Table valve generally use ball valve, table valve after the cone type plunger valve.
Advantages of ball valve
Simple structure, small volume, light weight.
Fluid resistance is small, full diameter ball valve basically no resistance.
Good sealing performance. The ball valve has two sealing surfaces, and the sealing of the hard sealing ball valve is manually ground, until the spool and the sealing ring can be used. Like the corrosion resistant ball valve, the valve body cavity will be widely used a variety of plastics, good sealing performance, in the vacuum environment has been widely used.
Easy to operate. As a switch, cut off or change the flow of the medium of the valve, in use only need to rotate 90 degrees can, and the torque is small.
A wide range of applications and applications. Ball valve diameter from small to a few millimeters, large to a few meters, from really high altitude to high pressure can be used. Moreover, ball valves have been widely used in petroleum, chemical industry, power generation, paper making, atomic energy, aviation and rocket fields.

Three-way ball valves generally adopt two seat structure, can also adopt four seat structure according to user requirements. - Wenzhou Yuzheng Valve Co.,Ltd

Fluid resistance is small, and its resistance coefficient is equal to the pipe segment of the same length. Simple structure, small volume, light weight. Tight and reliable, the sealing surface material of ball valve is widely used plastic, good tightness, and has been widely used in vacuum system.

High platform ball valve is a relatively new type of ball valve, it has some advantages unique to its own structure, such as frictionless switch, seal is not easy to wear, opening and closing moment is small. In this way, the specification of the actuator can be reduced. With multi - rotation electric actuator, the medium can be adjusted and cut off. Widely used in petroleum, chemical industry, urban water supply and drainage requirements of strict cut off conditions.