Advantages
Self-priming chemical centrifugal pumps are used for transporting various corrosive media such as acids, alkalis, and salt solutions, and are widely used in chemical, environmental protection, electroplating, and wastewater treatment industries.
Model description
For example:
SAR50.128-M2/2.2-PP
SAR - Series designation
50 - Inlet diameter (mm)
128 - Impeller code
M - Motor configuration
2 - Motor stage
2.2 - Motor power (kW)
P - Impeller material (P = FRPP, F = PVDF)
P - Pump casing material (P = FRPP, F = PVDF)
Product Features
High Corrosion Resistance
FRPP or PVDF pump body materials can withstand strong acids, alkalis, and chlorine-containing liquids for extended periods, exhibiting stable and reliable corrosion resistance.
Continuous Operation
The motor adopts S1 continuous duty, IP55 protection, and F-class insulation, ensuring safe and stable operation over long periods.
Wide Performance Range
Flow rates of 6–50 m³/h, head of 3–18 m, and power of 0.37–7.5 kW meet the needs of various chemical systems.
Why Choose Us
Production Capacity: 15,000㎡ factory area, 5 production lines, annual output of 10,000 water pumps and 5,000 blowers.
Quality Assurance: ISO 9001 and CE/TUV certified, full-process quality control, 100% finished product qualification rate.
Technology R&D: 20 engineers and 10 technicians, 15 patents, supporting new product development and non-standard customization.
Supply Chain and Inventory: 50+ long-term suppliers, key components manufactured in-house, common raw material inventory ≥3 months of production.
After-sales Service: Provides 24-hour technical response, 72-hour on-site service, and long-term maintenance support.
Technical Data
| Power supply | 3φ 380V 50Hz |
| Working mode | S1 |
| Protection level | IP55 |
| Insulation level | F |
| Inlet and outlet flange standard | JIS 10K |
| Installation method | Horizontal installation |
Structural Diagram

|
No. |
Name |
Material |
No. |
Name |
Material |
|
1 |
Motor |
- |
11 |
Check valve |
NBR/FPM |
|
2 |
Shaft |
0Cr18Ni9 |
12 |
Filling plug |
FRPP/PVDF |
|
3 |
Shaft seal cover |
FRPP/PVDF |
13 |
Pump body |
FRPP/PVDF |
|
4 |
Static ring |
SIC |
14 |
Gasket |
NBR/FPM |
|
5 |
Cooling water tank |
FRPP/PVDF |
15 |
Self priming bucket |
FRPP/PVDF |
|
6 |
Foot |
FRPP/PVDF |
16 |
Base |
FRPP |
|
7 |
Dynamic ring |
SIC |
17 |
Dynamic O-ring |
NBR/FPM |
|
8 |
Impeller |
FRPP/PVDF |
18 |
Dynamic O-ring |
NBR/FPM |
|
9 |
Impeller nut |
FRPP/PVDF |
19 |
Pump body O-ring |
NBR/FPM |
|
10 |
Middle cover |
FRPP/PVDF |
20 |
Drain valve |
FRPP/PVDF |
Performance Curve

Hot Tags: self-priming chemical centrifugal pump, China self-priming chemical centrifugal pump manufacturers, suppliers, factory, chemical pump, Horizontal Acid and Alkali Resistant Centrifugal Pump, Self priming Chemical Centrifugal Pump, Vertical Idle Centrifugal Pump

