ANGODOS AG-NZZ is an total flow non return valve, built by a cast body that allows to safely control the unique direction of a fluid within the pipe due to the closing of the shutter when slowing the fluid speed.

The closure is vulcanized to the obturator, obtaining a smooth surface with very low roughness and hydrodynamic shape, achieving a tight seal by the axial is placement of the obturator in the same direction of the axis of the pipe The shutter guide system reduces vibrations in the system even at low speeds, geting long life of the valve, reducing maintenance operations, The internal hydrodynamic design, ensures low head loss avoiding the risk of cavitation even at high speeds and  liminating the possibilities of internal turbulence. The flow is laminarized avoiding the implosion of cavitation bubbles in the walls of the valve or the pipe.

The precision in machining guarantees us the uniformity of the seat, ensuring the water tightness under the most adverse conditions. The internal hydrodynamic design and the total section, give it exceptional hydrodynamic characteristics, minimizing the loss of load,