Introduction
The Horizontal Acid and Alkali Resistant Centrifugal Pump is designed for conveying various acid, alkali, and corrosive liquids and is widely used in industries such as chemical, electroplating, and environmental protection.
Model Description
For example:
AR40.120-M2/0.75-PP
AR - Series name
40 - Outlet diameter (mm)
120 - Impeller code
M - Motor configuration
2 - Motor stage
0.75 - Motor power (kW)
P - Impeller material (P = FRPP; F = PVDF)
P - Pump body material (P = FRPP; F = PVDF)
Product Features
Corrosion Resistance
The pump body is made of FRPP or PVDF material, allowing for long-term transport of strong acid and alkali media without crystallization or brittleness.
High Efficiency and Energy Saving
The high-efficiency impeller design paired with a 0.75–22kW motor results in low fluid loss and improved overall efficiency.
Stable and Reliable
The motor has an IP55 protection rating and an F-class insulation rating, ensuring continuous operation.
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 |
|
1 |
Pump body |
FRPP/PVDF |
|
2 |
Impeller nut |
FRPP/PVDF |
|
3 |
Impeller |
FRPP/PVDF |
|
4 |
Expansion ring |
TEFLON |
|
5 |
Dynamic ring |
SIC |
|
6 |
O-ring |
NBR/FPM |
|
7 |
Bearing bracket |
FRPP/PVDF |
|
8 |
Shaft seal ring |
NBR/FPM |
|
9 |
Static Ring |
SIC |
|
10 |
Shaft seal cover |
FRPP/PVDF |
|
11 |
Cover screw |
0Cr18Ni9 |
|
12 |
Shaft |
0Cr18Ni9 |
|
13 |
Shaft set screw |
0Cr18Ni9 |
|
14 |
Motor connection screw |
0Cr18Ni9 |
|
15 |
Cooling water tank |
FRPP/PVDF |
|
16 |
Motor |
- |
Performance Curve


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