Changsha Haobo Brothers Technology Co., Ltd.
| Driving Type | Motor |
| Influent Type of Impeller | Single Suction Pump |
| Transport Package | Wooden Case |
| Max.Capacity | 3.2 |
| Specification | 457*100*284mm |
| Mounting Height | Suction Centrifugal |
| Origin | China |
| Position of Pump Shaft | Horizontal Pump |
| Usage | Centrifugal Pump |
| Trademark | HaoBo |
| Impeller Number | Single-Stage Pump |
| Working Pressure | Low Pressure Pump |
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Product Specification
| Driving Type | Motor | Influent Type of Impeller | Single Suction Pump |
| Transport Package | Wooden Case | Max.Capacity | 3.2 |
| Specification | 457*100*284mm | Mounting Height | Suction Centrifugal |
| Origin | China | Position of Pump Shaft | Horizontal Pump |
| Usage | Centrifugal Pump | Trademark | HaoBo |
| Impeller Number | Single-Stage Pump | Working Pressure | Low Pressure Pump |
1. Any concentration of acid, alkali, salt solution
2. Strong oxidizers and organic solvents
3. Petrochemical industry
4. Chemical processing
5. Pesticide manufacturing
6. Pickling and dyeing
7. Papermaking
8. Electroplating
1. Pump Type: SZ Series Single-stage End Suction Centrifugal Pump
2. Structural Feature: Suction inlet axial, discharge outlet radial; direct-coupled shaft and impeller
3. Casing Material: Cast Iron lined with Fluoroplastic (F26/F46)
4. Impeller Material: Steel + F26/F46 fluoroplastic
5. Mechanical Seal Material: Silicon Carbide/Silicon Carbide
6. Motor Type: Totally enclosed, air-cooled, two-pole motor
7. Protection Class: IP55
8. Insulation Class: Class F
9. Connection Type: Standard flanged connections
10. Applicable Medium: Thin, clean liquids free of solid particles and fibers; chemically corrosive media
11. Liquid Temperature Range: -20°C to +120°C
12. Max. Working Pressure: 10 bar
(Custom configurations available upon request.)
| Model | SZ25-25-125 |
| Type | Single-stage End Suction Centrifugal Pump |
| Rated Flow | 3.2 m³/h |
| Rated Head | 20 m |
| Flow Range | 2.2 – 3.8 m³/h |
| Max. Working Pressure | 2.1 bar |
| Pump Efficiency | 28% |
| Shaft Power | 0.62 kW |
| Motor Power | 1.1 kW |
| Rated Current | 2.5 A |
| Speed | 2900 rpm |
| Inlet Diameter | DN25 / PN6 |
| Outlet Diameter | DN32 / PN10 |
| Impeller Diameter | 127 mm |
| Casing Material | Cast Iron lined with Fluoroplastic (F26/F46) |
| Impeller Material | Steel + F26/F46 fluoroplastic |
| Mechanical Seal Material | Silicon Carbide/Silicon Carbide |
| Flange Standard | DIN |
| Protection Class | IP55 |
| Insulation Class | Class F |
| Voltage | 380 V |
| Power Frequency | 50 Hz |
| Liquid Temperature Range | -20°C to +120°C |
| Ambient Temperature | Max. +40°C |
| Weight | 45 kg |
Standard Warranty: 12 months or 2,000 operating hours (whichever comes first).
Extended Warranty: Optional coverage up to 24 months.
Global Support: 24/7 technical assistance and spare parts supply.
Training: On-site or remote operation/maintenance training.
Changsha HaoBo Brothers Technology Co., Ltd
Changsha HaoBo Brothers Technology Co., Ltd. Was founded in 2015 and established by three like-minded mechanical engineers with backgrounds in the petrochemical, mining, and metallurgical industries. The company was created to address key industry challenges by delivering high-quality, cost-effective mechanical equipment and components through integrated engineering solutions, tailored to the specific needs of clients in the petrochemical, mining, and metallurgical sectors.
From 2015 to 2017, the company operated by supplying custom-engineered equipment (through outsourced manufacturing) alongside imported European and American spare parts, serving both domestic and international customers across the petrochemical, mining, plastics, and metallurgical industries.
In 2017, Changsha HaoBo Brothers Technology Co., Ltd. Invested in and established a joint-venture factory focused on manufacturing equipment and components for the metallurgical industry, as well as air compressors, large-scale pumps and valves, blowers, and related machinery for the petrochemical and mining sectors.
In 2022, the company further invested in another joint-venture factory dedicated to producing equipment and accessories for the plastics industry.
To date, the group's core business operations encompass the following:
With branch offices established in Germany and the United States, we source and supply European and American brand spare parts and equipment to clients in the petrochemical, mining, plastics, and metallurgical industries.
Through our joint-venture factories in China, we manufacture equipment and spare parts for the metallurgical, petrochemical, mining, and plastics industries.
We act as authorized distributors for select equipment from leading domestic manufacturers, supplying these products to clients in the metallurgical, petrochemical, metallurgy, and plastics industries.
Q: What's the lead time for orders?
A: Standard models ship in 15–30 days; customized models depend on the specific product.
Q: Do you provide after-sales service overseas?
A: Yes, we have partnered service centers in key regions.
Q: Can I request a customized pump size?
A: Absolutely! We offer tailored attachments.
Q: What documents do you provide for export?
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).
Q: How do I place an order?
A: Contact us via email/phone for a quote, then confirm with a PO.
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2015
Total Annual:
10000000-25000000
Employee Number:
20~50
Ecer Certification：
Verified Supplier
Changsha HaoBo Brothers Technology Co., Ltd. Was founded in 2015 and established by three like-minded mechanical engineers with backgrounds in the petrochemical, mining, and metallurgical industries. The company was created to address key industry challenges by delivering high-quality, cost-effectiv... Changsha HaoBo Brothers Technology Co., Ltd. Was founded in 2015 and established by three like-minded mechanical engineers with backgrounds in the petrochemical, mining, and metallurgical industries. The company was created to address key industry challenges by delivering high-quality, cost-effectiv...
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