... 湿式报警阀wet alarm valve 阀瓣组件sealing assembly 补偿器compensator ...
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wet alarm valve installation 湿式阀装置
Wet alarm valve assemblies 报警湿阀组件
Wet alarm valve group 湿式报警阀组
Wet-stop alarm valve 湿式报警阀
wet type alarm valve 湿式报警阀
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The ZSFL Pre-action Alarm System is made by equipping the top of the outlet of the deluge alarm valve with a wet-type alarm valve of the same size.
ZSFL预作用装置是在本公司生产的雨淋报警阀出水口上端配接一套同规格的湿式报警阀构成的预作用报警装置。
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