Basic Info.
| Model NO. | HZA | Max.Head | >150m |
| Max.Capacity | >400 L/min | Driving Type | Motor |
| Impeller Number | Single-Stage Pump | Working Pressure | Middle Pressure Pump |
| Influent Type of Impeller | Single Suction Pump | Position of Pump Shaft | Horizontal Pump |
| Pump Casing Combined | Verticaljoint Surface Pump | Mounting Height | Suction Centrifugal |
| Impeller | Closed | Usage | Pump, Pumps, Condensate Pump, Circulating Pump |
| Standard | API610 | Temperature | -80~450 Degrees |
| Pressure | 2.5~11MPa | Head | 4~300m |
| Rotation Speed | 1450, 2900 | Capacity | 3~2600m3/H |
| Transport Package | Plywood Box | Specification | 1000.00cm * 2000.00cm * 1000.00cm |
| Trademark | haishi | Origin | Jiangsu, China |
| HS Code | 8413709990 | Production Capacity | 5000 |
Products Description
Maintenance Tips for Self Priming Water Oil Centrifugal Pump
Regular maintenance is essential to ensure the long-term performance of a Self Priming Water Oil Centrifugal Pump. Proper care can prevent unexpected failures and extend the pump's service life.
Key Points to Consider
1. Regular Inspection
Check seals, bearings, and gaskets for wear or leaks. Early detection of minor issues can avoid costly repairs later.
2. Lubrication
Ensure that bearings and moving parts are properly lubricated. Use the recommended lubricant type and avoid over-lubrication, which can cause overheating.
3. Clean the Suction Line
Inspect and clean the suction line regularly to prevent clogs from debris, which can lead to loss of priming or pump damage.
4. Monitor Pump Performance
Track flow rate, pressure, and noise levels. Any sudden changes may indicate internal problems that need immediate attention.
5. Protect Against Dry Running
Always make sure there is enough fluid inside the pump before starting. Dry running can cause serious damage to internal components.
6. Storage and Seasonal Shutdown
If the pump is not used for an extended period, drain all liquids, clean the system, and store the pump in a dry, protected area.
Following these maintenance tips helps maximize the efficiency and lifespan of your Self Priming Water Oil Centrifugal Pump, ensuring reliable operation over time.

| Demonstration Of The Type | Range Of Application | Performance Parameter |
| HZA50-250 | Oil refinery, petrochemical industry, coal processing industry and cryogenic engineering | discharge:~2600m³/h |
| HZA:Foot support series | Chemical industry, paper, pulp industry, sugar industry | head:~250 m |
| HZAO:Open impeller series | General process industry, water supply plant, seawater desalination plant | Rotational speed.1450~2950r/min |
| HZE:Center support series | Heating and air conditioning system power plant | Design pressure:~2.5MPa |
| HZEO:Center support open impeller series | Environmental protection engineering | Service temperature:-40ºC~180ºC |
| 50:Pump outlet diameter 250:Nominal diameter of impeller |
Shipbuilding and Marine industry | Center support:-40ºC~450ºC |

1.Pump body 2. Seal ring 3. Impeller 4. Pump foot 5. Pump cover 6, shaft seal 7. Non-drive end bearing 8.Bearing bracket 9.Drive end bearing 10.Shafting
Company profile

We offer integrated solutions from embryo casting to complete machine with short lead time and controlled quality.


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FAQ
Q: Are your chemical pumps suitable for sea water applications?
A: Yes, we use corrosion-resistant materials like duplex stainless steel for seawater handling.
Q: What is the maximum temperature your pumps can handle?
A: Our pumps can withstand temperatures up to 350°C depending on material and model.
Q: Can I use your pumps in explosive environments?
A: Yes, we provide ATEX-certified explosion-proof pumps for such applications.
Q: What's the advantage of using stainless steel for chemical pumps?
A: Stainless steel offers excellent corrosion resistance and long service life for various chemicals.
Q: Do you provide pumps for pharmaceutical factories?
A: Yes, we supply sanitary-grade chemical pumps for pharmaceutical and biotech processes.
Q: What types of seals are used in your pumps?
A: We use mechanical seals, packing seals, and magnetic drive depending on fluid type and pressure.
Q: Can your pumps handle viscous or thick liquids?
A: Yes, we offer models optimized for high-viscosity media.
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