuous high efficiency and
minimize pump lifecycle costs.
5、专利设计的平衡孔Patented
Balanced Hole Design
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Ensures efficient liquid circulation
on the back of the impeller and in
the seal chamber.
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Maximizes reduction of operation and
maintenance costs by minimizing
unexpected downtime, while ensuring
optimal shaft seal performance.
6、Reliable
WaterLess™ Shaft Seal
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Offers efficient dynamic seals,
single mechanical seals, double
mechanical seals, and packing seals.
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Easy and quick to install.
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No measurement required.
 7、High-Strength
Shaft
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Reduces shaft deflection at the
stuffing box to <0.05 mm / 0.002 in.
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Helps prolong shaft seal service
life, reduce unexpected downtime,
and lower maintenance costs.
8、Reliable
Bearing Unit
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A reliable, simplified heavy-duty
bearing unit minimizes unexpected
downtime, thereby reducing shutdown
and maintenance costs.
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Bearing units include oil and grease
lubrication to fully meet various
requirements:
Grease lubrication for applications
up to 120°C/250°F.
Oil lubrication for applications up
to 180°C/355°F.
9、Set
Screws
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Ensure simple and quick disassembly
to reduce maintenance costs.
10、Standard
IEC Flange or Flange/Foot-Mounted
Motors with Heavy-Duty Bearing Units
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Heat-fitted solid shaft connections
with the same shaft dimensions as
long-coupling-type pumps.
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Flow-through components and seal
units have identical
interchangeability.
High-End Design Minimizes Lifecycle
Costs
① Jiangsu Kaifeng EnerSave™ Impeller
② Jiangsu Kaifeng Waterless Shaft
Seal Unit
③ Innovatively Designed Degassing
and Self-Priming Unit
④ Reliable Bearing Unit
⑤ Simple and Quick Installation
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