butterfly check valve

常见例句

A built-in butterfly-shaped check valve for an insulating jacket serves heat insulating function.
一种具有保温设置的保温夹套内装式蝶型止回阀。
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At present, the development and production of the main products are butterfly valve, check valve, gate valve, ball valve, strainer valve, globe valve, slurry valve, diaphragm valves and so on.
目前，开发生产的主要产品有蝶阀、球阀、止回阀、闸阀、截止阀、浆料阀、隔膜阀等。
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Divided by the structure of a non-return valve can be divided into the H72 non-return valve on the jack-up folder, and Swing Check Valve Slow Close ZHYH46EJ micro butterfly check valve in three.
止回阀按结构划分，可分为H72对夹升降式止回阀、旋启式止回阀和ZHYH46EJ微阻缓闭蝶形止回阀三种。