Wear Resistant Mining Dredging Hose For Tunnel And Underground Dewatering

The slurry suction hose is specifically engineered for tunnel and underground dewatering applications, where construction teams need to safely and efficiently remove water mixed with mud, rock cuttings, and sediment from excavations, tunnels, or subways. These hoses are designed to handle abrasive slurries, high suction loads, and frequent bending around confined spaces while maintaining structural integrity and reliable performance.

In tunneling operations, the working environment is confined, with limited access, high pressure gradients, and abrasive mixtures that challenge conventional hoses. Premature liner wear, kinking, or vacuum collapse can lead to operational delays, increased labor costs, and safety hazards. Hongruntong Marine slurry suction hoses address these issues by providing a robust, flexible, and abrasion-resistant solution tailored for underground conditions.

• Inner Liner: Natural rubber in various thicknesses and compounds
• Reinforcement: Nylon cord fabric with spring steel wire helix
• Outer Cover: Black abrasion and UV-resistant natural rubber

• Hose Size: 50~1500
• Hose Length: Up to 12m
• Pressure Rating: 5-40bar
• Temperature Rating: -40°C to +80°C
• Safety Factor: 4:1
• Bend Radius: 8 to 10 times diameter (Standard)
• End Fittings: Fixed flanges, swivel flanges, plain cut, cuffed, swollen, custom fittings
• Flange Types: D, E, F, ANSI 150, ANSI 300, Custom
• Materials: Stainless steel, Hot-dipped galvanised, Carbon steel, Custom paint

• Thick Abrasion Resistant Inner Liner: The inner liner is manufactured using a high-performance rubber compound optimized for abrasive slurries common in underground environments. Its substantial thickness and wear-resistant formulation ensure uniform wear and extended service life.
• Multi Layer Reinforcement for Vacuum and Flexibility: The hose incorporates dual steel wire helix reinforcement combined with synthetic textile plies to resist vacuum collapse, tensile stress, and bending loads. This multi-layer structure ensures the hose maintains its shape and functionality even when routed around sharp bends.
• Durable External Cover: The outer cover protects against abrasion, chemical exposure, UV, and mechanical impact. Optional reinforced overlays or scuff strips protect the hose further, ensuring longevity and reducing maintenance needs.
• Optimized Flexibility and Vacuum Stability: Hongruntong hoses are engineered for balance between flexibility and structural integrity. Optimized bend radius and wall thickness transitions prevent kinking, maintain smooth slurry flow, and resist vacuum collapse under high suction conditions.

• Subway and Metro Tunnel Excavations: Slurry suction hoses are vital in removing water, mud, and cuttings from tunneling operations, maintaining a dry working environment and ensuring structural safety.
• Underground Utility Tunnels: During construction of utility tunnels, water intrusion and sediment accumulation require continuous pumping. Hoses must resist abrasion, vacuum collapse, and flexing around confined bends.
• Mining and Geological Exploration Tunnels: In exploratory or small-scale mining tunnels, water and sediment removal is necessary to maintain operational efficiency and safety. Hoses must withstand abrasive and chemical-laden slurries while remaining durable and reliable.

• Specialized Expertise in Underground and Tunnel Applications: Hongruntong has extensive experience designing hoses for confined, abrasive, and high-suction underground environments.
• Comprehensive Testing and Quality Assurance: All hoses undergo rigorous vacuum collapse, burst pressure, abrasion, and bending fatigue testing. Hongruntong adheres to ISO-certified quality standards.
• Custom Engineering and Project-Specific Solutions: Hoses can be customized for diameter, length, liner material, reinforcement layers, and end fittings. Advanced simulation tools optimize hose performance for specific tunnel geometries.
• Global Support and After-Sales Service: Hongruntong provides technical guidance, predictive wear monitoring, maintenance support, and rapid spare parts delivery.