直流式液氢截止阀研制

Development of oblique type liquid hydrogen globe valve

介绍了新型氢氧火箭发动机试验系统的液氢主管道用DN250直流式截止阀的结构特点和性能参数,提出了低温阀门、漏热、阀颈长度和密封等技术问题的处理方法。

The paper introduces structure characteristics and performance parameters of DN250 oblique type liquid hydrogen globe valve used for liquid hydrogen main pipelines in the test system of new type hydrogen-oxy rocket engine, proposes handling methods for some technical problems, such as for low temperature valves, leakage of heat, the length of valve neck, sealing and so on.