The single-phase explosion-proof electric oil pump has undergone strict temperature and shock resistance tests, and the protection level is IP55. The oil pump can run continuously, mechanical seal, anti-corrosion coating, built-in bypass protection valve, high quality, safe and reliable. Use household electricity, super self-priming, fast refueling, install bottom valve with filter, clean diesel. The pump is exquisitely designed, suitable for all kinds of construction machinery, and overcomes the difficulty of refueling on the construction site.
1. For gasoline, diesel, kerosene, gasoline methanol;
2. Vane pump, corrosion-resistant oil seal, safe and reliable;
3. Cast iron pump body, anti-corrosion coating;
220V explosion-proof motor IP55
4. Built-in 100 micron filter, easy to clean;
5. Cast aluminum motor, protection grade IP55;
6. Continuous operation;
7. Built-in relief valve
| Technical Specification | ||||||||
Model | Size(mm) | Flow(L/min) | Head(m) | Power(KW) | Valtage(V) | Speed(rpm) | Material | Impellererial |
DYB-150EX | 32 | 150 | 15 | 0.75 Explosion-Proof | 220 | 1450 | Cast Iron | Powder Metallurgy/Copper Impeller |
| DYB-80EX | 32 | 150 | 20 | 1.1 Explosion-Proof | 220 | 2900 | Cast Iron | Copper Impeller |
DYB150 Ex Portable Large Flow Explosion-Proof Series
The DYB150 Ex Portable Large Flow Explosion-Proof Series represents a cutting-edge solution for industries requiring high-capacity, safe, and reliable fluid transfer in potentially hazardous environments. With an emphasis on explosion-proof design, portability, and operational efficiency, this pump series is widely used in chemical processing plants, oil and gas facilities, municipal water management, and industrial construction sites.
This article covers its product certification, structural design, operational precautions, and maintenance cycles, providing detailed insights for engineers, procurement managers, and industrial operators.
Ensuring compliance with international safety and quality standards is paramount for explosion-proof equipment. The DYB150 Ex Series adheres to:
| Certification | Description | Applicability |
|---|---|---|
| ATEX | European Union certification for equipment used in explosive atmospheres | Chemical, oil, gas industries |
| IECEx | International certification for explosion-proof electrical equipment | Global industrial operations |
| ISO 9001 | Quality management system compliance | Manufacturing, production, and supply chain control |
| CE Marking | Compliance with EU safety, health, and environmental standards | Europe market |
These certifications ensure that the DYB150 Ex Series is compliant with global safety regulations, allowing its use in hazardous zones while minimizing operational risk.
The structural integrity of the DYB150 Ex Series is engineered to provide durability, safety, and ease of use.
Explosion-Proof Motor
Enclosed motor housing prevents sparks or overheating in flammable environments.
Rated for continuous operation under high load conditions.
Pump Casing
High-strength cast iron or stainless steel material for durability and chemical resistance.
Designed for high flow rates and smooth fluid handling.
Impeller System
Precision-engineered to minimize cavitation and maximize efficiency.
Available in single or multi-stage designs depending on application requirements.
Sealing Mechanism
Double mechanical seals prevent leakage.
Suitable for handling corrosive or hazardous liquids.
Portability Features
Integrated wheels and ergonomic handles for easy transport across industrial sites.
Compact footprint while maintaining large flow capacity.
| Parameter | Specification |
|---|---|
| Flow Rate | Up to 150 m³/h |
| Maximum Head | 50 meters |
| Motor Power | 22 kW – 37 kW |
| Voltage | 380V / 3-phase explosion-proof |
| Inlet/Outlet Diameter | 150 mm |
| Material | Stainless Steel / Cast Iron |
| Protection Class | IP68 |
To ensure safety and prolong the life of the DYB150 Ex Series, operators must adhere to the following precautions:
Installation Site
Ensure the installation site is free from obstacles and allows proper ventilation.
Avoid exposure to extreme temperatures beyond the pump’s rated limits.
Electrical Safety
Confirm compatibility with the voltage and phase specified on the pump rating plate.
All electrical connections must be performed by certified technicians.
Flammable Liquids Handling
Always use the pump in areas compliant with explosion-proof zoning.
Avoid dry running to prevent motor overheating and seal damage.
Transport and Setup
Use proper lifting equipment to prevent structural damage.
Verify alignment and secure connections before operation.

Regular maintenance is essential for the safe and efficient operation of the DYB150 Ex Series.
| Maintenance Interval | Tasks | Notes |
|---|---|---|
| Daily | Check for leaks, unusual vibrations, or noise | Record in operational log |
| Weekly | Inspect mechanical seals, tighten bolts, inspect cable insulation | Replace damaged components immediately |
| Monthly | Lubricate bearings, verify impeller condition | Ensure compliance with manufacturer guidelines |
| Quarterly | Electrical inspection, performance testing | Certified electrician recommended |
| Annually | Full disassembly for detailed inspection, part replacement as needed | Align with ISO and IECEx compliance checks |
Proper maintenance extends service life, reduces downtime, and ensures operational efficiency while maintaining explosion-proof safety standards.
The DYB150 Ex Series is ideal for:
Chemical and Petrochemical Plants: Safe transfer of volatile liquids.
Oil and Gas Industry: Handling hydrocarbons in hazardous zones.
Municipal Water and Wastewater Systems: Efficient pumping in treatment plants.
Industrial Construction Sites: High-capacity fluid transfer for dewatering and site support.
Its combination of large flow, portability, and explosion-proof design makes it versatile across multiple sectors.
The DYB150 Ex Portable Large Flow Explosion-Proof Series offers a robust, safe, and efficient solution for demanding industrial environments. With its certified explosion-proof design, durable structure, and user-friendly maintenance cycle, it ensures reliability and safety in critical operations. Proper adherence to installation guidelines, operational precautions, and regular maintenance maximizes performance and lifespan, making it a valuable investment for industrial fluid transfer applications.


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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