HWBZ 380V Exproof Centrifugal Pump
The HWBZ 380V Exproof Centrifugal Pump is a high-efficiency, explosion-proof pump specifically engineered for safe liquid transfer in hazardous industrial environments. Powered by a 380V three-phase motor, it delivers stable flow, high-pressure performance, and reliable operation for petrochemical, chemical, oil & gas, and industrial applications. Designed with corrosion-resistant materials and certified under international explosion-proof standards such as ATEX and IECEx, the HWBZ pump ensures long-term durability, operator safety, and energy-efficient performance.
This article provides a detailed overview covering pump specifications, technical services, packaging standards, and inspection/testing procedures to support industrial buyers and engineers in selecting and maintaining the HWBZ 380V Exproof Centrifugal Pump.
Product Overview
The HWBZ 380V Exproof Centrifugal Pump is designed to handle high-pressure, high-temperature fluids in hazardous areas. Key benefits include:
Explosion-proof certification for Zone 1 and Zone 2 hazardous areas.
Robust stainless steel construction resistant to corrosion and wear.
High-efficiency impeller design for optimal hydraulic performance.
Energy-efficient 380V three-phase motor suitable for industrial installations.
Low maintenance requirements and long operational lifespan.
Applications include: petrochemical fluid transfer, chemical processing, oil-water circulation, and industrial cooling systems.
Specifications and Models
The HWBZ 380V Exproof Centrifugal Pump is available in multiple models and configurations to meet a variety of industrial requirements:
| Model | Power (kW) | Flow Rate (m³/h) | Pressure (MPa) | Voltage (V) | Applications |
|---|
| HWBZ-1.5 | 1.5 | 5–10 | 0.6 | 380 | Small-scale industrial transfer |
| HWBZ-2.2 | 2.2 | 10–15 | 0.8 | 380 | Medium-scale liquid transfer |
| HWBZ-3.7 | 3.7 | 15–25 | 1.0 | 380 | High-pressure circulation |
| HWBZ-5.5 | 5.5 | 25–40 | 1.2 | 380 | Large-scale industrial pumping |
Key Technical Specifications:
Material: Stainless steel 304/316, corrosion-resistant alloys
Temperature Range: -20°C to +120°C
Maximum Pressure: 1.2 MPa
Protection Class: IP55
Explosion-Proof Class: Ex d IIB T4
The modular design allows flexible installation in horizontal or vertical positions, and the pump can be paired with various piping configurations to meet site-specific requirements.
Technical Services
1. Installation Support
Detailed manuals and wiring diagrams provided for safe and compliant installation.
On-site guidance available for explosion-proof area compliance.
Assistance with pump alignment, mounting, and piping connection.
2. After-Sales Support
Spare parts availability including impellers, seals, bearings, and motors.
Remote troubleshooting and technical consultation via phone or video.
Fast-response replacement services to minimize downtime.
3. Training Services
Operator training for safe and efficient pump use.
Maintenance staff training for periodic inspection, lubrication, and troubleshooting.
Updates on safety standards, energy efficiency practices, and regulatory compliance.
4. Warranty and Quality Assurance
Standard warranty covering manufacturing defects.
Pre-shipment inspection and certification verification.
Compliance with ISO 9001 quality management standards.
Packaging Specifications
Proper packaging ensures damage-free transport and compliance with international shipping standards.
Primary Packaging: Shock-resistant wooden crates with moisture-proof liners.
Internal Protection: Foam inserts or plastic wrapping to protect pump casing and components.
Labeling: Clear markings for model, voltage, flow rate, and hazardous material handling.
Export Compliance: Meets international shipping regulations for hazardous equipment.
Optional Packaging Services:
Customized pallets or crates for oversized installations.
Anti-corrosion coatings for long-distance or sea shipping.
Insurance coverage for transit damage protection.
Inspection and Testing Standards
The HWBZ 380V Exproof Centrifugal Pump undergoes rigorous inspection and testing to guarantee performance and compliance.
1. Factory Testing
Hydraulic performance testing to verify flow rate and pressure specifications.
Electrical testing including insulation resistance, motor load, and explosion-proof integrity.
Material inspection to confirm corrosion resistance and structural quality.
2. On-Site Verification
Pump alignment and vibration testing during installation.
Pressure and flow rate verification under operational conditions.
Explosion-proof certification check after installation.
3. Maintenance Testing
Periodic inspection of bearings, seals, and impellers.
Lubrication checks and motor performance assessment.
Annual comprehensive test for efficiency, pressure, and safety compliance.
| Test Item | Standard / Frequency | Purpose |
|---|
| Hydraulic Flow Rate | Every pump installation | Verify performance |
| Explosion-Proof Integrity | Factory and annual inspection | Ensure safety in hazardous environments |
| Material Corrosion Test | During production and QC checks | Guarantee long-term durability |
| Motor Electrical Test | Pre-shipment and on-site installation | Confirm electrical compliance and efficiency |
Advantages of HWBZ 380V Exproof Centrifugal Pump
Explosion-Proof Safety: Meets ATEX and IECEx standards for Zone 1 and Zone 2 hazardous areas.
Energy Efficiency: Optimized pump and motor design reduces operational energy consumption.
Durability: Corrosion-resistant stainless steel ensures long service life in harsh environments.
Reliable High-Pressure Operation: Designed to handle high-pressure fluid transfer safely and efficiently.
Comprehensive Support: Technical guidance, training, and after-sales services ensure trouble-free operation.
Applications
The HWBZ 380V Exproof Centrifugal Pump is suitable for multiple industrial applications:
Petrochemical Industry: Safe transfer of flammable liquids in hazardous zones.
Chemical Industry: Circulation of corrosive chemicals with reliable explosion-proof performance.
Oil & Gas Facilities: High-pressure oil-water circulation and pipeline support.
Industrial Plants: Cooling systems, lubrication circuits, and fluid transport.
Conclusion
The HWBZ 380V Exproof Centrifugal Pump combines high-pressure performance, explosion-proof safety, and energy efficiency for demanding industrial environments. With multiple models, rigorous inspection, and comprehensive technical support, it is an ideal solution for petrochemical, chemical, oil & gas, and industrial applications. Proper packaging, routine maintenance, and adherence to inspection standards ensure long-term reliability and operational safety, making HWBZ pumps a trusted choice for industrial liquid circulation in hazardous areas.
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