BAOYI sleeve plug valve has the structural characteristic of no internal medium cavity, and the product design can meet API 6D, API 599 and ASME standards. Generally, the product can be widely applied in the industries of petrochemical product, chemical product, coal gas, natural gas, liquefied petroleum gas, heating and ventilation, etc. As the control device for pipeline cutoff or connection, the product is particularly applicable to oilfield exploitation, transporting and refining equipment.

·The cutting ferrule type seal valve seat is set inside the valve body, and the metal edge is adopted for protection and fixing;
·Medium cavity is not set inside the valve body, so there is no medium accumulated therein; 
·The metal edge can provide opening/closing self-cleaning function, thus to solve the problem of viscosity and easy scaling;
·Two-way non-selective seal, convenient installation and use.