Flexible Metal Conduit Multiple Sizes Superior Corrosion Resistance Flexible Yet Strong
Description
Built for ore slurry, dredging, and abrasive media transfer, our wear-resistant metal hose combines hardened corrugations (HRC 55+) with replaceable ceramic liners. The external armored chains provide impact protection while the large-radius flow path reduces particle-induced erosion.
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 |
Top Features
► Flame Arrestor Design: Integrated sintered metal filters prevent flashback (ISO 16852 certified)
► Static Dissipation: Carbon-loaded PTFE liner maintains <10⁶ ohm/m surface resistivity
► Fail-Safe Locking: Positive mechanical interlocks prevent accidental disconnection
► Radiation Shielding: Lead-impregnated EPDM outer jacket (2mm Pb equivalent)
Applications
► Medical gas supply
► Food beverage processing
► Plasma etching wafer fabrication
Why Choose Hongruntong Marine?
Premium Material Selection
Aerospace-grade alloys: Inconel® 625/718, Hastelloy® C276, Titanium Gr.2
Certified stainless steels: 316L (1.4404), 904L (1.4539), Super Duplex (1.4410)
Traceable raw materials: Mill test reports (MTRs) with full chemical/mechanical data
Advanced Corrugation Technology
Laser-welded convolutions: Zero-defect seams (100% X-ray inspected)
Fatigue-optimized profiles: 3x industry standard pulse life (2M+ cycles, ISO 6803)
Custom waveform designs: Square/Omega/U-shaped for specific flex/strength needs
Multi Layer Reinforcement
Interlocked braiding: 2-4 layer 304/316L wire braid (0.1-3.0mm wire diameter)
Pressure-specific patterns: Diamond/Herringbone weaves for 50-1,000 bar applications
Anti-torsion systems: Counter-helical braid alignment prevents hose twisting
Extreme Temperature Mastery
Cryogenic expertise: -269°C to +150°C (vacuum-insulated versions available)
High-temp solutions: 1,200°C continuous service with ceramic-fiber insulation
Thermal cycling tested: 5,000+ cycles at 800°C ΔT without degradation
RFQ
1. Can you match competitor hose specifications?
We routinely reverse-engineer and improve upon existing designs, typically enhancing pressure ratings or cycle life by 20-30%.
2. What end connections are available?
All standard flange (ANSI/DIN/JIS), threaded (NPT/BSP), sanitary (SMS/3A), and quick-connect types, plus custom machined fittings.
3. How do you prevent electrostatic discharge?
Our conductive hoses feature carbon-loaded PTFE liners (<10⁶ Ω/m) with integrated grounding wires for hazardous area safety.
4. What support do you provide after sale?
We offer installation supervision, maintenance training, lifetime technical support, and a reconditioning program that cuts replacement costs by 50%.
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