HWBZ 220V Exproof Centrifugal Pump
The HWBZ 220V Exproof Centrifugal Pump is a high-performance, explosion-proof pump designed for safe liquid transfer in hazardous industrial environments. Powered by a 220V single-phase motor, it delivers stable flow rates, consistent pressure, and reliable operation, making it ideal for chemical processing, petrochemical plants, oil-water circulation systems, and industrial fluid transfer.
Built with corrosion-resistant materials and compliant with international explosion-proof standards such as ATEX and IECEx, the HWBZ 220V pump ensures long-term durability, energy-efficient performance, and operator safety.
This article provides a detailed overview of fault diagnosis, technical services, cleaning procedures, and installation guidance to help engineers and industrial buyers operate and maintain the HWBZ 220V Exproof Centrifugal Pump efficiently.
The HWBZ 220V Exproof Centrifugal Pump is engineered for high-pressure and hazardous environment applications. Key advantages include:
Explosion-proof certification for Zone 1 and Zone 2 hazardous areas.
Stainless steel construction for corrosion and wear resistance.
Optimized impeller design for high-efficiency hydraulic performance.
Energy-efficient 220V single-phase motor suitable for industrial installations.
Low maintenance requirements and long operational lifespan.
Applications:
Chemical liquid transfer in hazardous zones
Petrochemical fluid circulation
Oil-water circulation systems
Industrial cooling and lubrication systems
Proper fault diagnosis ensures continuous and safe operation of the HWBZ 220V Exproof Centrifugal Pump. Common issues include:
| Fault Type | Possible Cause | Recommended Action |
|---|---|---|
| Pump fails to start | Electrical connection error | Check power supply, wiring, and fuses |
| Low flow rate | Clogged impeller or suction pipe | Clean impeller, check inlet valve |
| Excessive vibration | Misalignment or worn bearings | Realign pump, replace bearings |
| Overheating | Motor overload or insufficient lubrication | Reduce load, check lubrication, clean filters |
| Leakage from pump casing | Worn mechanical seals | Replace seals |
Regularly inspect motor wiring and connections.
Maintain clean suction and discharge pipelines.
Perform routine lubrication and check bearing condition.
Follow installation and operational guidelines strictly.
The HWBZ 220V Exproof Centrifugal Pump comes with comprehensive technical support to ensure safe and efficient operation.
Detailed manuals, wiring diagrams, and safety instructions.
On-site guidance for explosion-proof compliance and proper alignment.
Assistance with mounting, piping, and commissioning.
Spare parts supply, including impellers, seals, bearings, and motors.
Remote troubleshooting and technical consultation.
Fast-response replacement services to minimize downtime.
Training on safe operation and monitoring.
Maintenance staff training for inspection, lubrication, and troubleshooting.
Guidance on safety standards, efficiency practices, and regulatory compliance.
Standard warranty covering manufacturing defects.
Pre-shipment inspection and certification verification.
Compliance with ISO 9001 quality management standards.
Proper cleaning and maintenance extend the pump lifespan and ensure consistent performance.
External Cleaning: Wipe the pump casing and motor with a damp cloth to remove dust and dirt.
Internal Cleaning: Flush the pump with clean water or compatible cleaning solution to remove residual liquids.
Impeller Cleaning: Disassemble impeller if clogged, clean with soft brush, and inspect for wear.
Seals and Bearings: Regularly check for debris or chemical deposits and clean accordingly.
Lubricate bearings according to manufacturer specifications.
Inspect mechanical seals for wear or leaks.
Check motor operation periodically for overheating or abnormal vibration.
Maintain a clean and dry installation environment to prevent corrosion.
Correct installation is critical for explosion-proof safety and pump efficiency.
Verify pump model matches site requirements (flow, pressure, voltage).
Inspect motor and casing for transportation damage.
Confirm suction and discharge pipelines are clean and free of debris.
Ensure electrical connections comply with local explosion-proof regulations.
Mounting: Secure pump on a level base with vibration-absorbing pads.
Alignment: Align pump shaft with motor shaft to prevent excessive wear.
Piping Connection: Connect suction and discharge pipes; ensure no air leaks.
Electrical Wiring: Connect 220V single-phase power according to wiring diagram.
Pre-Operation Test: Check rotation direction, flow rate, and pressure before full operation.
Only trained personnel should operate in hazardous areas.
Always de-energize the pump before maintenance or cleaning.
Use personal protective equipment (PPE) when handling chemicals or high-pressure fluids.
Explosion-Proof Safety: Certified for Zone 1 and Zone 2 hazardous areas.
Energy Efficiency: Optimized pump and motor reduce electricity consumption.
Durable Construction: Stainless steel and corrosion-resistant components ensure longevity.
Reliable Operation: Stable flow and high-pressure performance for industrial applications.
Comprehensive Support: Technical guidance, training, and after-sales service guarantee smooth operation.
The HWBZ 220V Exproof Centrifugal Pump is a trusted solution for safe, high-efficiency liquid transfer in hazardous industrial environments. Proper installation, routine maintenance, and adherence to technical and safety guidelines ensure long-term reliability and performance. With robust construction, explosion-proof certification, and comprehensive technical support, this pump is ideal for chemical, petrochemical, oil-water circulation, and industrial liquid transfer applications.
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Phone：+86 15868545868/+8618968868555
whatsapp：+86 15868545868/+8618968868555
Email：haiwan@haiwanpump.cn
Add：Meiao Street, Qiaoxia Town, Yongjia County Wenzhou City, Zhejiang, China
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