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STRUCTURAL FIRES
Structural Fire Suppression with HEN® BLADE™ Nozzle Technology
Structural Fires Today
Why Modern Structural Fires Burn Faster
Modern fires spread faster than ever before due to synthetic materials in furnishings, interior finishes, and the growing use of lithium-ion batteries. These batteries, found in electronics, power tools, and electric vehicles, can reach thermal runaway and explode within 15 seconds of smoke detection. Firefighters need advanced tools to combat these high-intensity fires effectively.
Structural Fires
WHAT'S NEEDED
Surface Cooling, Coverage, & Gas Cooling
Big Droplets
Surface cooling
Low coverage
Low gas cooling
Small Droplets
Low surface cooling
Area coverage
Gas cooling
Big Droplets + Spread
Surface cooling
Wide area coverage
Gas cooling
Traditional smoothbore nozzles deliver large water droplets that excel at surface penetration, but they fall short on coverage and provide minimal gas cooling. On the other hand, fog nozzles offer wide coverage, yet their small droplets evaporate quickly and fail to penetrate surfaces for effective cooling. The ideal solution combines the penetration power of big droplets with the broad spread needed for complete fire suppression.
HEN BLADE Nozzle
The Ultimate Solution for Structural Fire Suppression
The HEN BLADE nozzle is the only firefighting nozzle engineered to deliver large penetrating water droplets for superior surface cooling and effective gas contraction. Unlike traditional options, the BLADE combines the reach and penetration of smoothbore nozzles with the wide coverage of fog nozzles, ensuring maximum fire control. Its unique in-line BLADE pattern enables rapid knockdown and creates survivable space, making it an essential tool for modern structural firefighting.
Wide Pattern
+
Tight Pattern
The BLADE™ combination nozzle provides wide when you need coverage and tight when you need focus
HEN BLADE Nozzle Pattern Demonstration
Precision Fire Suppression: HEN BLADE 160 in Action
High-Flow Fire Suppression: HEN BLADE 265 in Action
Hydraulic Ventilation: The HEN BLADE FORCE™ in Action
Structure Fire Demonstration
IN ACTION
Structure Fire Demonstration
Two Room Fire with Vent
Nozzle Type Equiped
BLADE™ 160GPM @ 50PSI
Fire Behavior
Flashover Bedroom 4
Flashover Bedroom 3
Hallway fully involved with fire.
Venting Conditions
Bedroom 4 (Left) vented
Bedroom 3 (Right) non vented
Total Water Applied
110 Gallons for total suppression
Vent Plan
Open lower panes of Bedroom 4 windows. Allow top portion to self vent
Ignition Plan
Bedroom 3 lit slightly before Bedroom 4.
Floorplan
Structure Fire Demonstration
One Room Fire with Vent
Nozzle Type Equiped
BLADE™ 160GPM @ 50PSI
Fire Behavior
Flashover Bedroom 2
Rollover in the hallway.
Hoseline called early due to threat to powerlines near the vent windows.
Venting Conditions
Bedroom 2 vented
Total Water Applied
95 Gallons for total suppression.
Vent Plan
The windows on the Bravo side of the building will be open.
Floorplan
Structure Fire Demonstration
One Room Fire Unvented
Nozzle Type Equiped
BLADE™ 160GPM @ 50PSI
Fire Behavior
Flashover Bedroom 1
Roll over into the living room space
Venting Conditions
Bedroom 1 unvented
Total Water Applied
60 Gallons for total suppression
Vent Plan
The room will remain unvented until knockdown is achieved.
Floorplan
Structure Fire Demonstration
Two Room Fire Transitional Attack
Nozzle Type Equiped
BLADE™ 160GPM @ 50PSI
The BLADE™ pattern is adjusted to narrow and horizontal
Fire Behavior
Flashover dining room & kitchen.
Rollover into the living room almost to the front door.
Venting Conditions
Dining room vented
Kitchen vented
Total Water Applied
115 Gallons for total suppression.
Vent Plan
One window into the dining room will be taken the other will be boarded over.
Attack Plan
10-15 seconds of water. Exterior attack then move in for final extinguishment. The line will start shallow and then move to an elevated angle of attack.
Floorplan
Structure Fire Demonstration
Large Area Fire
Nozzle Type Equiped
BLADE™ 160GPM @ 50PSI
The BLADE™ is horizontal
Fire Behavior
Flashover in the Garage and
Living Room
Heavy fire in the Dining Room
Conditions
Larger room with approximately 560 square feet flashed over.
15' wide x 35' deep
Total Water Applied
105 Gallons for total suppression
Vent Plan
Garage and living room are combined into one large room.
The front door is open.
The door from Bedroom 3 is open
Floorplan
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