Heavy-Duty PVC Coated Metal Hose with Galvanized Steel Strip

High-Performance Metal PVC Coated Bellows – Ultimate Cable Protection for Harsh Industrial EnvironmentsOur metal PVC coated bellows features a galvanized steel interlocked inner core tightly wrapped with a modified PVC outer layer, combining the superior mechanical strength of metal with the excellent insulation and weather resistance of plastic. It is the ideal solution for protecting sensitive cables and wires in industrial automation, heavy machinery, railway transportation, outdoor electrical systems, and construction projects, delivering unmatched reliability in extreme conditions.

Specifications

Applications

・Industrial automation & CNC machinery wiring
・Heavy machinery, construction equipment & mining vehicles
・Railway transportation, new energy vehicles & shipbuilding
・Outdoor electrical installations (solar, street lighting, infrastructure)
・Fire protection systems, security & surveillance cabling
・Underground burial & heavy-load cable routing

Why Choose Our Metal PVC Coated Bellows?

✅ Material Guarantee: Galvanized steel inner + modified PVC outer, 100% new material
✅ Interlocked Structure: Unbreakable, non-deformable, anti-de-interlock
✅ Long Service Life: 5-8+ years of stable performance in outdoor/harsh environments
✅ Safety Certified: V0 flame retardant, UV resistant, temperature resistant
✅ Dual Performance: High compressive strength + excellent flexibility
✅ Custom Solutions: Available in various diameters, lengths, and colors
✅ Cost Efficiency: Reduces maintenance, replacement, and downtime costs over the product lifecycle

Advantages
 

1. Galvanized Steel Interlocked Inner Structure – Unbreakable & Deformation-Resistant

• Your Pain Point: Ordinary plastic conduits crush easily under heavy loads, while low-quality metal hoses break or de-interlock under tension, causing cable damage and unplanned downtime.
• Our Benefit: The interlocked galvanized steel core provides exceptional tensile, impact, and crush resistance. It never breaks, deforms, or de-interlocks, ensuring 100% cable protection in heavy-load and high-vibration environments.

2. Tight Modified PVC Outer Coating – Anti-Corrosion & Insulation Guaranteed

• Your Pain Point: Bare metal hoses rust and corrode quickly in humid/harsh environments, with poor insulation leading to electric shock risks; cheap PVC coatings peel off easily, losing protection.
• Our Benefit: The modified PVC layer is tightly bonded to the steel core, no gaps, no peeling. It completely isolates the metal from the environment, preventing rust and corrosion, while providing excellent electrical insulation to eliminate leakage and short-circuit risks.

3. Superior UV & Weather Resistance – Built for Long-Term Outdoor Use

• Your Pain Point: Standard PVC conduits degrade rapidly under sunlight, becoming brittle and cracking within 1-2 years, requiring frequent maintenance and replacement.
• Our Benefit: Our UV-stabilized modified PVC formulation maintains conduit integrity for 5-8+ years under direct sunlight, rain, and extreme temperature fluctuations. Perfect for solar farms, street lighting, and outdoor construction, eliminating frequent maintenance costs.

4. UL94 V0 Flame Retardant – Safety First for Electrical Systems

• Your Pain Point: Non-flame-retardant conduits fuel electrical fires, putting your equipment, facilities, and reputation at serious risk.
• Our Benefit: Meets strict UL94 V0 flame retardancy standards – self-extinguishes within seconds, preventing flame spread. Acts as a critical safety barrier, protecting your wiring and minimizing fire hazards in industrial and automotive settings.

5. Extreme Temperature Resistance – Stable Performance in Harsh Conditions

• Our Pain Point: Conduits soften or crack in high/low temperature zones (e.g., engine bays, factory floors, cold storage), losing their protective function and causing cable damage.
• Our Benefit: Operates reliably from -40°C to 125°C (short-term up to 150°C). The PVC coating remains intact and the steel core maintains strength in extreme heat or cold, ensuring continuous cable protection.

6. High Compressive Strength + Excellent Flexibility – Best of Both Worlds

• Your Pain Point: Rigid metal hoses are hard to route, while flexible plastic conduits lack crush resistance, failing to meet heavy-load and complex wiring needs.
• Our Benefit: The interlocked structure and composite material deliver both high compressive strength and outstanding flexibility. It bends easily for complex routing in tight spaces, while withstanding heavy ground loads and mechanical impact.

7. Excellent Electrical Insulation – Eliminate Safety Hazards

• Your Pain Point: Bare metal conduits have no insulation, posing electric shock and electromagnetic interference risks to sensitive cables.
• Our Benefit: The modified PVC outer layer provides high insulation resistance, completely isolating leakage risks and shielding electromagnetic interference, ensuring stable transmission of power and signal cables.

FAQ

Q: What is this PVC coated metal hose used for?

A: It is a flexible conduit for protecting cables/wires in industrial, electrical and construction wiring.

Q: What materials is it made of?

A: Inner galvanized steel strip + outer PVC coating, for durability and corrosion resistance.

Q: Is it flexible and bendable?

A: Yes, highly flexible, easy to bend and route in complex installation spaces.

Q: What is its waterproof performance?

A: The PVC coating provides good waterproof and dustproof protection.

Q: Can it resist corrosion and rust?

A: Yes, the PVC coating and galvanized inner core prevent rust and corrosion.

Q: What temperature range can it withstand?

A: Normally -10°C to +70°C, suitable for indoor and shaded outdoor use.

Q: Is it oil and chemical resistant?

A: Yes, it resists common oils, weak acids, alkalis and industrial pollutants.

Q: What sizes are available?

A: Full range of standard diameters to match different cable needs.

Q: Is it compatible with standard connectors?

A: Yes, compatible with standard metal hose connectors and cable glands.

Q: Can it be used outdoors?

A: Yes, recommended for shaded areas; avoid long-term direct strong sunlight.