译文：
设计要求 功能要求 高压超低温手动截止阀用于手动控制液氧或液氮的供应或切断。在35MPa下从xx截止至全开过程中，应灵活、无卡阻和爬行现象。高压 超 低 温气动截止阀由控制气压力操纵，即当供应开启控制气压力时阀打开，当供应关闭控制气压力时阀关闭。要求设置指示开启和关闭状态的输出信号机构，便于试验台用指示灯指示其状态。在35MPa下从xx截止至全开过程中，阀杆和活塞不应有卡阻和爬行等异常现象。 主要设计参数 工作介质:液氧、液氮 工作温度:一196'C-50'C 介质{zd0}工作压力:35MPa 通径:D NIO,D N20和DN32 气动截止阀操作控制压力: 6MPa

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原文：
Design requirements Functional requirements High pressure manual valve cryogenic liquid oxygen or liquid nitrogen used to manually control the supply or cut off. At 35MPa, from the fully closed to fully open process should be flexible, non-resistance and creep phenomena card. Ultra-low-temperature high-pressure pneumatic valve controlled by the control air pressure, that is open when the supply air pressure control valve is opened, when the supply of close control air pressure valve is closed. Opening and closing instructions required to set the output signal state agencies, to facilitate test stand with LED indicates the status. At 35MPa, from the fully closed to fully open process, the stem and the piston should not be jamming and reptiles such as abnormal. The main design parameters Working medium: liquid oxygen, liquid nitrogen Working temperature: a 196'C-50'C Maximum working pressure medium: 35MPa Path: D NIO, D N20 and DN32 Operational control of pneumatic valve pressure: 6MPa