450kw 330hp 100m³/h 765m head BQ series high voltage explosion proof submersible electric pump high head Efficient

The BQ series submersible pump is a high-performance drainage device designed for extreme working conditions, widely used in mining, tunneling, and municipal engineering. Its advanced fluid optimization technology, combined with a high-efficiency motor, ensures stable operation even under high-head and large-flow conditions. The pump body is made of ultra-wear-resistant alloy, offering excellent abrasion and corrosion resistance for complex media containing sand and mud. The motor features multiple seals and overheating protection, enhancing safety and extending service life. With intelligent management capabilities, the BQ series allows real-time remote monitoring of operational status, reducing maintenance costs. Its compact design and lightweight structure make installation and transportation more convenient. Whether for routine drainage or emergency rescue, the BQ series submersible pump delivers exceptional performance and reliability, earning the trust of industry users.

• Medium: PH 4-10
• Environmental temperature: ≤50°C
• Solid Content: ≤10%
• Installation type: vertical, horizontal or inclined
• Submergence depth: ≤1000m, but the minimum submerged water level should not be below the upper plane of the discharge flange of the check valve.
• Can be customized based on the user's specific operating environment.

This series of products is designed and manufactured in accordance with GB3836.1-2010 Explosive Environment.

Part 1: General requirements for equipment and GB3836.2-2010 Explosive Environment;
Part 2: Equipment protected by flameproof enclosure "d" Standard regulations, explosion-proof type is flameproof type, flameproof mark Exdl, suitable for normal production drainage of mines containing explosive gas environments such as methane or coal dust, and emergency rescue and drainage of permeable mines, drainage and mine restoration.

• The impeller features a back-facing structure, achieving axial force balance, stable operation, and extended service life.
• Suitable for horizontal, inclined, and vertical installation scenarios.
• Equipped with a high-efficiency hydraulic model for enhanced pump efficiency.
• Designed with a water-filled motor and self-circulating water cooling system for effective heat dissipation.
• No overload at any head points design ensures safe operation.
• Key components are made of wear-resistant ZG1Cr13Mo material, extending service life and reducing pump lifting and disassembly frequency.

FAQ
 

Q1: What if the model I need is not in your catalog?
A: We can accept customization, including but not limited to flow rate, head, material, function, etc. You only need to tell me the relevant information, and we have a professional technical team to provide you with plans and drawings.

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: Why choose you?
A: ATPUMP has been working with top domestic experts to develop and upgrade products since 2005. So far, it has participated in thousands of projects and cooperated with many major domestic projects. In China, we are the only one that can manufacture 1.5-4500kW products. We are the first choice for many domestic companies and projects, which proves that we have sufficient technical strength and quality support.

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!