What materials are usually used to make fire hose nozzles

Stainless Steel - Double guarantee of corrosion resistance and strength
Stainless steel is one of the most commonly used core materials for manufacturing high-end fire hose nozzles. Its main advantages are excellent corrosion resistance and extremely high mechanical strength. Common models include 304 and 316 stainless steel. Among them, 316 stainless steel has more advantages in resisting chloride ion corrosion due to the addition of molybdenum, and is widely used in high-corrosion environments such as seaports and chemical plants.
Nozzles made of stainless steel can withstand high water pressure, are not easy to rust, and can maintain structural stability and flow channel cleanliness during long-term use. It is particularly suitable for places with strict hygiene requirements and harsh environmental conditions, such as petrochemical warehouses, dangerous goods transportation areas, and ship fire protection systems.

Aluminum Alloy - Lightweight, high strength, and outstanding portability
Aluminum alloy materials are widely used in industrial and emergency firefighting equipment due to their light weight, high strength, and good thermal conductivity. Aluminum alloys used for nozzles are usually hard anodized to enhance the wear resistance and corrosion resistance of the surface.
Firefighters are extremely sensitive to the weight of their equipment when using nozzles at high intensity and high frequency. Nozzles made of aluminum alloy not only reduce the workload, but also facilitate rapid deployment and operation. For scenes such as outdoor firefighting, forest fire fighting, and urban fire drills that require large-scale movement, aluminum alloy nozzles provide the best weight control solution.

Brass (Brass) - Stable diversion, excellent corrosion resistance
As a traditional metal material, brass has long been used to manufacture various liquid diversion devices, including fire nozzles. Its advantages are good processing performance, strong electrical and thermal conductivity, and good corrosion resistance. Brass nozzles perform well in water pressure control and atomization effects, and are especially suitable for renovation of old facilities or firefighting operations in high-temperature areas.
Some brass nozzles are chrome-plated, which not only improves the appearance texture, but also enhances the surface oxidation resistance and prolongs the service life. Brass also has good anti-electromagnetic interference characteristics, which is particularly suitable for fire protection in power stations and precision instrument rooms.

Engineering Plastics - Cost Control and Insulation Protection
Engineering plastics such as polycarbonate (PC), polyamide (PA, commonly known as nylon) and polypropylene (PP) are also widely used in the shells or structural components of medium and low pressure fire nozzles. These materials have good insulation, impact resistance and high temperature resistance, and are particularly suitable for environments such as electronic factories and data centers that require anti-static and low conductivity.
Modern engineering plastics are often reinforced by adding glass fiber to improve strength and wear resistance. Some composite materials even maintain good mechanical properties and dimensional stability under extremely cold or high temperature conditions. For budget-sensitive projects, engineering plastic nozzles provide customers with highly cost-effective solutions.

Rubber and silicone seals - the key guarantee of sealing performance
In the internal structure of the nozzle, rubber (such as EPDM, NBR) or silicone materials are mostly used for components such as sealing rings and valve cores. These materials directly affect the nozzle's opening and closing sensitivity and water flow control accuracy. EPDM rubber has excellent anti-aging and anti-ozone properties, while NBR (nitrile rubber) has more advantages in oil resistance and water pressure resistance.
High-quality sealing materials can effectively avoid problems such as water leakage, backflow, and nozzle jamming, ensuring the stable operation of the fire protection system at critical moments. By selecting seals with high elasticity and corrosion resistance, the reliability of the overall nozzle device is significantly improved, the service life is longer, and the maintenance cost is lower.

Composite Materials - An innovative choice that takes into account both strength and function
With the development of materials science, some high-end fire protection nozzles have begun to use advanced composite materials such as carbon fiber reinforced resins and metal-ceramic composites. This type of material combines the strength of metal with the lightweight characteristics of plastic, which not only reduces the overall weight of the equipment, but also improves impact resistance, heat resistance and corrosion resistance.
Composite nozzles are suitable for high-risk environments, such as aviation hangars, oil tank areas, large logistics warehousing and other scenes. Their stability and responsiveness are widely recognized by professional users.