Pressure: PN16     
Size: 2"-24"      
Conntect: wafer      
Actuator: chain      
Main metral: stainless steel      
Disc: 2Cr13,201,304,316,316L      
Temp: less or 120      
Leakage: A(zero leakage)      
Sealing: X      
Packing: PTFE      
Media: Coal,swage,food,papermaking,medicine,gas,pulp

This new kind of valve including soft seal and hard seal is a new structure .Soft seal with activities seat and changeable rubber ring can easily replace damaged seal ring to achieve sealing requirement well, and can be made of PTFE seals according to customer's demands. It completely makes up for past PTFE difficult to seal and processing inconvenient and yoke is cast into a model using structure to make valve better robustness and usability.