Brass backflow preventer

The back flow prevention device protects the water line distribution network from any pollution and it's used in domestic appliances such as: heating systems, sanitary systems heating appliances.
Some rules made by companies who run the pipeline networks, or by town councils or sanitary institutes etc, impose the use of this device to prevent any possibility of polluting the water distribution system. It is any how always suggested to install the backflow preventer in order to avoid any possible contamination caused by the end user.
The device is divided into three chambers with different pressures (upstream, middle or centre and downstream):

• upstream and downstream chambers with check valves;
• middle or centre chamber with a draining facility;
• the device incorporates a filter upstream.

Brass ball valves
Gas brass ball valves
Built-in brass ball valves