

What are HOWO dry powder and foam fire truck?
The HOWO dry powder and foam fire truck is a "multi-purpose" vehicle that integrates the dual functions of a foam fire truck and a dry powder fire truck. Compared with fire trucks that use a single extinguishing agent, its most notable feature is the ability to apply foam and dry powder simultaneously or alternately, enabling it to handle more complex fire scenarios.

Main Parameters of the HOWO Dry Powder and Foam Fire Tender:

| Chassis | HOWO 6×4 |
| Engine | WEICHAI 336HP, diesel engine |
| Water tank capacity | 10000 liters |
| Foam tank capacity | 1000~2000 liters |
| Powder tank capacity | 0.5~3 CBM |
| Fire pump flow | 60 L/s @1.0MPa |
| Fire monitor flow | Water≥70m / foam≥65m / Powder: 30kg/s |
Structure of HOWO foam powder fire engine
The HOWO heavy-duty powder and foam fire vehicle typically consists of the following components:
1)HOWO 6×4 chassis; 2) Crew cab; 3) Power take-off (PTO) and transmission device; 4) Tanks; 5) Equipment compartment; 6) Fire pump; 7) Fire monitor; 8) Dry powder system; 9) Piping system; 10) Firefighting equipment, etc.

Working principles:
The core of the HOWO powder foam firefighting truck lies in its two independent fire extinguishing systems:
1. Foam System: The fire pump mixes water with foam concentrate and aerates the mixture to produce foam, which is then discharged to cover the fire source.
2. Dry Powder System: High-pressure nitrogen is used as a propellant to rapidly discharge dry powder extinguishing agent from the dry powder tank.
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Applicable Scenarios for the HOWO Heavy-Duty Fire Pumper Truck:
The unique combination of the HOWO dry powder and foam fire truck makes it an ideal choice for the following scenarios:
• Petrochemical enterprises
• Airports and docks/ports
• Large factories and mines, warehousing and logistics
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