DN50 DN65 Russian Water Gun Fire Hose Nozzle With GOST Coupling For Fire Protection System
Why Is It The "High-Pressure Sword" In Firefighters' Hands? KY50/KY65 Fire Hose Nozzle This aluminum alloy straight stream branch pipe nozzle is specially designed for DN50/DN65 fire hoses. Made of high-strength aluminum alloy in one-piece molding, it is the core component for accurate...
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Ca-Fire Protection Co.,Ltd is one of the most credible manufacturers and suppliers of dn50 dn65 russian water gun fire hose nozzle with gost coupling for fire protection system in China. Welcome to wholesale custom made fire equipment products at competitive price from our factory. Contact us for more cheap products.
GOST-Compliant Design, Seamless Integration with Fire Systems
Russian Straight Stream Fire Water Gun: High-Efficiency Nozzle Built for GOST Fire Protection Scenarios
This Russian-style straight stream fire water gun is purpose-built to match the mainstream fire coupling standards of Russia and CIS regions, available in two standard sizes: DN50 (Model QZ51) and DN65 (Model QZ66). It connects directly to GOST-standard fire hoses and hydrants without extra adapters, drastically cutting down setup time during emergencies.
The coupling end features a dual-seal structure with both an interface gasket and a groove gasket, creating a reliable leak-proof barrier even under high-pressure conditions. Every critical dimension is machined to tight GOST tolerances, ensuring universal compatibility with matching fire equipment. Whether for municipal fire brigades, industrial facilities, or large commercial complexes, this nozzle integrates flawlessly into existing fire protection systems.
Aerospace-Grade Aluminum Alloy: Lightweight Yet Built to Last
The entire gun barrel is precision-crafted from high-strength aluminum alloy, weighing over 40% less than traditional cast iron nozzles. This significant weight reduction minimizes operator fatigue during extended use, boosting maneuverability in high-stress firefighting scenarios.
A specialized surface treatment delivers exceptional resistance to corrosion, rust, and environmental degradation-ideal for humid, salt-laden, or dusty industrial environments. The material's excellent thermal conductivity also prevents excessive heat buildup during prolonged use, ensuring a comfortable and safe grip throughout operations.
Tapered Flow Path Engineering for Optimized, Consistent Jet Performance
The gun barrel features a precision-tapered internal flow channel designed to minimize turbulence and pressure loss, concentrating water into a powerful, coherent straight stream at the nozzle. The DN50 model comes with a Φ16 nozzle, while the DN65 version uses a Φ19 nozzle-both engineered to deliver maximum range and impact force to penetrate flames and reach the core of fires efficiently.
The overall length of each model is optimized through rigorous field testing: 255mm for DN50 and 277mm for DN65. This balanced design ensures stable handling while maintaining compact dimensions for easy transport and storage, whether for close-quarters firefighting or long-range water delivery.
Precision-Crafted Details for All-Weather Firefighting Reliability
Every detail is engineered for dependability in demanding conditions:
Smooth, burr-free internal barrel walls reduce friction loss, preserving full water pressure at the nozzle.
Reinforced coupling ends enhance impact and drop resistance, critical for rugged emergency response environments.
A simplified, low-maintenance design with no delicate moving parts reduces upkeep requirements-only periodic gasket inspection is needed, lowering long-term operational costs.
Ideal for routine fire drills, on-site industrial fire preparedness, and professional emergency response operations, this Russian-style straight stream fire water gun combines consistent performance, ease of use, and rugged durability to be a trusted partner for firefighting teams.
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sales9@ca-fire.com
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