1)quick close valve,快闭阀2)high temperature slam shut valverecipitator,高温快闭阀3)slam shut valve with mechanical trip,机械脱扣快闭阀4)quick-closure check valve,快闭止回阀
用法和例句
The structure and theory of quick-closure check valve, pilot slow-closure butterfly valve and imperfect-closure check valve are introduced.