5.5kw 4hp 70m³/h 15m Explosion-Proof Submersible Sump Pumps submersible slurry pump Low Head High Discharge Pump For Sewage Water
The WQB145-10-7.5 is a robust and reliable submersible pump designed to handle a variety of applications, particularly suited for wastewater management, drainage systems, and industrial effluent disposal. With a maximum flow rate of 145 cubic meters per hour (m³/h) and a head of 10 meters, this pump is ideal for moderate fluid transfer tasks in both commercial and industrial settings. The WQB145-10-7.5 is powered by a 7.5 kW motor, ensuring efficient operation while maintaining low energy consumption.
| Model | Rated flow (m³/h) | Rated head (m) | Rated power (kw) | Synchronous
speed (r/min) | Outlet diameter (mm) |
| WQB70-15-5.5 | 70 | 15 | 5.5 | 3000 | 100 |
- Applicable to explosion-proof marked products in areas with explosion-proof requirements.
- Power supply voltage: 380V,400V,440V,460V,660V,50Hz,60Hz,customizable options are available.
- Transport medium temperature: 0-40°C (for temperatures exceeding this limit, alternative pump models suitable for hot water are available).
- PH value of transported medium: 4-10.
- Medium density: ≤1100Kg/m³.
- Maximum submersion depth: 10m.
When the explosive gas mixture in the flame-proof submersible sewage pump motor explodes, flame-proof shell shall not be damaged and the internal flame will not cause further explosion. The parts of explosive shell are tested by water pressure tests according to GB3836.2-2000 standard to ensure maximum internal pressure explosion.
The flame-proof submersible sewage pump is marked as ExdIIBT4/ExdIICT4, which is suitable for factory IIB/IIC class, temperature group is T1-T4 of combustible gas and explosive mixture of steam and air.The maximum surface temperature must adhere to the specifications outlined in the following list:
| 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.
FAQ
Q1: What material options are available for the WQB series pumps?
A: The overcurrent components of the WQB series pumps can be made from 304 or 316 stainless steel, duplex stainless steel, or high-chromium alloys. These materials offer excellent resistance to corrosion and wear, ensuring long-term use even in harsh conditions.
Q2: How do I place an order?
A: Send us an inguiry - Tell us your needs and usage scenarios - Customize drawings and samples - Discuss details - Modify and confirm - Sign a contract/Deposit - Mass production - Final payment and delivery - Further cooperation.
Q3: How to transport?
A: We have a variety of transportation options. If there is a port in your area, sea transportation is an economical choice. If you are in a hurry to use it, we can ship it by air for you. If you don’t have your own freight forwarder, we can contract the relevant work from departure to arrival at the destination port.
Q4: How do you perform routine maintenance on the WQB series pumps?
A: Routine maintenance involves regular inspections of seals, bearings, and other critical components. It is recommended to establish a maintenance schedule based on specific application conditions and replace parts with OEM-recommended components to ensure optimal performance.
Q5: What guarantees do I have when buying your products?
A: Our after-sales service implements the "2-4-24 standard". 2-hour response, telephone remote guidance within 4 hours, and solutions within 24 hours. If there is a need, we can provide door-to-door after-sales service.
Q6: I want to be your dealer, what are the conditions?
A: No problem at all, dear, it is recommended that you purchase a sample first to try it out. If you have any special needs and modification suggestions, our technical team is at your service at any time. Looking forward to our further cooperation!
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4hp 70m³/H Submersible Water Pump For Dirty Water 5.5kw 15m RAL 5005 Color Images
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