SEV 3-way&4-way ball valve with novel and unique construction and special design of control system.It is applicable to the working conditions of converging and diverting the media of fluid,gas and powder.

With 4-sides seat sealed structure of mechanic equilibriumadopted, it has a very reliable sealingperformance and smooth transitional flow passage that minimizes the resistanceand maintains a steady flowing path to ensure accurate changeover between open and close. 

Subject to the patterns of flow channel, 3-way ball valves are classified into the categories of L-port and T-port,4-way ball valve is X-port.

SEV can provide solutions and customized products according to the work conditions and medium flow characteristic.