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<p>The current design of fire hose couplings is overly simplistic, which forces firefighters to carry multiple hoses of different specifications in emergency situations, thereby increasing the burden of firefighting operations. To address this issue, this study proposes the use of two-dimensional woven high-strength polyester fabric as the reinforcing layer and thermoplastic polyurethane tubing as the inner lining of the hose. Through a heat-press bonding process, high-pressure variable diameter hoses are manufactured, and hoses of different specifications are designed and fabricated. This study explores the composite process parameters of the involved materials and investigates their interfacial bonding performance and failure mechanisms under pressure. The results show that by rationally setting the heat-press bonding process parameters and adjusting the weaving structure of the hose, the interfacial bonding strength and pressure resistance of the fire hose can be effectively enhanced. Experimental tests also reveal the failure mechanisms of gradient-diameter hose materials.</p>

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Study on the Manufacturing Process of High-Pressure Fire Hose with Variable Diameter Design and Its Pressure Resistance Performance

  • 期刊论文

  • 发表日期：

    2025年7月24日

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  • Xiangli Hu,
  • Sarkodie Ebenezer Ameyaw,
  • Yantao Gao,
  • Zan Lu,
  • Wenfeng Hu

摘要

The current design of fire hose couplings is overly simplistic, which forces firefighters to carry multiple hoses of different specifications in emergency situations, thereby increasing the burden of firefighting operations. To address this issue, this study proposes the use of two-dimensional woven high-strength polyester fabric as the reinforcing layer and thermoplastic polyurethane tubing as the inner lining of the hose. Through a heat-press bonding process, high-pressure variable diameter hoses are manufactured, and hoses of different specifications are designed and fabricated. This study explores the composite process parameters of the involved materials and investigates their interfacial bonding performance and failure mechanisms under pressure. The results show that by rationally setting the heat-press bonding process parameters and adjusting the weaving structure of the hose, the interfacial bonding strength and pressure resistance of the fire hose can be effectively enhanced. Experimental tests also reveal the failure mechanisms of gradient-diameter hose materials.