It produkt wurdt brûkt foar throttling of ôfsluten út 'e stream fan corrosive of non corrosive gased, floeistoffen en semy floeibere.

De poarte kleppen wurde in soad brûkt yn kraanwetter, rioelwetter, bou, piteroalje, gemyske yndustry, iten, medisinen, textiel, macht, skip, metallurgy

Check valve is a kind of valve whose opening and closing parts are round valve disc, which can block the reverse flow of medium by its own weight and medium pressure

It fentyl wurdt in soad brûkt yn gemeentlike Adminstration, wetter Conservancy, riolearring behanneling etc

It is used in gas medium pipeline system of industrial and mining enterprises, municipal administration, environmental protection and other industries, especially suitable for absolute cut off of toxic, harmful and flammable gases.

Air damper is suitable for flue gas, dusty gas etc.