SS304/316 Metal Wire Braided Stainless Steel Threaded Connection Type Flexible Metal Hose for Various Industries
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Product Details
| Application: | Chemical Transfer, Petroleum Industry, Steam Handling, Energy and Power Industry |
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| Certification: | CE, ISO9001 |
| Hose Diameter: | DN40 |
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Basic Info.
- Model NO.
- JF-40-316L
- Hose Length
- 1500
- Material
- 316L Stainless Steel
- Min. Bending Radius
- 150
- Min. Tensile Strength（N）
- 800
- Transport Package
- Export Wooden Case + PE Film + Anti-Rust Oil
- Specification
- DN40×1500mm
- Origin
- China
- HS Code
- 8307100000
Product Description
Threaded metal hose
A threaded metal hose is a flexible piping component that uses a metal corrugated tube as its flexible base, with standard threaded fittings (such as G/BSP British, NPT American, DIN German standards, etc.) attached to both ends. It achieves sealed fluid transfer through thread engagement combined with sealing gaskets. Integrating the temperature resistance and corrosion resistance of metal materials with the flexible compensation capability of corrugated tubes, it is a commonly used part for connecting fixed equipment and pipelines in industrial and civil fields.
Specification
Performance Dimension | Routine Range | Customized Range (Special) | Performance Description |
Working Pressure | 0.6-16MPa | Up to 25MPa (316L material) | Low-pressure models (≤1.6MPa) for civil scenarios; medium-pressure models (1.6-16MPa) for industrial scenarios |
Temperature Resistance Range | -40℃-300℃ (routine material) | -200℃-600℃ (high-temperature models) | Routine models for transferring normal-temperature water and engine oil; high-temperature models (316L inner tube + high-temperature seal) for transferring hot oil and low-pressure steam |
Medium Compatibility | Water, oil, air, weak alkaline fluids | Weak acidic fluids (316L + PTFE seal) | Avoid direct contact with strong oxidants (e.g., concentrated nitric acid, chlorine gas) to prevent threaded corrosion and damage |
Material Combination | Inner tube: 304 stainless steel; Fittings: brass/304 stainless steel | Inner tube: 316L stainless steel; Fittings: 316L stainless steel | 316L material is preferred for humid and coastal environments to prevent salt spray corrosion; brass fittings are optional for civil scenarios to reduce costs |
Service Life | 3-5 years (routine working conditions) | 6-8 years (with proper maintenance) | 2-3 times longer than rubber hoses of the same specification; regular replacement of sealing gaskets can extend service life |
Sealing Performance | Leakage rate ≤1×10-10Pa·m³/s | Leakage rate ≤1×10-10Pa·m³/s (PTFE seal) | Relies on thread precision and sealing gaskets; ensure no thread damage or gasket deformation during installation |
Product Advantage
Core Advantages —Adapting to Diverse Scenario Needs
Exceptional Versatility, Low Adaptation Cost
Adopting international universal thread standards, it eliminates the need for custom special fittings and can be directly connected to over 80% of conventional equipment interfaces on the market (e.g., water inlet valves of household water heaters, industrial pump outlets, valve connectors). This saves additional costs for interface modification or adaptation, making it particularly suitable for bulk standardized procurement scenarios.
Adopting international universal thread standards, it eliminates the need for custom special fittings and can be directly connected to over 80% of conventional equipment interfaces on the market (e.g., water inlet valves of household water heaters, industrial pump outlets, valve connectors). This saves additional costs for interface modification or adaptation, making it particularly suitable for bulk standardized procurement scenarios.
Low Installation Threshold, Flexible Operation
No professional tools like welding equipment or buckles are required—only a regular wrench is needed for installation, and a single person can complete the connection of one hose within 5-10 minutes. There is no component damage during disassembly; when equipment maintenance or replacement is needed later, the hose can be reused for new equipment, reducing idle waste.
High Cost-Effectiveness, Outstanding Economy
The fitting structure is simple (without complex valve cores or buckle components), and its manufacturing cost is only 70%-85% of that of quick-connect metal hoses and 30%-50% of that of flange-connected metal hoses. Additionally, sealing gaskets (nitrile rubber, fluororubber, etc.) are low-cost (¥2-¥5 per piece), offering significant long-term usage cost advantages. It is suitable for bulk projects with limited budgets (e.g., building water supply and drainage, household appliance supporting).
The fitting structure is simple (without complex valve cores or buckle components), and its manufacturing cost is only 70%-85% of that of quick-connect metal hoses and 30%-50% of that of flange-connected metal hoses. Additionally, sealing gaskets (nitrile rubber, fluororubber, etc.) are low-cost (¥2-¥5 per piece), offering significant long-term usage cost advantages. It is suitable for bulk projects with limited budgets (e.g., building water supply and drainage, household appliance supporting).
Lightweight Structure, Good Space Adaptability
The outer diameter of threaded fittings is more than 40% smaller than that of flanges, and the overall weight of the hose is light (10%-15% lighter than quick-connect hoses of the same specification). It can be adapted to narrow installation spaces (e.g., household cabinet compartments, internal equipment pipelines) while reducing the load-bearing burden of the pipeline on the equipment, preventing equipment deformation caused by long-term use.
Application
Civil Scenario: Household Equipment Supporting
Construction Scenario: Pipeline Branch and Terminal Connection
Industrial Scenario: Connection for Equipment with Low-Frequency Maintenance
Water inlet/outlet connection for gas water heaters, water purifiers, washing machines, and wall-hung boiler.
Selection Recommendation: DN6-DN25, working pressure ≤1.6MPa, brass fittings (low cost) + 304 inner tube, length 0.5-2m, matched with nitrile rubber sealing gaskets (water-resistant and gas-resistant)
Building water supply and drainage pipeline branches, heating pipeline terminals (radiator connection), and air conditioner outdoor unit water supply pipes
Selection Recommendation: DN20-DN50, working pressure ≤2.5MPa, 304 stainless steel fittings + inner tube, optional PVC protective sleeve for outdoor installation (UV aging resistance)
Selection Recommendation: DN20-DN50, working pressure ≤2.5MPa, 304 stainless steel fittings + inner tube, optional PVC protective sleeve for outdoor installation (UV aging resistance)
Small machine tool lubrication systems, low-pressure hydraulic equipment (e.g., small injection molding machines), and compressed air pipeline terminals
Selection Recommendation: DN15-DN100, working pressure 1.6-10MPa, 304/316L material (selected based on medium corrosion), matched with fluororubber sealing gaskets (oil-resistant and wear-resistant)
Selection Recommendation: DN15-DN100, working pressure 1.6-10MPa, 304/316L material (selected based on medium corrosion), matched with fluororubber sealing gaskets (oil-resistant and wear-resistant)
FAQ
FAQ For Threaded Metal Hose
Q1: What thread standards do the fittings of threaded metal hoses support?
A1: They comply with international universal standards, including G/BSP (British), NPT (American), and DIN (German). For non-standard interfaces (e.g., old imported equipment), custom threads (such as trapezoidal threads) are available upon providing interface drawings.
A1: They comply with international universal standards, including G/BSP (British), NPT (American), and DIN (German). For non-standard interfaces (e.g., old imported equipment), custom threads (such as trapezoidal threads) are available upon providing interface drawings.
Q2: Can threaded metal hoses be used for high-temperature steam transfer?
A2: Yes, but it depends on the model. Routine models (304 stainless steel) tolerate -40℃~300℃, suitable for low-pressure steam (≤1.6MPa). For high-temperature steam (up to 600℃), choose customized models with 316L inner tubes and high-temperature-resistant seals.
Q3: How to avoid thread damage during installation?
A3: First, clean impurities (iron filings, oil) on the thread surface; second, use a torque wrench to control tightening force (e.g., 25~30N·m for G1" threads); avoid over-tightening, which may cause thread stripping.
Q4: What's the difference in service life between 304 and 316L stainless steel threaded metal hoses?
A4: Under routine conditions (e.g., building water supply), 304 models last 3~5 years; 316L models (with better corrosion resistance) last 6~8 years. In humid/coastal environments, 316L models extend service life by 50% compared to 304.
A4: Under routine conditions (e.g., building water supply), 304 models last 3~5 years; 316L models (with better corrosion resistance) last 6~8 years. In humid/coastal environments, 316L models extend service life by 50% compared to 304.
Q5: Can threaded metal hoses be reused after disassembly?
A5: Yes. Check the thread for wear and the gasket for deformation first—if both are intact, reuse directly. Replace the sealing gasket (e.g., nitrile rubber, PTFE) if it's aged to ensure sealing performance.
Q6: What media should be avoided when using threaded metal hoses?
A6: Avoid strong oxidants (e.g., concentrated nitric acid, chlorine gas) that corrode threads; also avoid high-viscosity media (e.g., asphalt, thick slurry), which may clog the corrugated tube or stick to the gasket, affecting flow and sealing.
Our Services
Professional Team Service
1.24-hour online
2.Free samples provided
3.Support customization
2.Free samples provided
3.Support customization
4.Multiple payment styles to choose from
5.Factory inspection (material, specifications, quantity, pressure)
6.Long warranty period
7.Suitable packaging for transportation
5.Factory inspection (material, specifications, quantity, pressure)
6.Long warranty period
7.Suitable packaging for transportation
Company Profile
15+ years of manufacturing experience
Shanghai Baori Steel Industries Co., Ltd
Professional, efficient and good service
Do things sincerely, connect the world
Our main business field is the manufacturing, Processing and distributing of silicon steel product. Our company main product including Hot dip aluminized steel coil/plate,stainless steel,galvanized steel,channel steel,rebar,pipe,etc...
We have more than 15+ years of manufacturing experience and 20 years of domestic market. We have customized production capacity. We have more than 20 employees and the factory covers an area of more than 8,000 square meters. Year capacity up to 100, 000 Tons.
We are also agent of Baosteel, Wisco, Shougang Group, Shagang, An steel. Tisco etc. We have best supply chain and competitive price, will match different quality and price level requirement. Now our clients throughout the world and areas in MID-east, Africa, South-America, Southeast Asia, Latin-America, Europe etc...
We have more than 15+ years of manufacturing experience and 20 years of domestic market. We have customized production capacity. We have more than 20 employees and the factory covers an area of more than 8,000 square meters. Year capacity up to 100, 000 Tons.
We are also agent of Baosteel, Wisco, Shougang Group, Shagang, An steel. Tisco etc. We have best supply chain and competitive price, will match different quality and price level requirement. Now our clients throughout the world and areas in MID-east, Africa, South-America, Southeast Asia, Latin-America, Europe etc...
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