Characteristics：

  1, This valve should be installed at the outlet side of the pump. It can be installed vertical

     or horizontal. When install it at vertical position, the medium should flow from down to up

  2, Can connect with 90°flanges or 180°flanges.

  3, This valve has Non-return, regulating, close flow function.

  4, All sizes have special lifting hole, can be installed conveniently.