Marine Transfer Hose Corrosion Resistant Heavy Duty Reliable Performance
Product Overview
STS Hose is a heavy duty marine transfer hose engineered for ship-to-ship petroleum transfer, offshore bunkering operations, and large scale crude oil handling systems. The hose features a multi-layer reinforced architecture with high tensile synthetic fiber cord, steel wire helix reinforcement, and oil resistant nitrile rubber inner tube.
Designed to operate under high pressure conditions while maintaining structural stability in harsh offshore environments, the outer layer provides resistance against seawater corrosion, UV radiation, abrasion, and mechanical stress caused by vessel movement.
This hose delivers high performance fluid transfer capability, ensuring stable flow rate, pressure balance, and long service life. It is widely used in offshore energy logistics, port terminals, and marine engineering systems where safety and durability are critical.
Case Study: Offshore Crude Oil Transfer System Upgrade
A European offshore oil logistics company operating 100,000-150,000 DWT tanker fleets faced serious operational risks during ship-to-ship crude oil transfer in the North Sea. The previous hose system suffered from pressure fluctuation, cold weather cracking, and frequent leakage during high sea state operations.
Hongruntong Marine provided a customized STS Hose system with enhanced low temperature flexibility and reinforced pressure stability design. After installation, transfer efficiency increased by 29% due to stable internal flow control, emergency maintenance frequency reduced by 42%, cold weather cracking issues were completely eliminated, and offshore safety compliance significantly improved under marine inspection standards.
The client reported that the system performed consistently under sub-zero temperature conditions and high wave impact environments, proving long-term reliability in harsh offshore logistics operations.
Technical Specifications
| Name |
STS Hose |
| Material |
PTFE, Galvanized Steel Wire, PVC Coated Polyester Cloth |
| Product Name |
STS Hose |
| Size |
HM-SH78 |
| Inner Wire |
Stainless Steel 316 |
| Lining |
Polyamide |
| Carcass |
Polyamide fabrics, Polyester films |
| Outer Wire |
Stainless Steel 316 |
| Working Pressure |
10 bar to 21 bar |
| Maximum Length |
40 meters |
| Sample |
Available |
| Delivery time |
Normally 3-5 days |
Model Specifications
| Model |
Dimensions [mm] |
Dimensions [inch] |
Working Pressure [bar] |
Working Pressure [psi] |
Safety Factor |
Bending Radius [mm] |
Weight [kg] |
Length [m] |
| HM-SH20 |
20 |
3/4" |
16 |
230 |
6:1 |
80 |
0.8 |
40 |
| HM-SH25 |
25 |
1" |
16 |
230 |
6:1 |
100 |
1 |
40 |
| HM-SH32 |
32 |
11/4" |
16 |
230 |
6:1 |
125 |
1.3 |
40 |
| HM-SH40 |
40 |
11/2" |
16 |
230 |
6:1 |
140 |
1.5 |
40 |
| HM-SH50 |
50 |
2" |
16 |
230 |
6:1 |
180 |
2.5 |
40 |
| HM-SH65 |
65 |
21/2" |
16 |
230 |
6:1 |
200 |
3.3 |
40 |
| HM-SH80 |
80 |
3" |
16 |
230 |
6:1 |
260 |
4 |
40 |
| HM-SH100 |
100 |
4" |
16 |
230 |
6:1 |
380 |
6.8 |
40 |
| HM-SH125 |
125 |
5" |
16 |
230 |
6:1 |
440 |
9.2 |
40 |
| HM-SH150 |
150 |
6" |
16 |
230 |
6:1 |
500 |
13.2 |
40 |
| HM-SH200 |
200 |
8" |
16 |
230 |
6:1 |
750 |
18 |
40 |
| HM-SH250 |
250 |
10" |
16 |
230 |
6:1 |
900 |
26 |
25 |
Note: Various sizes can be customized according to the requirements.
Key Features
-
High-Pressure Multi-Layer Reinforcement Structure
Constructed with textile cord reinforcement combined with steel wire helix layers. This structure distributes mechanical stress evenly, preventing localized deformation under pressure surges and ensuring stable operation during offshore pumping cycles with frequent hydraulic shocks.
-
Hydrocarbon-Resistant Inner Tube System
Engineered for compatibility with crude oil, diesel, gasoline, and aromatic hydrocarbons. Prevents swelling, cracking, and chemical degradation during long-term exposure, ensuring stable flow performance and reducing contamination risks.
-
Marine Environmental Protection Outer Cover
Designed to withstand seawater exposure, UV radiation, ozone aging, oil contamination, and mechanical abrasion. Ensures long-term durability in harsh offshore environments and prevents premature surface aging.
-
Dynamic Fatigue Resistance Engineering Design
Structure optimized for repeated bending cycles caused by vessel motion and wave impact. Reinforcement geometry reduces stress concentration, extending service life under continuous offshore dynamic loading conditions.
Applications
-
Offshore Ship-to-Ship Crude Oil Transfer Operations
Widely used in crude oil transfer between VLCC, Suezmax, and Aframax tankers in offshore anchorage zones. Ensures safe and stable operation under wave motion and vessel drift conditions.
-
Port Bunkering and Large Vessel Fuel Supply Systems
Applied in port bunkering operations where high-volume fuel transfer is required for commercial shipping fleets. Supports efficient and safe fuel distribution in busy harbor environments.
-
Floating Storage and Offshore Terminal Operations
Used between floating storage units and shuttle tankers for loading and unloading petroleum products. Ensures operational stability under continuous offshore movement conditions.
-
Emergency Offshore Fuel Transfer Systems
Deployed in emergency fuel recovery and redistribution operations where rapid response and high safety performance are required under unpredictable offshore conditions.
Why Choose Hongruntong Marine
-
Advanced Marine Material Engineering Capability
Integrates advanced elastomer compounding technology with precision reinforcement manufacturing. Ensures consistent mechanical strength, chemical resistance, and long-term durability across all production batches.
-
Strict Multi-Stage Quality Control System
Each hose undergoes hydrostatic pressure testing, vacuum testing, and fatigue simulation testing. Ensures reliability under real offshore conditions including wave impact, pressure fluctuation, and continuous bending stress.
-
Customized Engineering Solutions for Projects
Provides full customization including hose diameter, pressure rating, buoyancy system, bending radius optimization, and coupling compatibility. Each solution is designed according to specific offshore operational requirements.
-
Global Logistics and Technical Support Network
Supports worldwide offshore projects with stable delivery systems and professional technical assistance. Engineers provide installation guidance, commissioning support, and operational troubleshooting services.
Frequently Asked Questions
What is the standard working pressure of STS Hose?
It typically ranges from 10 to 21 bar depending on size and application requirements.
Can STS Hose be used for crude oil transfer?
Yes, it is specifically designed for crude oil and petroleum product transfer operations.
Is floating type available for STS Hose?
Yes, both floating and non-floating configurations are available based on project needs.
What is the service life of STS Hose?
The typical service life is 5-8 years depending on operating conditions and maintenance practices.
Does STS Hose meet offshore safety requirements?
Yes, it is designed and manufactured in compliance with international marine transfer safety standards.