[Case Study] Contributing to Cost Reduction and Extended Lifespan with Special Valves and Thermal Spraying Technology
Extend lifespan with special valves and thermal spraying technology, contributing to significant cost reduction!
You were troubled by the short lifespan and high replacement costs of the large-diameter special specification valves currently in use. 1. The special valves, designed to withstand heat and wear, are expensive. The purchase cost of the valves is approximately over 10 million yen annually. 2. Due to high heat and wear, they become unusable within a few months and need to be replaced. The current annual maintenance costs include the valve costs + replacement costs exceeding several tens of man-hours + approximately 4 days of operational downtime losses.
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We proposed extending the lifespan and significantly reducing the running costs of rotary valves by applying surface treatment processing with hard metal to the structure. 1. Rotary valves are less likely to experience seal degradation due to frequent opening and closing operations or thermal effects. 2. Since wear resistance measures are not standard products, Kamata Industries will perform surface treatment processing with hard metal for delivery. Specifications: Cobalt-based thermal spraying on the tip of the rotary propeller, and tungsten carbide-based high-velocity thermal spraying on the inner surface of the valve casing. 3. The unit price of the product is more than double, but the lifespan is several times longer (currently about four times), resulting in cost savings. 4. This will reduce replacement work time, labor, and downtime, leading to significant cost reductions.
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