回转阀
The opening and closing door is a gate valve or a vertical downward swing door which forms nested connection with the tank body.
启闭门为一闸板阀或者与罐体嵌套连接的竖直下开门。
The high-C_v-value nuclear safety class 1 swing check valve developement
核一级高C v值旋启式止回阀研制
Describe the structure characteristic and working principle of pressure seal swing check valve. Material selection and thrust ring design.
阐述了自压密封旋启式止回阀的结构特点、工作原理、材料选用和止推环设计。
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