Our Products
Fire Suppression Solutions Built for Real-World Performance. Protection engineered by people who understand fire.
Every environment presents unique challenges, and dependable protection starts with understanding those realities. Knight Fire designs and builds fire suppression systems for the industries, equipment, and operations where reliability matters most.
Protection Isn't One-Size-Fits-All.
No two operations face the same risks. That's why Knight Fire offers a range of fire suppression solutions designed to meet the demands of different industries, equipment, and environments.
From compact compressed air foam systems to large-scale mobile suppression units, every product is built with the same commitment to quality, practical engineering, and dependable performance.
Whether you're protecting heavy equipment, facilities or critical infrastructure, our team can help you find the right solution for your application.
Our Products
On Guard™
Our largest fire suppression designed for demanding oilfield and industrial operations.
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Armor™
Rapid-response suppression system for equipment, facilities, and high-risk environments.
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Defender™
Knight Fire's entry-level fire protection solution for basic, initial knockdown.
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Foam™
High-performance fire suppression foam formulated for dependable performance.
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On Guard™
Powerful Protection for Large-Scale Equipment.
From large-scale operations to compact, space-conscious applications, On Guard™ Continuous Compressed Air Foam (CCAF) Series delivers dependable fire suppression built to perform where reliability matters most.
onGuard Iso and On Guard are best for
Heavy Equipment
Multiple zone protection and large scale operations or coverage span.
Oil & Gas
Industrial Applications
Data centers
Large footprint facilities.
Automatic or manual deployment with greater GPM flow demand.
Continuous uninterrupted Compressed Air Foam for extended operations.
Products
On Guard™ ISO (STU) (CCAF)
Our largest Fire Suppression System utilizes our OnGuard FSU with dual rear-mounted hose reel attack lines and on-board water and foam storage tanks.
Learn More → On Guard™ (SAU) (CCAF)
Engineered for rapid activation, deployment, and dependable operation, it's ideal for equipment, structures, vehicles, and applications where space is limited.
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On Guard™ Compact (TTU) (CCAF)
A smaller, compact version of the original OnGuard for use with supplied or stored water. Best suited for smaller applications.
Learn More →Armor™
Mobile Fire Protection Built for Demanding Environments.
From large-scale emergency response to compact, space-conscious applications, the Armor Series™ Compressed Air Foam (CAF) delivers mobile or stationary compressed air foam fire suppression systems built to perform where reliability matters most. Whether you need maximum firefighting capability or a highly portable solution, there's an Armor system designed for your operation.
Best For
Industrial Sites
Construction
Emergency Response
Remote Operations
Products
Armor™ (CAF)
A self-contained 60-gallon Compressed Air Foam (CAF) mobile fire suppression system. Designed for portable, manual fire suppression, Armor™ mounts mobile, stationary, or trailer-mounted, and includes a hose reel for manual extinguishment.
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Armor Slim™ (CAF)
A narrower, space-saving version of the Armor™ Compressed Air Foam (CAF) system. Armor Slim™ uses dedicated nozzle placement with hardline stainless steel plumbing for automatic deployment (no hose reel required).
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Armor Mini™ (CAF)
The cost-effective, dependable 15-gallon Compressed Air Foam (CAF) unit is ultra-portable or stationary, with the most versatile mounting options due to its small size. Multiple units can be installed together for greater protection across specific assets and operations.
Learn More →Defender™
Knight Fire's Entry-Level Fire Protection.
Defender™ is Knight Fire's entry-level fire protection solution for basic, initial knockdown. Universal-mounted and automatically deployable, it uses a 150 PSI pressurized suppression solution rather than Compressed Air Foam (not a CAF or CCAF unit).
Learn More →Industrial Facilities
Commercial or residential target-specific protection.
Can be mounted vertically or horizontally.
Compare Knight Fire Solutions
Every operation is different. Compare our fire suppression systems to find the solution that best fits your equipment, environment, and operational needs.
Product
Best for
Suppression System
Ideal Applications
OnGuard™
Large-scale mobile, stationary, or trailer-mounted protection with continuous foam production
Continuous Compressed Air Foam (CCAF)
Industrial facilities, oilfield operations, data centers, and heavy equipment requiring manual or automatic fire suppression
OnGuard
Compact
Coming Soon — Continuous foam production in a smaller footprint, with mobile or stationary mounting
Continuous Compressed Air Foam (CCAF)
Mobile equipment and space-limited installations using supplied or stored water
Armor
Large-scale mobile, stationary, or trailer-mounted protection with manual hose-reel operation
Compressed Air Foam (CAF)
Industrial facilities, municipal operations, and equipment where operators need to direct foam onto a fire
Armor Slim
Automatic mobile or stationary equipment protection in a narrow footprint
Compressed Air Foam (CAF)
Equipment and tight-space installations requiring dedicated nozzles and hardline stainless-steel plumbing, without a hose reel
Armor Mini
Ultra-portable protection with flexible mobile or stationary mounting
Compressed Air Foam (CAF)
Rapid response and protection for specific assets, with multiple units installable where greater protection is needed
Defender
Simple, cost-effective mobile or stationary protection for basic initial fire knockdown
150psi Pressurized Suppression Solution
Equipment and installations needing an entry-level system with universal mounting and automatic deployment
Need help choosing?
Talk with our team →FAQs
Which fire suppression system is right for my operation?
Every application is different. Our team will help evaluate your specific situation, equipment, environment, and fire risks to recommend the solution that best fits your operation.
Can Knight Fire customize a fire suppression solution?
Yes, that is our specialty. We regularly tailor our systems to meet the specific requirements of different industries, equipment, and operating environments because dependable protection starts with understanding the application.
Which industries do Knight Fire products serve?
Our systems protect operations across oil and gas, industrial manufacturing, emergency response, forestry, utilities, municipalities, agriculture, data centers, and many other demanding environments.
Are Knight Fire systems built for remote or harsh environments?
Absolutely. Our products are engineered to perform in real-world conditions where reliability matters most, including remote worksites, extreme weather, and high-risk industrial environments.
What makes Knight Fire different?
Our products are designed by people with decades of fire service experience who understand how fire behaves and what's truly at stake. We don't simply manufacture equipment. We engineer efficient, dependable protection around real-world challenges.
Let's Find the Right Protection for Your Operation.
Whether you're protecting a single piece of equipment or an entire fleet, our team is ready to help you identify the fire suppression solution that fits your needs.