Keyhole Fender
As a global leader in maritime protection solutions, Hongruntong’s advanced rubber keyhole fenders are engineered to redefine docking safety. Developed through 15+ years of hydrodynamic research in collaboration with Shanghai Maritime University, our fenders exceed PIANC 2002 and OCIMF MEG4 standards, ensuring reliability in the world’s most challenging marine environments – from Arctic offshore platforms to tropical megaports.
Engineered Excellence: Technical Superiority
1. Proprietary Rubber Compound
Durability: 55-65 Shore A hardness rubber with 18% carbon black reinforcement
Environmental Resistance:
UV stability tested per ASTM G154 (5,000+ hours xenon-arc exposure)
Chemical resistance to oils, fuels, and saline solutions (pH 2-12)
Operational Range: -40°C to +90°C performance certification
2. Structural Innovation
Energy Absorption: 42% higher than standard D-shaped fenders (DNV GL verified)
Modular Design: 300-3,000mm length configurations with flanged bolt slots
Maintenance: Embedded RFID tags for lifecycle monitoring (IoT compatible)
Value Proposition: Beyond Basic Protection
Operational Benefits
Cost Efficiency: 22% reduced replacement frequency vs. EPDM alternatives
Risk Mitigation: 0.15 friction coefficient minimizes vessel abrasion
Sustainability: 92% recycled rubber content (GRS-certified)
Industry-Specific Solutions
Sector | Customization | Certification |
---|---|---|
Commercial Ports | Anti-twist steel cable cores | PIANC 2002 Guidelines |
Offshore Wind | Subsea-grade anodes for cathodic protection | DNV-OS-J201 (Offshore Standard) |
Naval Bases | Radar-absorbent rubber compounds | MIL-DTL-24607C (Military Spec) |
Global Implementation & Support
Case Study Highlight
Project: Singapore Tuas Mega Port Phase 3
Solution: 1,200+ keyhole fenders with embedded strain sensors
Results:
31% reduction in collision damage claims (2020-2023)
17-month ROI through reduced maintenance costs
Service Ecosystem
Digital Tools: 3D berth simulation software (API integration available)
Supply Chain: 48-hour emergency replacement guarantee (30+ global warehouses)
Compliance: Full documentation packages including:
Material Declarations (IMDS)
FEM Analysis Reports
CE/UKCA Declaration of Conformity
Why Global Operators Trust Hongruntong
R&D Investment: 8.2% annual revenue reinvested in material science
Transparency: Live webcam access to Qingdao testing facility
Legacy: 630+ megaton-class vessels protected since 2009
Dimensions
Model | A [mm] |
B [mm] |
C [mm] |
D [mm] |
G [mm] |
E [mm] |
Lmax [mm] |
HM-KH200 |
200 |
200 |
35 |
28 |
90 |
130 |
3000 |
HM-KH250 |
250 |
250 |
50 |
33 |
100 |
150 |
3000 |
HM-KH300 |
300 |
300 |
60 |
33 |
115 |
180 |
3000 |
HM-KH350 |
350 |
350 |
70 |
33 |
125 |
210 |
3000 |
Details Photos
Hongruntong Marine Co., Ltd, established in 1990 and located in Beijing, is a prominent manufacturer of rubber fenders and various other rubber products. We provide services to industries such as ship and port building, maritime infrastructure, hydro power, and construction.
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Contact Us
C1-707, Xuhui Center, Jinguan North 2nd Street, Shunyi District, Beijing City, China
101300
+86-10-89461910
+86-18910539783
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