Standard and structural form of the shut-off valve

The shut-off valve body comes in three main structural forms: straight-through, direct-flow, and right-angle. Among these, the straight-through design is the most commonly used, but it has the highest fluid resistance. Direct-flow valves have lower resistance, making them ideal for fluids containing solid particles or those with high viscosity. Right-angle valves are typically forged and are suitable for small bore, high-pressure applications. A brief summary of the globe valve: The main criteria for globe valves include: 1. GB/T 12233-2006 "General Valve - Iron Globe Valves and Lift Check Valves" 2. GB/T 12235-2007 "General Valve - Flanged Steel Shut-off Valves and Lift Check Valves" 3. JB/T 53174-94 "Classification of Quality for Shut-off Valve Products" 4. JB/T 53165-92 "High Pressure Balanced Globe Valve" 5. GB/T 587-2008 "Marine Flanged Valves for Marine Flanges" 6. GB/T 590-2008 "Marine Flanged Cast Iron Globe Valve" 7. GB/T 8464-2008 "Iron and Copper Threaded Connection Valves" 8. GB 8465.2-87 "Basic Dimensions for Threaded Gate Valves, Globe Valves, Ball Valves, and Check Valves" The structural form of a globe valve can vary depending on the application. The straight-through type is widely used due to its simplicity, though it offers higher flow resistance. The direct-flow design minimizes resistance and is often preferred in industrial settings where fluid flow efficiency is critical. Right-angle valves are generally manufactured through forging and are more common in high-pressure environments with smaller pipe sizes. When installing and maintaining a shut-off valve, the following points should be considered: 1. Handwheel and handle-operated valves can be installed at any position along the pipeline. 2. Do not use handwheels, handles, or actuation mechanisms for lifting or as a support. 3. Ensure that the direction of the medium flow matches the arrow marked on the valve body. For more information about different types of valves, visit: [http://news.chinawj.com.cn](http://news.chinawj.com.cn) Standard and structural form of the shut-off valve Submitted by: Standard and structural form of the globe valve

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