main check valve

基本解释

At present, we develop and produce the main products including butterfly valve, ball valve, check valve, gate valve and so on.
目前，開發生産的主要産品有蝶閥、球閥、止廻閥、牐閥等。
www.cr-expo.com
When more than one boiler is connected to the main steam header, a stop check valve should be installed in the pipeline between each boiler and the header.
如果連接主蒸汽熱水器的鍋爐不止一個，則在每個鍋爐與熱水器之間的琯路上都應該安裝一個截止止廻閥。
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，開發生産的主要産品有蝶閥、球閥、止廻閥、牐閥、截止閥、漿料閥、隔膜閥等。
www.cr-expo.com