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QZG3.5/7.5 Series Fixed-Flow DC Jet Fire Water Gun

(Basic Straight-Spray Tool for Simple Fire Suppression & Routine Flushing)

 

1. Product Name & Positioning

 

Full Name: CA-Fire QZG3.5/7.5 Series Fixed-Flow DC Jet Fire Water Gun (Aluminum Alloy, 0.35MPa Working Pressure, 7.5L/S Fixed Flow, ≥28m Range, 1.5"/2.5" Coupling)

Abbreviation: CA-Fire QZG3.5/7.5 DC Jet Fire Water Gun

Core Positioning: A simple, reliable fixed-flow straight-spray tool-fundamentally different from previous adjustable multifunctional Water Gun (e.g., QLD6.0/10III-BF foldable model,QLD6.0/8III foam sleeve model). It abandons multi-spray modes and flow adjustment functions, focusing exclusively on straight jet water output for basic scenarios (e.g., small-scale Class A fires,routine flushing) where complex adjustments are unnecessary. With ultra-low working pressure,lightweight design and simplified structure, it fills the gap of "basic,cost-effective straight-spray use"-ideal for small businesses,property management,construction sites and emergency backup needing straightforward, low-maintenance fire protection.

 

2. Core Product Advantages (Key Differences from Adjustable Multifunctional Water Guns)

 

1. Fixed Flow + Single DC Jet Mode: No Complex Adjustment

Unlike multifunctional models (multi-spray modes,flow gear adjustment), this gun prioritizes simplicity:

Only DC jet mode: No mist,blooming or foam mixing functions-focuses on concentrated straight water column for penetrating small solid fires (e.g., wooden shelves,cardboard stacks) or direct flushing. The fixed 7.5L/S flow avoids operational errors from improper gear selection (common in multifunctional models).

No adjustment components: Removes flow knobs,spray mode switches and mist wheels, reducing 30% of moving parts. This eliminates malfunctions from component wear (e.g., stuck knobs,leaking seals) and lowers maintenance needs-solving the "complex structure failure" issue of adjustable guns.

2. Ultra-Low Working Pressure (0.35MPa): Adapt to Low-Pressure Water Sources

A critical difference from adjustable models (7bar/0.7MPa working pressure):

Requires only 0.35MPa (3.5kg) water pressure to achieve rated flow and ≥28m range-compatible with low-pressure water sources (e.g., small portable pumps,residential water pipelines) where high-pressure models can't work. Multifunctional guns need 7bar pressure to reach full performance, limiting their use in low-pressure scenarios.

Stable output under low pressure: Even if water pressure fluctuates slightly (±0.05MPa), the jet range remains consistent-no performance drop like adjustable models (which rely on sufficient pressure for multi-mode switching).

3. Lighter Weight + Simplified Structure: Easier to Operate & Maintain

Optimized for basic use with minimal burden:

1.5kg net weight: 30% lighter than the foldable multifunctional model (2.13kg) and 17% lighter than the foam sleeve model (1.8kg)-one person can hold it for extended periods without fatigue, suitable for untrained operators (e.g., property staff,construction workers).

Simplified design: No foldable parts,no complex internal flow channels-integral aluminum alloy body with laser-engraved logo (no easily worn stickers). The stainless steel filter at the inlet is the only vulnerable component, making routine checks faster (just clean the filter, no need to inspect adjustment mechanisms).

4. Durable & Cost-Effective: Reliable for Basic Needs

Retains core durability while reducing unnecessary functions:

Aluminum alloy 6061 T6 body: Anodized anti-corrosion treatment (same as multifunctional models), passing 300-hour salt spray tests-suitable for indoor/outdoor basic use.

Fixed-flow stability: The internal flow channel is calibrated for 7.5L/S fixed output, with no pressure loss from adjustment valves (common in multifunctional models). Service life extends to 8-10 years, 20% longer than adjustable models (which suffer from wear on adjustment components).

 

3. Detailed Technical Parameters (Comparison with Adjustable Multifunctional Water Guns)

Parameter Category	CA-Fire QZG3.5/7.5 DC Jet Gun	CA-Fire QLD6.0/10III-BF Foldable Multifunctional Gun	CA-Fire QLD6.0/8III Foam Sleeve Gun
Model Number	QZG3.5/7.5	QLD6.0/10III-BF	QLD6.0/8III
Core Feature	Fixed flow,single DC jet	Adjustable 5-speed,multi-spray modes,foldable	Adjustable 4-speed,water/foam dual-use
Working Pressure	0.35MPa (3.5kg)	7bar (0.7MPa)	7bar (0.7MPa)
Flow Rate	7.5L/S (fixed)	1.9-10L/S (adjustable)	1.9-7.9L/S (adjustable)
Spray Modes	Only DC jet	DC jet,blooming,mist,flushing	DC jet,blooming,mist,foam
Net Weight	1.5kg	2.13kg	1.8kg
Key Application	Basic small fires,routine flushing	Precision fire suppression,fine cleaning,narrow spaces	Versatile fire suppression (water/foam)

 

4. Applicable Scenarios

 

Basic Fire Suppression: Small-scale Class A fires (e.g., office paper,wooden scraps,grass fires)-the concentrated DC jet penetrates flames to cool burning materials, no need for complex mode switching.

Routine Flushing: Daily cleaning of floors,equipment exteriors,outdoor spaces (e.g., construction site dust,parking lot stains)-fixed flow meets basic flushing needs without water waste.

Low-Pressure Water Sources: Small portable fire pumps,residential/municipal low-pressure pipelines-works normally at 0.35MPa, while adjustable multifunctional models lack sufficient pressure for full performance.

Backup & Basic Equipment: Small shops,rural households,construction site temporary facilities-cost-effective, easy to store and use without professional training.

 

5. Frequently Asked Questions (FAQ) 

 

Why is this gun not adjustable, and when should I choose it?It's designed for scenarios where "simple straight spray" is enough-no need for mist,foam or flow adjustment. Choose it if you only need to handle small fires or routine flushing, and prefer low maintenance,low pressure requirements (e.g., rural areas with unstable water pressure,untrained operators).

How does it compare to adjustable multifunctional guns in performance?

It has no multi-spray modes or flow flexibility, but offers: ① Lower pressure demand (0.35MPa vs. 7bar); ② Lighter weight (1.5kg vs. 2.13kg); ③ Fewer failure points (no adjustment components). For complex fires or precision use, choose multifunctional models; for basic needs, this gun is more reliable and easier to operate.

Can it be used with foam mixtures like the QLD6.0/8III model?No. It lacks foam mixing structures and compatible sleeves-only supports pure water jet. For foam suppression, you must choose the foam sleeve-equipped multifunctional model; this gun is exclusively for water spray.

What maintenance does it require compared to adjustable guns?Virtually no special maintenance: ① After use, flush the inlet filter to remove impurities; ② Store in a dry place to avoid corrosion. No need to check adjustment knobs,seals or mist wheels (required for multifunctional models), reducing maintenance time by 80%.

 

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