electric damper valve for different situation ,such as explosion area. optional function is manual .

Описание: suzhou tongtu valve is a company which focus on damper valve and exhaust gas butterfly valve, these videos are recorded by our colleagues and show the product of our company , if you need these products , pls feel free to contact me ,
my microsoft teams account : frank.liang@tongtu-valve ,
E-mail: [email protected]
Thanks .