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Weatherproof Low Vibration Mixed Flow Pump for Fire Protection

  • Model: HW
  • Drive Mode: Pulley or Coupling
  • Diameter: 100~800mm
  • Outlet: Vertical or horizontal
  • Power: 2~300kw
  • Flow: 50~4000m³/h
  • Head: 2~18m
  • Material: Cast Iron or Stainless Steel
  • Delivery Time: 15~30days
  • Payment: T/T, LC, etc.

For customers seeking the epitome of reliability, our HW series mixed flow pump stands as a paragon of robust engineering. Designed with fire protection in mind, this Weatherproof Low Vibration Mixed Flow Pump is specially constructed to ensure optimum performance in the most critical scenarios.

 Submersible Axial Flow Pump-014Submersible Axial Flow Pump-007

Features & Advantages:

1. Weatherproof Design: Built to withstand external elements, this pump remains undeterred by adverse weather conditions, ensuring uninterrupted operations.


2. Low Vibration: With precision engineering, the HW series pump offers minimal vibrations, guaranteeing the steadiness and longevity of the machinery. This ensures smooth operations and reduces wear and tear.


3. Versatility: Suitable for transporting clear water or liquids with similar physical and chemical properties to water. Ideal for irrigation, industrial, and urban drainage applications.

 Submersible Axial Flow Pump-010

Specifications & Performance Range:


lConstruction: Horizontal, single-stage, single-suction pump with a front and rear door structure.

lStandards: Compliant with GB/T13008, JB/T6667 standards, ensuring a high-quality build and performance.

lCapacity: Ranges from 50 to 4500 m³/hr.

lHead: 3 to 20 meters.


Common Applications:

lFreshwater: Suitable for industries and farmland irrigation.

lSeawater: Used in seawater cultivation and desalination.

lAcids and Alkalis: Trusted in chemical and pharmaceutical factories.

lPetrochemicals: Ideal for oil refineries and natural gas pipelines.


Installation Methods:

lDirect Drive: Direct connection between pump & motor or diesel engine through a coupling. Compact in design but requires precise alignment.

lVariable Speed Drive: Connects via belt wheel or gear, allowing speed adjustments for varied requirements. Offers enhanced pump efficiency.

lVertical Installation: Perfect for locations with limited space or low water source.

lDrive Options: Choose between direct coupling drive and belt drive, powered either by an electric motor or a diesel engine, based on your specific requirements.


Customized Solutions & Services:

Our commitment extends beyond just selling a product. We understand that every client may have unique requirements. Hence, we offer:


1. Free installation drawings.

2. Remote installation guidance.

3. Tailored solutions including HW series motors, diesel engines, control cabinets, vacuum pumps, and support bases.

4. For comprehensive requirements, we also provide generator sets for the HW series, ensuring you have everything you need upon delivery.


With our HW series mixed flow pump, you are not just investing in a machine, but a promise of reliability, efficiency, and superior customer service. To discuss your specific needs or to get a customized quote, feel free to send us an inquiry today. Together, we'll ensure that you have the perfect solution for your fire protection needs.




Q: What makes the HW series mixed flow pump ideal for fire protection applications?

A: The HW series is designed with weatherproof features, ensuring functionality even in adverse conditions. Its low vibration characteristic ensures a steady flow, crucial for fire protection systems.


Q: How does the low vibration feature enhance the pump's lifespan?

A: Lower vibration levels reduce wear and tear on internal components, thereby extending the service life of the pump and minimizing maintenance needs.


Q: Is the HW series pump resistant to corrosion, especially when used in seawater applications?

A: Yes, the HW series pump is suitable for seawater applications, indicating its design accounts for corrosion resistance. Regular maintenance and checks are still advised for longevity.


Q: Can the HW series pump handle other liquids besides water?

A: Absolutely. It's designed to transport not only clear water but also liquids with similar physical and chemical properties, including certain acids, alkalis, and petrochemicals.


Q: How does the vertical installation method benefit users?

A: The vertical installation is space-efficient, making it ideal for locations with limited space or where the water source is low.


Q: For fire protection, what drive option is recommended: direct coupling drive or belt drive?

A: Both options have their merits. Direct coupling drive offers a compact design and immediate power transfer. Belt drive allows for speed adjustments. Depending on the specific requirements of the fire protection system, one may be preferable over the other.


Q: What is the operating temperature limit for the liquid being pumped?

A: The HW series pump is designed to handle liquids with temperatures not exceeding 50℃.


Q: Do you provide installation services or only remote guidance?

A: We provide free installation drawings and remote installation guidance. We aim to make the installation process as seamless as possible for our clients.


Q: Are there any additional components or accessories available for purchase with the HW series pump?

A: Yes, we offer a range of complementary products, including electric motors, diesel engines, control cabinets, vacuum pumps, and support bases. Generator sets are also available for a complete setup.


Q: What safety precautions are integrated into the HW series for fire protection?

A: The HW series is designed with the highest safety standards, compliant with GB/T13008 and JB/T6667. Its robust build, coupled with its weatherproof and low vibration features, ensures it operates reliably in emergency fire situations.


For any further queries or specific technical details, please don't hesitate to reach out to our expert team. We're here to ensure you get the best solutions for your needs.

Tuohai Pump Industry Co., Ltd
Since 1994, we have been offering services of the highest quality, combining our energy and enthusiasm.