Hongruntong Marine (Beijing) Co., Ltd
                                                                                                           
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36 Years
Since 1990
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OEM Size Flexible Ceramic Composite Hose Wear Resistance IECEx Certified

Price Negotiable
Price: USD43 to USD685 Per Piece
MOQ: 1
Delivery Time: 5-7 Work Days
Brand: Hongruntong Marine
Product Description
Flexible Ceramic Composite Hose Ultra Wear Resistant Bend Radius 5x Diameter Non Stick Surface
Explosion Proof Flexible Ceramic Duct
ATEX/IECEx-certified for Zone 21/22, this hose combines conductive ceramic lining (surface resistivity <10⁶ Ω) with a static-dissipating EPDM cover. The helical steel wire support ensures crush resistance while maintaining bend radii down to 4x diameter. Safely handles combustible dusts (STM-D12 tested) and flammable vapors. Pressure range: 0.5-4MPa.
Specifications
Tube NR, BR, SBR
Reinforcement High Tensile Steel Wire Spiral
Cover NR, CR
Working Pressure < 25 bars
Flange Material Q235B carbon steel paint
Working Temperature -30℃ to +80℃
Safety Factor 5:1
Application Installed in between the pump and cutter of the dredger, suction the slurry. Suction hose & Armored hose with HB steel ring in, suitable for limestone, granite, coral, and mineral etc.
Advantages
  • High Abrasion Resistance
  • Light Weight
  • Oil and Heat Resistant
  • Flexible, easy to bending
Technical Dimensions
Inner Diameter (mm) Working Pressure (Mpa) Burst Pressure (Mpa) Length (m) Wall Thickness (mm)
300 0.4-1.2 3.6 1-3 34-37
414 0.4-1.2 3.6 1-3 35-37
560 0.4-1.2 3.6 2-3 40-45
600 0.4-1.2 3.6 2-3 40-45
700 0.8-1.5 4.5 2-3 40-45
800 1.2-2.5 5.5 2-3 50-52
900 1.5-2.5 7.5 2-3 55-58
1000 2.0-2.5 7.5 3-5 75-78
Flexible ceramic composite hose installation view
Close-up of ceramic composite hose construction
Hose cross-section showing ceramic lining
Product Highlights
► High Pressure Capacity
Rated up to 25MPa static pressure with reinforced steel wire construction.
► Ultra Smooth Interior
Ceramic surface (Ra ≤0.8µm) minimizes friction loss and prevents material buildup.
► Custom Configuration Flexibility
Available in diameters from DN15 to DN600 with various end connections.
► Thermal Shock Resistance
Withstands rapid temperature changes up to 800°C/min without cracking.
Key Applications
► Molten Slag Transfer
Al₂O₃ lining survives 1,300°C molten slag droplets
► Shot Blasting Media Delivery
Ultra-wear-resistant for steel grit (G80-G120)
► Pickling Lines
for HCl/HNO₃ acid baths in stainless steel production
Why Hongruntong Marine?
► Technical Support Network
24/7 engineering support with multi-lingual service teams
► Field Proven Reliability
Over 2000 installations in mining/chemical sectors with <0.5% failure rate
► Innovative Jointing Systems
Patented leak-proof flange connections (Type C-Lock™)
► Comprehensive Stock Program
DN50-DN400 standard sizes available ex-stock with 72hr dispatch
FAQ
1. Are food-grade options available?
Absolutely. Features include:
  • Electropolished 316L ends
  • Ra ≤0.8µm internal finish
  • USDA/FDA-compliant materials
2. How do you compare to competitors?
We differentiate via:
  • 30+ years of ceramic engineering
  • In-house ceramic sintering (no outsourcing)
  • Case studies with 7+ year field performance data
3. Where can I get technical specifications?
Download our:
  • Product datasheets (PDF/CAD)
  • ASTM/ISO test reports
  • Industry-specific selection guides
Hose in industrial application setting
Hose performance testing demonstration
Hose manufacturing quality control

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Hongruntong Marine (Beijing) Co., Ltd
Location C1-7, Xuhui Center, Jinguan North 2nd Street, Shunyi District, Beijing City, P.R. China 101300
Contact Person William Lau

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