1. Product introduction
GBW concentrated sulfuric acid pump is based on the performance parameters of IS centrifugal pump, which is optimized by using two materials, namely, cast iron and carbon steel for concentrated sulfuric acid and excellent hydraulic model. It is an ideal new generation chemical pump.
2. Product pictures

3. Scope of application
GBW concentrated sulfuric acid pump is mainly used for conveying concentrated sulfuric acid. It can also be applied to HVAC, environmental protection and water treatment; Transportation, light industry and building materials; Metallurgy; Food, manufacturing, paper making; Petroleum and chemical industry; Energy, electricity and other industries.
4. Product Features
(1) The pump body of GBW concentrated sulfuric acid pump is made of special cast iron, which will produce a protective film when contacting with concentrated sulfuric acid, effectively preventing concentrated sulfuric acid from corroding the pump body..
(2) GBW concentrated sulfuric acid pump adopts WB2 type external special mechanical seal, which is made of silicon carbide, high-purity alumina ceramics, filled with tetrafluoro, graphite and other materials.
(3) GBW concentrated sulfuric acid pump is equipped with an efficient energy-saving motor, which is powerful and completely suitable for conveying high-density concentrated sulfuric acid liquid.
5. Model Meaning

6. Specifications


Note: 1. If the parameters are different from those in the table during the model selection process, our factory can improve the model selection through technology.
7. Installation method
(1) The pump shall be installed and fixed on a stable foundation. It is better to lay a cushion between the base and the foundation. Ensure that the pump will not affect the vibration of the pipeline when it is started. The pump is not affected by other mechanical vibration.
(2) When installing the pipeline, it shall be noted that the inlet and outlet pipelines of the pump shall not exert force on the pump and shall be equipped with corresponding supports.
(3) Before installation, carefully check whether there are hard objects in the flow passage of the pump body to avoid damage to the impeller and pump body during operation.
(4) Sufficient maintenance space shall be reserved for the pump during installation to facilitate equipment maintenance in the later period.
8. Precautions
(1) A regulating valve shall be installed on the inlet and outlet pipelines of the pump to control the operation of the pump under rated conditions.
(2) Open the inlet valve of the pump before starting to fill the whole pump chamber with liquid.
(3) Turn on the power supply. When the pump reaches the normal speed, gradually open the valve on the discharge pipe and adjust it to the required working condition.
(4) Check whether the temperature rise at the motor and bearing is ≤ 70 ℃, and handle in time if any abnormality is found.
(5) It is forbidden to work the mechanical seal under dry grinding.
9. Frequently Asked Questions
(1) If the water pump does not discharge water, it may be that there is air in the pump chamber.
(2) Insufficient pump flow may be caused by partial blockage of pipes and impeller of pump flow passage, insufficient valve opening, etc.
(3) Excessive pump power may be used beyond the rated flow.
(4) Noise and vibration may be caused by unstable pipeline support, gas mixed with liquid, bearing damage, etc.
10. Need to know
(1) GBW concentrated sulfuric acid pump cannot transport low concentration sulfuric acid or other low concentration acid-base liquids
(2) If the mechanical seal of GBW concentrated sulfuric acid pump leaks during startup, the mechanical seal shall be replaced in time to prevent damage to other accessories caused by air entering the pump chamber
(3) During the use of GBW concentrated sulfuric acid pump, if the operator wants to check the pump, he must take protective measures to prevent concentrated sulfuric acid from leaking.
GBW Concentrated Sulfuric Acid Pump: Reliable Solution for Industrial Acid Handling
The GBW concentrated sulfuric acid pump is a specialized chemical pump designed for the safe, efficient, and reliable transfer of concentrated sulfuric acid and other corrosive fluids. Built with high-quality, corrosion-resistant materials, it delivers long-lasting performance, minimal maintenance, and high operational safety, making it suitable for industries such as chemical manufacturing, refining, and acid processing.
The GBW pump combines robust construction, precise engineering, and advanced materials to handle highly corrosive chemicals without compromising performance. Its centrifugal design ensures smooth flow, reduced energy consumption, and low vibration, providing industrial facilities with a durable and efficient acid-handling solution.
Corrosion-Resistant Materials: All wetted components are made from acid-resistant alloys or coated with PTFE/FEP lining, ensuring long-term durability.
Centrifugal Design: Provides stable flow, reduced wear, and energy efficiency.
High-Temperature Capability: Can operate under elevated temperatures typical of concentrated sulfuric acid processes.
Low Maintenance: Simplified design allows easy inspection, cleaning, and component replacement.
Safety Compliance: Meets industry standards for chemical handling, ensuring safe operation in hazardous environments.

Understanding the key components of the GBW pump is essential for proper operation, maintenance, and troubleshooting.
| Component | Function | Material |
|---|---|---|
| Pump Casing | Houses the impeller and directs flow | PTFE-lined steel or corrosion-resistant alloy |
| Impeller | Rotates to move fluid | Acid-resistant alloy or PTFE-coated |
| Mechanical Seal | Prevents fluid leakage | Carbon/Ceramic or SiC |
| Bearings | Support pump shaft and reduce friction | High-precision stainless steel |
| Suction & Discharge Flanges | Connect pump to pipeline | Stainless steel or lined alloy |
| Coupling & Baseplate | Ensures alignment and stability | Stainless steel or treated steel |
Explosion-proof motors for hazardous chemical environments.
Pressure and flow sensors for real-time monitoring.
Vibration dampers for quieter operation and reduced stress on components.
Remote monitoring systems for advanced operational oversight.
Proper installation and operation of the GBW pump ensure efficient performance and long-term reliability.
Install the pump on a stable, level foundation to minimize vibration.
Ensure proper alignment of motor and pump shaft to avoid mechanical stress.
Connect suction and discharge piping with minimal bends to reduce pressure loss.
Fill the pump casing with fluid before first startup to prevent dry running.
Verify compatibility of all fluids with the pump’s corrosion-resistant materials.
Avoid dry running, which can damage mechanical seals and impellers.
Monitor flow, pressure, and temperature regularly.
Use soft-start motors to reduce mechanical and electrical stress.
Follow standard safety procedures when handling concentrated sulfuric acid.
Wear protective gloves, goggles, and acid-resistant clothing during operation.
Ensure proper grounding and electrical safety for all motor-driven pumps.
Avoid pumping flammable or incompatible chemicals unless certified.
Regularly inspect for leaks or corrosion and replace worn components promptly.
Routine maintenance and inspection are critical for ensuring optimal performance and longevity.
| Interval | Task |
|---|---|
| Daily | Check for leaks, unusual noise, and vibration |
| Weekly | Inspect mechanical seals and bearings |
| Monthly | Lubricate bearings if required, inspect alignment |
| Quarterly | Clean impeller and pump casing, inspect for corrosion |
| Annually | Full inspection, replace worn parts, perform flow/pressure test |
Flush the pump with compatible neutral fluid after each use.
Remove residues and deposits from impeller and casing.
Inspect and replace mechanical seals if leakage is detected.
Ensure all internal surfaces are dry and clean before long-term storage.
Mechanical seals should be replaced annually or if leakage occurs.
Bearings require periodic lubrication or replacement depending on operational hours.
Impellers and casings should be inspected for corrosion and replaced as needed.
Proper storage protects the GBW pump from environmental damage and ensures immediate readiness for operation.
Store in a dry, ventilated area away from direct sunlight.
Ensure the pump is empty of chemicals before storage.
Cover openings with protective caps to prevent contamination.
Periodically rotate the shaft to prevent seizing during extended storage.
The GBW pump is designed with environmental safety in mind, minimizing chemical leakage and operational hazards.
Leak-proof design reduces risk of chemical spills.
Low energy consumption contributes to sustainable operations.
Complies with ISO 14001 environmental standards.
Optionally available with ATEX certification for operation in hazardous areas.
Highly Corrosion-Resistant: Handles concentrated sulfuric acid safely.
Energy-Efficient Operation: Optimized impeller design reduces power usage.
Durable and Reliable: Long service life with minimal maintenance.
Safe for Industrial Use: Designed for high-risk chemical environments.
Easy Maintenance: Quick access to critical components.
The GBW concentrated sulfuric acid pump is widely used in:
Chemical Manufacturing: Transfer of concentrated acids, alkalis, and chemical solutions.
Petrochemical Industry: Handling aggressive fluids in refining and processing.
Pharmaceutical Production: Safe circulation of corrosive chemicals.
Water Treatment: Acid dosing for pH control.
Metal Processing: Pickling, cleaning, and surface treatment applications.
The GBW concentrated sulfuric acid pump is a highly specialized, reliable, and durable solution for transferring aggressive and corrosive liquids in industrial environments. With its corrosion-resistant construction, low-maintenance design, environmental safety compliance, and reliable performance, it is an essential choice for chemical plants, refineries, and industrial fluid handling operations. Proper installation, usage, and maintenance will ensure long-term efficiency, safety, and cost-effectiveness.
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