Check valve refers to the opening and closing parts of the circular disc and by its own weight and media pressure generated action to block the media flow back valve.  Automatic valve class, also known as check valve, one-way valve, backflow valve or isolation valve.  Disc motion is divided into

Check valve refers to the hole and ultimate additives of the spherical disc and through its very own weight and media pressure generated movement to dam the media drift lower back valve.  automatic valve beauty, also known as take a look at valve, one-manner valve, backflow valve or isolation valve

Check valve refers to the opening and last components of the round disc and through its own weight and media strain generated motion to dam the media flow returned valve.  computerized valve elegance, also known as check valve, one-way valve, backflow valve or isolation valve.  disc movement is