A withdrawal system (1) for a container (2) and comprises an immersion pipe (4) mounted on and projecting into the container (2) as well as a withdrawal head (5) that is attachable to the immersion pipe (4) by means of a rotary connection. The withdrawal head (5) attached to the immersion pipe (4) is secured by means of a mechanical locking unit.

A stillwell/siphon system may be attached or integrated into a foam delivery bucket. When pouring foam additive into the bucket, foam/bubbles may form in the foam additive. The stillwell may fill from the bottom to prevent the foam/bubbles from getting inside the stillwell tube so one can easily ascertain the level of foam in the container. The stillwell also blocks air pockets, formed from pouring foam into the container, from entering the outlet tube, which is positioned inside the stillwell.

A withdrawal system (1) for a container (2) and comprises an immersion pipe (4) mounted on and projecting into the container (2) as well as a withdrawal head (5) that is attachable to the immersion pipe (4) by means of a rotary connection. The withdrawal head (5) attached to the immersion pipe (4) is secured by means of a mechanical locking unit.

A valveless siphon decanter for processing fluid within a tank having a siphon tube external to the tank, the siphon tube having an output, a boom extending substantially transversely from the siphon tube, the boom providing a path for the communication of fluid from within the tank into the siphon tube, a vacuum head in association with the boom, the vacuum head having at least one orifice disposable within the tank for receiving the fluid, a vacuum source for creating a vacuum within the siphon tube and the boom to draw the fluid in through the at least one orifice of the vacuum head into the boom and into the siphon tube thereafter, a vacuum break for breaking the vacuum within the boom and the siphon tube; and wherein the siphon tube and the boom are disposed outside of the tank.