Hongruntong Marine (Beijing) Co., Ltd
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 2738 Pcs Per Month |
| Delivery Time | 5-7 Work Days |
| Packaging Details | Wooden Pallets, Wooden Box |
| Hose Type | Flexible Metal Hose |
| Reinforcement | 1-2 Layers Stainless Steel Braid Aisi 304 |
| Standard | ISO 10380:2012, EN 21012:2018 |
| Diameter | Available from 1/4" (6 mm) up to 16" (400mm) |
| Work Pressure | 2-22.5mpa(Change According to Size) |
| Tube | AISI 316 L / 304 / T321 |
| Couplings | As Request |
| Temperature | -250°C to +550°C |
| Shape | Round |
| MOQ | 1 |
| Brand Name | Hongruntong Marine |
| Model Number | HM-MH06 |
| Certification | ABS, DNV, RMRS, CCS, LR, BV, SGS, V-Trust |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 2738 Pcs Per Month |
| Delivery Time | 5-7 Work Days | Packaging Details | Wooden Pallets, Wooden Box |
| Hose Type | Flexible Metal Hose | Reinforcement | 1-2 Layers Stainless Steel Braid Aisi 304 |
| Standard | ISO 10380:2012, EN 21012:2018 | Diameter | Available from 1/4" (6 mm) up to 16" (400mm) |
| Work Pressure | 2-22.5mpa(Change According to Size) | Tube | AISI 316 L / 304 / T321 |
| Couplings | As Request | Temperature | -250°C to +550°C |
| Shape | Round | MOQ | 1 |
| Brand Name | Hongruntong Marine | Model Number | HM-MH06 |
| Certification | ABS, DNV, RMRS, CCS, LR, BV, SGS, V-Trust | Place of Origin | China |
| High Light | Adjustable 3 4 flex conduit ，High Pressure 3 4 flex conduit ，3 4 inch flexible metal tubing | ||
Adjustable Metal Tube High Pressure Multi Layer Steel Braid Burst Safety
Description
Designed for vibration damping and thermal expansion compensation, our flexible metal hose features precision-welded convolutions with low springback force, allowing tight-radius bending (3x OD) without kinking. The electropolished inner surface (Ra ≤ 0.8µm) ensures zero contamination for semiconductor, pharmaceutical, and ultra-high-purity (UHP) gas systems.
Specifications
| Place of Origin | Beijing, China |
| Brand Name | Hongruntong Marine |
| Hose Type | Flexible Metal Hose |
| Tube | AISI 316 L / 304 / T321 |
| Reinforcement | 1-2 Layers Stainless Steel Braid Aisi 304 |
| Diameter | Available from 1/4" (6 mm) up to 16" (400mm) |
| Work Pressure | -250°C to +550°C |
| Electrical Properties | Can be used in ATEX zones |
| Couplings | Made to Order With All Types Of Stainless Steel Fittings |
Key Features
► Electropolished Interior: Ra ≤ 0.4μm surface finish prevents particulate adhesion (SEMI F57 compliant)
► Galvanic Isolation: Dielectric breaks prevent electrolytic corrosion in mixed-metal systems
► Abrasion-Resistant Liners: Alumina ceramic (90% Al₂O₃) or tungsten carbide coatings for slurry applications
► Chemical Compatibility: Resists 98% sulfuric acid (20°C) and 50% NaOH (93°C) per ASTM G31 testing
Applications
► Petrochemical refining
► Offshore oil gas production
► Slurry abrasive media handling
► Exhaust gas systems
Why Choose Hongruntong Marine?
Global Compliance
International approvals: CE, CRN, GOST, AS/NZS, KGS
Material certs: NACE MR0175, NORSOK M-650
Welder qualifications: EN 287-1, AWS D17.1
Rapid Delivery Network
Stock program: 5,000+ standard hoses ready-to-ship
Express production: 7-day lead time for custom orders
Global logistics: DDP shipping to 60+ countries
Lifetime Support
Field service teams: Installation supervision worldwide
Reconditioning program: 50% cost vs. new hose
Technical hotline: 24/7 engineer support
Testing Validation
In-house lab: Helium leak test, FTIR, metallography
Performance testing: Cyclic fatigue, flow efficiency, EMI shielding
Documentation: Full test reports with traceable data
RFQ
1. Do you offer certified explosion-proof hoses?
Yes, our ATEX/IECEx Zone 0 certified hoses feature conductive liners (<10⁶ Ω/m) and flame-arresting construction per ISO 16852.
2. What's your minimum bending radius?
Depending on design, we achieve 3x hose diameter for static applications and 5x diameter for dynamic service - 30% tighter than industry averages.
3. How do you prevent hose failure from vibration?
Our proprietary braid patterns provide 82% vibration damping (ISO 10846-3 verified) with stainless steel wire optimized for fatigue resistance.
4. Can you make FDA-compliant hoses?
Our 316L-ELC sanitary hoses meet FDA 21 CFR 177.2600 with electropolished (Ra≤0.25μm) interiors and drainable tri-clamp connections.
Company Details
Business Type:
Manufacturer
Year Established:
1990
Total Annual:
24858200-29671200
Employee Number:
350~370
Ecer Certification：
Verified Supplier
Hongruntong Marine is a leading manufacturer specializing in the production of high-quality pipes and marine equipment. With over 30 years of industry experience, we are committed to providing reliable, durable, and innovative piping solutions for the marine and offshore sectors. Our products are de... Hongruntong Marine is a leading manufacturer specializing in the production of high-quality pipes and marine equipment. With over 30 years of industry experience, we are committed to providing reliable, durable, and innovative piping solutions for the marine and offshore sectors. Our products are de...
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