PQ4/PQ8 Portable Fire Foam Gun
Mission-Critical Fire Suppression PQ4/PQ8 Portable Fire Foam Gun In the critical window between ignition and escalation, the PQ4 and PQ8 portable foam guns deliver decisive force. Engineered as frontline weapons against Class B liquid fires, these air-aspirating guns transform foam solution into...
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Ca-Fire Protection Co.,Ltd is one of the most credible manufacturers and suppliers of pq4/pq8 portable fire foam gun in China. Welcome to wholesale custom made fire equipment products at competitive price from our factory. Contact us for more cheap products.
Mission-Critical Fire Suppression

PQ4/PQ8 Portable Fire Foam Gun
In the critical window between ignition and escalation, the PQ4 and PQ8 portable foam guns deliver decisive force. Engineered as frontline weapons against Class B liquid fires, these air-aspirating guns transform foam solution into a dense, stable blanket that smothers fuel fires by sealing the surface, cutting oxygen, and suppressing vapor release.
From shipboard engine rooms and offshore platforms to tank farms and aircraft rescue operations, the PQ series provides rapid-response capability where fixed systems cannot reach.
The Dual-Platform Strategy: Choose Your Caliber
PQ4 excels in tight quarters and secondary suppression roles - lightweight enough for extended single-operator use.
PQ8 dominates open-deck and bulk-liquid scenarios, projecting a wider foam front with extended standoff distance for crew safety.
Both models operate at a standardized 0.7 MPa working pressure with a 6% induction ratio, ensuring seamless integration with your existing foam proportioning infrastructure.


Engineered for Performance: What Sets the PQ Series Apart
Air-Aspirating Excellence
Unlike standard water monitors, the PQ series employs a venturi-driven air intake system within the foam expansion barrel. This creates a low-expansion, high-stability foam (expansion ratio ≥6×) with a 25% drainage time exceeding 2 minutes - meaning the foam blanket stays where you put it, even on sloped or wind-exposed surfaces.
Aerospace-Grade Construction
The gun body is machined from anodized high-strength aluminum alloy, delivering an exceptional strength-to-weight ratio while resisting saltwater corrosion, hydrocarbon exposure, and UV degradation. Every component is built for the harsh realities of industrial and marine environments.
Human-Centric Tactical Design
Rapid-deployment coupling: KY65 standard interface for instant hose connection under pressure
Modular barrel assembly: Foam expansion tube detaches for compact storage and field cleaning
Balanced ergonomics: Center-of-mass optimized for reduced operator fatigue during sustained discharge
Technical Specifications
| Specification | PQ4 | PQ8 |
|---|---|---|
| Rated Working Pressure | 0.7 MPa | 0.7 MPa |
| Foam Solution Flow | 4 L/s | 8 L/s |
| Foam Concentrate Induction | 0.24 L/s | 0.48 L/s |
| Effective Foam Range | ≥24 m | ≥28 m |
System Integration
The PQ4/PQ8 guns are designed as terminal effectors within a complete foam delivery ecosystem. For optimal performance, pair with:
Mobile foam proportioning skids (3% or 6% ratio)
Medium-expansion foam generators for combined attack strategies
Dry powder systems for twin-agent applications on three-dimensional pressure fires
OUR CERTIFICATE:


Our address
NO.8, YUANFENG ROAD, MEIYUAN VILLAGE, KANGMEI TOWN, NANAN CITY, QUANZHOU CITY, FUJIAN CHINA
Phone Number
+86 18876525221
sales9@ca-fire.com

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