： Rubber reinforced hoses with steel wire (GB/T11182-1989)
Steel wire reinforcement is used in the manufacture of rubber hoses and tubes to provide extra strength and reliability. Steel wire reinforcing can be used to improve the flexibility of rubber hoses and tubes, increasing their lifespan and performance. The use of steel wire in rubber hose and tube construction has a number of advantages. Due to its low stiffness, steel wire does not significantly affect the flexibility of the rubber tubes and hoses, but it does increase their strength, allowing them to resist higher pressures. Furthermore, the use of steel wire also improves kink resistance, further increasing performance and product life.
The Chinese standard GB/T11182-1989 outlines the general requirements of rubber reinforced hoses with steel wire. This Standard specifies the construction, size, inspection, testing and marking of rubber reinforced hoses with steel wire. It is relevant to both options: integral steel wire reinforced and spiral or helix steel wire reinforced rubber reinforced hoses. According to the Standard, steel wires used for reinforcement shall be made of non-rusting steel, such as stainless steel, brass-coated steel, nickel-coated steel and galvanized steel.
In general, it should be ensured that the steel wire reinforcing is of equal length and evenly distributed within the hose or tube during the manufacturing process. It is also important that a sufficient outlet is given for the end of the steel wire reinforcing element when used in a tube to ensure that the material does not damage the internal surface of the tube. The working temperature of rubber reinforced hoses and tubes with steel wire should never exceed the working temperature of the rubber material used to manufacture them.
The performance of rubber hoses and tubes with steel wire reinforcing must be tested in accordance with the relevant Chinese standard. Hose and tube samples should be tested for external and internal pressure resistance, as well as to verify their bursting and elongation properties. Once the testing requirements have been met, the products can be accepted and passed to the next step of the manufacturing procedure. The relevant Chinese Standard also specifies the inspection requirements and marking rules for rubber reinforced hoses and tubes with steel wire reinforcing.
Steel wire reinforcing plays an important role in the manufacture of rubber hoses and tubes, increasing their strength and reliability. The use of steel wire reinforcing is regulated by the Chinese Standard GB/T11182-1989, which covers the general requirements of the material and the inspection, testing and marking requirements. Steel wire reinforced rubber hoses and tubes should not be used at temperatures exceeding the working temperature of the rubber material used for their manufacture.
