Graphite packing is a commonly used sealing material that helps prevent leaks in valves and pumps. Replacing graphite packing is a routine maintenance task, and the process often involves disassembling and reassembling the packing using specialized tools. In many power plants across the country, workers typically use needles and hooks to remove the graphite packing. While this method works well for the initial layers, it becomes increasingly difficult when reaching the bottom of the packing, as the material tends to get stuck or break apart easily.
To address this challenge, a Japanese-made boxed packing tool has been developed. This tool is designed to make the packing process more efficient and less labor-intensive. It comes with a set of special components, including screws, wrenches, and a flexible shaft. The tool is available in three different sizes: 8 mm, 10 mm, and 14 mm or larger. Each size includes matching screws and wrenches, ensuring compatibility with different packing dimensions. Additionally, there are two types of wrenches available—one for 6–20 mm packings and another for 9 mm or larger.
The tool also features a crochet hook, which is useful for lifting and positioning the graphite rings. The flexible shaft is an essential part of the system, allowing the user to insert the screw into the packing and rotate it to extract the material. By securing the screw into the flexible shaft and tightening it with the wrench, the user can easily pull out the graphite packing from both sides. After each layer is removed, additional graphite rings can be added using the same method.
This tool not only improves efficiency but also reduces the risk of damaging the packing during removal. It is especially popular among maintenance workers due to its ease of use, portability, and durability. Whether you're working on a valve or a pump, this graphite packing tool offers a reliable and practical solution for maintaining optimal sealing performance.
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