WQB 132kw High - power Industrial Explosion - proof Submersible Pump: Boasting Ultra - large Flow for Gas and Petrochemical Sewage Disposal

The WQB series is predominantly applied in factories classified as IIB/IIC level, including those in the coal chemical and petrochemical industries, as well as other locations with stringent explosion - proof requirements. Tailored to diverse demands and applications, it offers customization options in terms of flow rate, head, and material, ensuring that it can effectively address a wide array of specific needs.
Every product within this series incorporates the innovative "No overload at any point" technology. This not only guarantees superior quality but also significantly extends the service life, making the WQB series a reliable and durable choice for various industrial scenarios.


No. | Model | Rated flow (m³/h) | Rated head (m) | Rated power (kW) | Synchronous speed (r/min) | Efficiency (%) | Outlet diameter (mm) |
1 | WQB600-50-132 | 600 | 50 | 132 | 1500 | 70 | 200 |
2 | WQB500-60-132 | 500 | 60 | 132 | 1500 | 69 | 200 |
3 | WQB800-35-132 | 800 | 35 | 132 | 1500 | 69.8 | 250 |
4 | WQB1000-30-132 | 1000 | 30 | 132 | 1500 | 80 | 300 |


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This product is suitable for explosion - proof marked applications in areas where explosion - proof requirements are mandatory.
Power Supply
The power supply voltage options include 380V, 400V, 440V, 460V, 660V, with frequencies of 50Hz or 60Hz. Custom - tailored voltage and frequency configurations can also be arranged upon request.
Transport Medium Temperature
The temperature of the transported medium should range from 0°C to 40°C. In cases where the temperature exceeds this range, alternative pump models specifically designed for handling hot water are available.
PH Value of Transported Medium
The pH value of the medium being transported should fall within the range of 4 - 10.
Medium Density
The density of the medium must be ≤1100 Kg/m³.
Maximum Submersion Depth
The maximum allowable submersion depth is 10m.

This explosion-proof submersible sewage pump is marked with explosion-proof certifications ExdbIIBT4Gb / ExdIICT4Gb. It is suitable for use in factory environments classified as IIB/IIC, with combustible gas or vapor forming explosive mixtures with air within temperature groups T1-T4.The maximum surface temperature of the unit must comply with the specifications in the table below.
Temperature Group | T1 | T2 | T3 | T4 |
Maximum surface temperature | 450 | 300 | 200 | 135 |



- The flow parts adopt QBQ surface treatment process, which has excellent wear and corrosion resistance.
- The thickened impeller, pump body, and pump cover effectively extend the service life of the components.
- Suitable for long-term use in environments with corrosive liquids and abrasive particles (such as sediments and gravel).
- The bottom inlet and bottom outlet design ensures strong clogging resistance and high flow capacity, making it suitable for a wider range of applications.
- Simple strcuture, lightweight, easy to install and maintain.
- The pump equipped with cooling jacket, which has high heat dissipation efficiency,could not fully submerged in the medium.




Q1: What if the model I need isn't listed in your catalog?
A: We're more than happy to accommodate customizations. This encompasses aspects such as flow rate, head, material, and function, among others. Simply share the relevant details with us, and our professional technical team will promptly furnish you with comprehensive plans and detailed drawings.
Q2: How do I place an order?
A: Here's the step - by - step process:
- Send us an inquiry.
- Clearly communicate your requirements and the intended usage scenarios.
- We'll customize the drawings and, if necessary, provide samples.
- Engage in a detailed discussion.
- Make any required modifications and confirm the details.
- Sign a contract and pay the deposit.
- Commence mass production.
- Settle the final payment, and we'll arrange for delivery.
- Look forward to further cooperation.
Q3: What are the transportation options?
A: We offer a diverse range of transportation choices. If there's a port near your location, sea freight presents a cost - effective solution. In case of urgent need, we can also arrange air freight for you. Moreover, if you don't have your own freight forwarder, we can handle all aspects of the shipping process, from the point of origin to the destination port.
Q4: Why should I choose your company?
A: Since 2005, ATPUMP has been collaborating with leading domestic experts in product development and upgrading. To date, we've been involved in thousands of projects and have partnered with numerous major domestic undertakings. In China, we hold the distinction of being the sole manufacturer capable of producing products ranging from 1.5 - 4500kW. Our status as the preferred choice for many domestic companies and projects is a testament to our robust technical capabilities and unwavering quality assurance.
Q5: What assurances do I have when purchasing your products?
A: Our after - sales service adheres to the "2 - 4 - 24 standard". We guarantee a 2 - hour response time. Within 4 hours, we'll provide telephone - based remote guidance, and we'll offer a comprehensive solution within 24 hours. If circumstances demand, we can even provide on - site after - sales service.
Q6: I'm interested in becoming your dealer. What are the requirements?
A: That's great news! We recommend that you start by purchasing a sample for evaluation. If you have any unique requirements or modification ideas, our technical team is at your disposal around the clock. We're excited about the prospect of a mutually beneficial partnership!