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PBG Vertical Pipeline Shielded Pump

The PBG series vertical inline shielded pump features an integrated pump-machine coaxial design, eliminating shaft seals and providing a fully sealed operation. It boasts core advantages such as low noise, zero leakage, and easy installation, making it suitable for media transportation in various scenarios.
 
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Introduce the basic functions of the product



1. Leak-free delivery: The fully sealed structure ensures zero leakage of the medium, making it suitable for stringent operating conditions such as environmental protection and explosion-proof requirements.


2. Pipeline pressurization and circulation: The vertical coaxial design is directly connected in series with the pipeline to complete the pressurization and circulation of fluids.


3. Multi-media compatible conveying: It can deliver clean water, hot water, and cleaning liquids with similar physical and chemical properties to meet the needs of different scenarios.


4. Low-noise and stable operation: The shielded structure eliminates vibration and noise, making it suitable for applications with high requirements for environmental noise levels.




Usage Environment




1. Media requirements: Clean water, hot water, or similar clean liquids with similar physical and chemical properties; solid particle content ≤100mg/L, particle size ≤0.2mm.


2. Temperature range: Standard type ≤120℃; High temperature type ≤350℃.


3. Operating pressure: The system operating pressure is ≤1.6MPa.


4. Installation environment: Suitable for both indoor and outdoor use, with good ventilation; avoid locations with dust, corrosive gases, and severe vibrations.


5. Applicable Scenarios: HVAC circulation, hot water supply, industrial cooling, municipal water supply and drainage, and high-rise building pressurization.




Product Advantages




1. Fully sealed with zero leakage: Without the traditional shaft seal structure, it completely eliminates media leakage and is suitable for harsh working conditions such as environmental protection, explosion-proof, and toxic media.


2. Easy to install and takes up little space: The vertical coaxial design allows the inlet and outlet flanges to be coaxial with the pipeline, enabling direct connection to the pipeline without the need for a dedicated foundation, thus significantly saving installation space and costs.


3. Low noise, low vibration, and stable operation: The shielded structure eliminates vibration transmission between the motor and the pump body, resulting in low operating noise and no additional vibration interference. It is suitable for hospitals, residential areas, precision workshops, and other environments with high environmental requirements.


4. Easy to maintain and low cost: The pump and motor are integrated into one unit, eliminating the need for couplings, shaft seals, and other easily damaged parts. The sliding bearings are self-lubricated by the conveying medium, requiring only routine inspections, which significantly reduces maintenance frequency and costs.


5. Highly adaptable and widely applicable: It can transport various clean media such as clean water and hot water, with a wide range of flow rates and head, meeting the needs of multiple scenarios such as HVAC circulation, pipeline pressurization, and industrial cooling.




Technical parameters




type PBG type is a vertical in-line shielded pump.
Material Cast iron, 304/316 stainless steel, cast steel
Driver type Three-phase asynchronous shielded motor drive
Installation type Vertical installation
Maximum caliber 500mm (20 inches)
Maximum flow 1080m³/h
Maximum head 125m
Maximum power 160kW
Protection level IP54/IP55
Insulation class F-level
Standard voltage Three-phase 380V, 50Hz; custom voltages such as 220V and 660V are also available.




Product Uses




1. Heating, ventilation, and air conditioning (HVAC): Central air conditioning water circulation, centralized heating/underfloor heating circulation, and condensate recovery. 


2. Building water supply and drainage: High-rise secondary water supply, tap water pipeline circulation, and fire-fighting pressure stabilization assistance.


3. Special industrial operating conditions: Low-corrosion media circulation, equipment cooling, toxic/volatile/precious media transportation, and clean/pure water transportation.




Product Operation Guide




1. Installation: Vertical flanges are used to connect pipes, leveling and fixing them in place, with valves and pressure gauges installed at the inlet and outlet.


2. Inspection: Confirm that the medium and voltage are compatible; ensure the turning gear is flexible; and fully open the exhaust valve to vent all air.


3. Startup: Close the outlet valve → Power on and start → Slowly open the outlet valve to adjust to the rated operating conditions.


4. Run: Monitor pressure, current, and temperature; ensure no abnormal vibration or noise, and guarantee continuous liquid supply for motor cooling.


5. Shutdown: Close the outlet valve → disconnect the power supply → drain the medium during long-term shutdown and close the inlet and outlet valves.


6. Maintenance: Regularly check bearing wear and the integrity of the shielding sleeve; idling and dry grinding are strictly prohibited.




Frequently Asked Questions



1. No flow/low pressure upon startup 


2. Difficulty starting the motor/tripping 


3. High operating noise and vibration 


4. Damaged and leaking shielding sleeve 


5. Bearing dry friction and burnout 


6. Continuous decrease in flow rate and head 


7. Motor overload and overheating 


8. Impeller jamming/scaling 


9. Frequent start-stop 


10. Blocked cooling channels

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