How do you test the safety of high-pressure steel-wire-reinforced hoses?

　　As is well known, High-pressure steel-wire-reinforced rubber hose Widely used across various industries, it has become a common component in industrial products. The safety of high-pressure steel‑wire‑reinforced hoses is of paramount importance to users, as it directly affects their safety during operation after purchase. So, how can the safety of these hoses be assessed?

　　1. Withstand Voltage Test

　　Perform a pressure test on the high-pressure hose to verify its pressure resistance, check for leaks in the hose body, and inspect for damage to components or other abnormalities, thereby ensuring the hose’s safety.

　　2. Air-tightness Test

　　The air-tightness test for high-pressure steel-wire‑reinforced hoses uses dry, clean air, nitrogen, or other inert gases as the test medium to detect leaks.

　　3. Is the texture of the rubber hose uniform?

　　Check High-pressure steel-wire-reinforced rubber hose Is the quality uniform, and are there any irregularities such as adhesive residues? If so, they will be deemed non‑conforming.

　　4. Flexibility Test

　　Bend the high-pressure steel-wire‑reinforced hose moderately to check its flexibility, ensuring it does not suffer unexpected breakage due to bending during use, which could disrupt normal operation.

　　High‑temperature, high‑pressure hoses are primarily used as hydraulic lines and for water supply and drainage. Examples include secondary cooling systems in continuous casting machines, lubrication stations in sintering plants, and blast furnace tapping equipment. For high‑temperature, high‑pressure oil hoses, we typically employ externally sourced asbestos‑reinforced technology, which is well suited for industrial high‑pressure oil lines. Because the asbestos material is inherently heat‑resistant, these hoses exhibit excellent pressure resistance, oil resistance, and corrosion resistance, while an additional high‑temperature‑resistant coating on the exterior further extends their service life and broadens their range of applications. Structure of asbestos‑reinforced hoses: The hose consists of an inner rubber layer, multiple layers of braided reinforcement, and an outer rubber layer, all encased in asbestos fabric, with a temperature rating of up to 300°C.

　　Asbestos hose features: high-temperature resistance, capable of conveying water at 100°C; withstands high pressure up to 10 kg and 20 kg. The burst pressure of rubber hoses is four times the working pressure, and they offer radiation protection, fire resistance, flame retardancy, electrical insulation, and aging resistance. Customizable specifications and diameters are available. Primarily used in medium-frequency furnace plants and electric furnace facilities.

　　Introduction to High-Temperature, High-Pressure Asbestos Hoses

　　Asbestos rubber hoses consist of a high-density asbestos fabric, an outer rubber layer, a reinforcing layer of natural or synthetic fibers, and an inner rubber layer. They are suitable for conveying cooling water in high-temperature environments such as steelmaking and ferroalloy electric‑arc furnaces. The water‑cable jacket for medium‑frequency induction furnaces features high pressure resistance and excellent electrical insulation.

　　Asbestos is a commercial term referring to silicate mineral products that exhibit high tensile strength, exceptional flexibility, resistance to chemical and thermal corrosion, electrical insulation, and spinnability. It is also resistant to high temperatures. High-pressure steel-wire-reinforced rubber hose It is the collective term for natural fibrous silicate mineral resources. Asbestos consists of fiber bundles, which in turn are composed of long and fine fibers that can be separated from one another. Asbestos exhibits excellent fire resistance, electrical insulation, and thermal insulation properties, making it an important material for fire protection, thermal insulation, and heat preservation.