01/ Apr. 07, 2021

How Does a Ball Valve Work?

​A ball valve is a globe valve that controls the flow of a liquid or gas by means of a rotating ball with a bore. By rotating the ball a quarter-turn (90 degrees) around its axis, the medium can flow through or be blocked.

02/ Apr. 01, 2021

How To Select a Centrifugal Pump?

Centrifugal Pumps are useful since they can generally handle large quantities of fluids, provide very high flow rates (which may vary with the changes in the Total Dynamic Head (TDH) of the particular piping system) and have the ability to adjust their flow rates over a wide range.

03/ Mar. 24, 2021

Final commissioning of our pumps in Chengdu Tianfu Airport

engineers of Sichuan Zigong Pump & Valve Co.,Ltd were invited to manage the final commissioning of the diesel engine water supply pumps to enable successful opening of Chengdu Tianfu Airport. It is firmly believed that our diesel engine double suction...

04/ Mar. 20, 2021

What Is a Mixed Flow Pump?

A mixed flow pump is a centrifugal pump with a mixed flow impeller. The specific speeds (ns) lie between 35 and 80 rpm for low-speed mixed flow pumps and between 80 and 160 rpm for higher-speed mixed flow pumps (in special cases even higher).