Inner tubes protect against punctures and enable operation in harsh conditions where tubeless systems are impractical. For industrial and agricultural equipment like tractors and loaders, inner tubes allow easier field repairs and quick replacements. Products like Kabat UN.G. 14.00-20 KABAT V3 02.14 Unutrašnje are engineered for extreme working conditions.
The inner tube size must exactly match the outer tire – dimensions like 14.00-20 refer to width and rim diameter. The valve must be long enough to protrude through the rim, with TR218A (straight) and TR15 (bent) being the most common types. An incorrect valve can cause air leaks or prevent proper inflation.
Kabat inner tubes are known for thick walls and quality rubber that withstands high pressures and sudden temperature changes. These tubes are used on excavators, forklifts and agricultural machinery where longevity matters. Kabat valves are made from brass or nickel-plated brass, preventing corrosion and extending service life.
Many users try to extend the life of worn inner tubes with patches and sealants, which is risky. A damaged inner tube loses elasticity, creates folds during inflation and can explode under pressure. Always inspect the tube before mounting – cracks or deformations require replacement, not patching.
Before installation, dust the inside of the outer tire and the inner tube itself with talcum powder to reduce friction and prevent sticking. Check that the inside of the outer tire has no sharp edges or foreign objects that could puncture the tube. Proper inflation – gradual and even – prevents folds and ensures the valve seats firmly in the rim hole.
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