materials and fine workmanship deliver seawater resistance and longterm durability in marine environments. Wearresistant design includes an Oshaped rubber ring for durability and a strong threaded connection that provides air tightness. Easy to use: K valve tools allow effortless disassembly and replacement, saving time and reducing maintenance costs. Precise construction: Carefully welded with precise hole positioning to ensure complete function and stable performance. Use scenarios Marine vessel maintenance: Ideal for routine valve servicing on boats, ships, and yachts in salty, seawater conditions, enabling quick disassembly and reliable resealing. Offshore and coastal facilities: Suitable for valves in offshore platforms or coastal installations where seawater exposure requires durable, airtight seals and secure connections. Workshop or field service: Useful for onsite repairs or workshop assembly of valves, allowing fast disassembly and replacement with consistent, stable performance.