Produk ini digunakan untuk pendikitan atau menutup aliran cecair yang mengakis atau bukan gased menghakis, dan cecair semi.

Injap pintu digunakan secara meluas dalam air paip, kumbahan, pembinaan, petroleum, industri kimia, makanan, perubatan, tekstil, kuasa, kapal, metalurgi

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

injap digunakan secara meluas dalam pengurusan pentadbiran perbandaran, penyenggaraan air, rawatan kumbahan dan lain-lain

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.