The pneumatic bellows globe valve is a high-performance, leak-free, long-life globe valve featuring a flexible, corrosion-resistant, high-temperature-resistant dual-metal bellows seal structure. This design effectively prevents process fluids from corroding the valve stem, making it particularly suitable for high-risk environments involving steam, thermal oil, and toxic media. This valve completely eliminates the drawbacks of conventional globe valves, such as rapid aging and leakage of stem packing seals. It not only enhances energy efficiency, increases equipment safety, and reduces maintenance costs and frequent servicing, but also provides a clean and safe working environment.