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About usAn industrial and trade fire company integrating the development, production, sales, and service of fire accessories.
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21
2026
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01
3-inch High-Pressure Lined Fire Hose: A Cross-Scenario High-Performance Equipment with Dual Roles
From fire scenes to farm fields, the 3-inch high-pressure lined fire hose breaks the boundaries of scenarios with material innovation, safeguarding both safety and harvest with robust performance. As smart firefighting and modern agriculture advance, new models like the IoT sensor-equipped smart version and eco-friendly composite-lined variants continue to emerge. This cross-domain equipment is evolving towards greater efficiency, durability, and intelligence, persistently writing a story of dual responsibility with unwavering strength.
Between the fiery frontlines of fire rescue and the fields of agricultural production, there is a piece of equipment quietly bridging the "life water pipeline" and the "harvest supply hose" — the high-quality 3-inch high-pressure lined fire hose. It is neither a simple upgrade of ordinary agricultural hoses nor a scenario extension of traditional fire hoses. Instead, relying on precise material ratio and structural design, it has become an indispensable high-performance tool in both fields, redefining the cross-border value of high-pressure water transmission equipment.
Material Code: Dual Empowerment of Liner and Braided Layer
The golden size of 3 inches (corresponding to an inner diameter of about 76mm) enables this hose to achieve a perfect balance between water flow and flexibility, and its core competitiveness stems from the composite structural design of "liner + braided layer". High-quality products mostly use polyurethane (PU) or high-performance PVC as the liner material. Compared with traditional rubber liners, it not only has uniform thickness and smooth surface, which can minimize water flow resistance, but also has a wide temperature resistance range of -30℃ to 70℃. It can maintain stable performance in cold fire scenes in northern China and hot farmland in southern China without brittleness or leakage.
The outer braided layer is the key to high-pressure resistance and wear protection. The braided layer made of high-strength polyester industrial filaments through twill circular weaving technology has a warp breaking strength of more than 800N and a weft breaking strength of not less than 650N. It can easily withstand a working pressure of 1.6MPa or more, and the burst pressure is more than 3 times the working pressure, perfectly adapting to the operation needs of high-pressure water transmission of fire pumps and high-power agricultural water pumps. At the same time, the dense structure of the braided layer combined with an anti-ultraviolet coating can resist field exposure and scratches from sharp objects in fire scenes, extending the service life by 2-3 times compared with ordinary hoses.
Fire Rescue: A Life-Saving Water Transmission Tool Racing Against Time
At fire fighting scenes, water supply efficiency directly determines the success or failure of rescue, and the scenario adaptability of the 3-inch high-pressure lined fire hose is fully demonstrated here. Its lightweight feature allows firefighters to drag it alone or lay it quickly with multi-person cooperation. Hundreds of meters in length can easily extend to natural water sources such as rivers and lakes, building a long-distance uninterrupted water supply line for fire trucks, and solving the water supply problems in scenarios such as high-rise buildings and forest fires.
High-pressure performance and stability are its core advantages. In accordance with the new national standard GB6246-2023, high-quality products have an axial elongation rate and diameter expansion rate of no more than 5% under a working pressure of 1.6MPa, no counterclockwise torsion after water filling, and can accurately transmit high-pressure water flow to suppress fire. For special scenarios such as chemical leaks, some special models are also equipped with corrosion-resistant liners, which can safely transport flame-retardant liquids and flushing agents to avoid secondary pollution. Equipped with standardized interfaces, water dividers, hose hooks and other accessories, it can not only be laid vertically to adapt to high-rise buildings, but also cross traffic arteries through hose bridges, fully meeting the needs of complex fire scenes.
Agricultural Irrigation: An Efficient and Water-Saving Field Supply Steward
When the scenario switches to farmland, this hose turns into an irrigation expert adaptable to complex terrain, solving the pain points of insufficient flexibility of traditional fixed pipelines and poor pressure resistance of ordinary hoses. The 3-inch large-diameter design can realize large-flow water transmission. When used with sprinkler irrigation and drip irrigation systems, it can cover large-area field crops and orchards, improve water flow uniformity by more than 30%, reduce water waste, and conform to the concept of water-saving modern agriculture.
Its weather resistance and adaptability are fully suitable for agricultural production scenarios. The anti-ultraviolet liner can resist long-term outdoor exposure, and the outer braided layer can withstand friction and puncture from farmland gravel and crop straw. Even in complex terrains such as hills and mountains, it can flexibly bypass obstacles to reach remote plots. Compared with fixed irrigation pipelines, it does not require complex construction, can be quickly rolled up and stored after use, taking into account emergency drought resistance and daily irrigation, and is especially suitable for the diverse needs of small-scale farmers and large-scale farms.
Selection and Maintenance: Unlocking the Key to Long-Term Use
The core of selecting a high-quality 3-inch lined fire hose lies in compliance and adaptability. Priority should be given to products that meet the national standard GB6246-2023 and have passed third-party quality inspection, focusing on indicators such as burst pressure and liner adhesion strength — the adhesion strength between the fabric layer and the liner should not be less than 20N/25mm to ensure no detachment or leakage under high pressure. For fire rescue scenarios, it is recommended to choose high-pressure models with pressure resistance ≥2.0MPa; for agricultural scenarios, 1.3-1.6MPa specifications can be selected according to water pump power, balancing efficiency and cost.
Daily maintenance also affects the service life. It should be cleaned thoroughly after use: for fire rescue scenarios where flame-retardant liquids have been transported, the liner needs to be carefully scrubbed; for agricultural scenarios, residual sediment should be removed. After drying, it should be rolled up in a single layer and placed vertically in a well-ventilated place to avoid folding and extrusion. During storage, keep it away from corrosive substances such as oil, acid and alkali; in cold areas, prevent freezing. Regularly test the pressure resistance performance every 6 months, and repair or replace it in time if damaged to ensure it does not fail at critical moments.
From fire scenes to farmland, the 3-inch high-pressure lined fire hose breaks scenario boundaries through material innovation and guards safety and harvest with high-performance. With the development of smart fire protection and modern agriculture, new products such as intelligent models equipped with IoT sensors and environmentally friendly composite liner models are constantly emerging. This cross-border equipment is upgrading towards higher efficiency, durability and intelligence, continuing to write a story of dual responsibilities with strong capabilities.
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Lidong Industrial Zone, Meilin Street, Nan'an, Quanzhou City.
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we mainly have: water system accessories, stainless steel fire boxes and foam fire hydrant box accessories, valve accessories, intelligent above-ground hydrants and intelligent end-of-line test devices and automatic fire cannons, as well as accessories and fire equipment and valve product OEM processing.