двойной дисковый обратный клапан

Китай disc check valve is applicable for various pipelines with norminal pressure of PN1.0MPa-42.0MPa, Class150-2500 and nominal diameter
of DN15-DN1200, NPS 1/2″-48″ and working temperature of -196ºC up to +540 ºC to be used for pretecting from medium backflowing.
The different materials of dual check valve selection can apply to the medium involving water, масло, азотная кислота,, acetic acid, strong oxidizing medium and urea , и т. д..