Marine Transfer Hose Heat Resistant Safe Transfer Strong Structure Flexible
Description
The STS Series Chemical Transfer Hose is a critical safety component for handling aggressive acids, solvents, and hydrocarbons across the chemical processing, tanker trucking, and bulk terminal industries. It is constructed with a barrier layer to prevent permeation and a tube resistant to a vast range of chemicals, addressing the stringent need for operational safety, environmental protection, and material compatibility.
Case Study: Chemical Tanker Truck Fleet, Houston, USA
A logistics company operating a fleet of 50 tanker trucks was experiencing frequent, premature hose failures when loading/unloading concentrated sulfuric acid and methanol. Standard hoses would swell, crack, or become brittle within 6 months, leading to leaks, safety incidents, and forced replacements at a cost of $1,200 per hose. After implementing the STS Chemical Transfer Hose, their mean time between failures (MTBF) increased to 24 months. They eliminated unplanned downtime due to hose leaks and saved over $60,000 annually on hose replacements and hazardous spill cleanup preparedness.
Specifications
| 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 | Dimensions | Working Pressure | Safety Factor | Bending Radius | Weight | Length |
| Composite | [mm] | [inch] | [bar] | [psi] | [kg] | [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. |
Features
High Pressure Resistance
Designed to withstand extreme hydraulic pressures, ensuring safe and reliable operation in demanding industrial and mechanical applications.
Flexible and Lightweight
Offers excellent flexibility, allowing for easy installation in tight spaces, while reducing the overall weight of machinery systems.
Abrasion and Wear Resistant
Engineered to resist surface abrasion, cuts, and mechanical wear, extending service life even in harsh operating environments.
Chemical and Oil Resistance
Compatible with a wide range of hydraulic fluids, oils, and chemicals, preventing degradation and leakage over time.
Applications
Hydraulic Systems in Industrial Machinery
STS hoses are widely used in hydraulic systems to transmit pressurized fluids that power industrial machinery. Their high flexibility, abrasion resistance, and ability to withstand extreme pressures make them ideal for applications in presses, injection molding machines, and metalworking equipment. By ensuring leak-free performance and maintaining consistent pressure, STS hoses improve operational efficiency and reduce downtime due to maintenance.
Construction and Heavy Equipment
In construction, STS hoses are essential for equipment such as excavators, bulldozers, and cranes. They handle the transfer of hydraulic oil, water, and other fluids under high pressure in harsh environments. Their durability against abrasion, UV radiation, and extreme temperatures ensures long service life, even in rugged construction sites, while maintaining reliable performance for lifting, digging, and material handling operations.
Automotive and Transportation Applications
STS hoses are utilized in automotive and transportation systems for hydraulic brakes, power steering, and air suspension. Their high-pressure tolerance, flexibility, and resistance to oil and chemical degradation provide safe and efficient fluid transfer. This ensures smooth vehicle operation, precise control, and enhanced safety in both commercial and personal vehicles, especially under demanding conditions like heavy loads or extreme weather.
Marine and Offshore Industry
STS hoses are crucial in marine and offshore applications where high-pressure fluid transfer is required in challenging environments. They are used in ship steering systems, deck machinery, and offshore drilling equipment. Their corrosion resistance, ability to handle saltwater exposure, and flexibility in tight spaces make them reliable for continuous operation, ensuring safety and efficiency in harsh maritime conditions.
Why Choose Hongruntong Marine?
Comprehensive Chemical Compatibility Database
We provide clients with an interactive online tool to check compatibility for over 1,500 chemicals, taking the guesswork out of hose selection and ensuring absolute safety.
IBC Code Certification
Our hoses are certified for use on chemical tankers worldwide, with all necessary documentation (Type Approval Certificates) supplied for port state control inspections.
Traceability Quality Assurance
Every meter of hose is laser-etched with a unique batch number, allowing full traceability back to the raw materials used. This is crucial for quality audits and incident investigation.
Global Stocking of Emergency Replacements
We maintain a strategic inventory of the most common sizes and types in key ports (Rotterdam, Singapore, Houston), enabling us to provide 24-48 hour emergency replacement service to minimize vessel demurrage.
FAQ
Q1: How do I test the continuity of the static wire?
A: Use a standard multimeter. Set it to measure resistance (Ohms). Place one probe on the flange at one end and the other probe on the opposite flange. The reading should be less than 1 Ohm per meter of hose length. A high or infinite reading indicates a break in the continuity, and the hose must not be used.
Q2: Is the hose suitable for steam cleaning?
A: The standard PTFE-based STS hose can withstand intermittent steam cleaning up to 150°C. For frequent high-temperature steam cleaning, we recommend our high-temperature variant with a special cover, rated for continuous use at 180°C.
Q3: What is the permeation rate for benzene?
A: Permeation is measured in g/m²/day. For our STS Chemical Hose with a PTFE barrier, the permeation rate for benzene is less than 10 g/m²/day at 23°C, which is exceptionally low and meets the strictest environmental and workplace safety standards.
Q4: Can I repair a cut in the outer cover?
A: For minor cover damage that does not expose the reinforcement, a specific two-part polyurethane repair compound can be used as a temporary fix until the hose can be replaced. However, if the damage is deep or the static wire is exposed, the hose must be taken out of service immediately.
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