Introduction to plastic coated metal hose
Plastic-coated metal hoses are primarily constructed from austenitic stainless steel, which ensures outstanding resistance to both high temperatures and corrosion. This material choice makes the plastic-coated metal hose suitable for a wide range of operating conditions. The temperature range it can handle is extensive, from -196°C to 600°C. Depending on the corrosive nature of the fluid or gas in the pipeline, different grades of stainless steel can be selected to enhance the hose's durability and performance in harsh environments.
The annular plastic-coated metal hose features a tubular shell with a corrugated, closed-ring design. These rings are connected in series through circular corrugations, providing structural integrity while allowing flexibility. This type of hose is typically manufactured from seamless or welded pipes. Due to the manufacturing process, the length of a single section is usually shorter compared to spiral bellows, making it ideal for applications where compact, flexible connections are required.
Plastic-coated metal hoses are produced using extremely thin-walled seamless or welded stainless steel tubes that are coated with a high-precision plastic layer. The unique profile of the hose gives it excellent elasticity, resulting in superior softness and fatigue resistance. This allows the hose to easily absorb cyclic loads caused by movement and deformation in pipeline systems, ensuring long-term reliability and performance under dynamic conditions.
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