Q11F-type PN16 ~ PN63 three-piece ball valve with internal thread for PN1.0 ~ 4.0MPa, working temperature -29 ~ 180 ℃ (PTFE seals to enhance) or -29 ~ 300 ℃ (for the right bit ring polystyrene) and a variety of pipeline, the pipeline used to cut off or connected to the media, the choice of different materials, can be separately applied to water, steam, oil, nitric acid, acetic acid and other media. 
 Major parts material 

 Applicable media type ball valve, valve stem seals handle gaskets, packing 
 Water, steam, oil Q11F-16C, Q11F-25C 
 Q11F-40C, Q11F-64C A105, 45 1Cr18/1Cr18Ni9Ti not 
 Rust 
 Steel 
 SS304 VUILUK PTFE PTFE PTFE PTFE PTFE PTFE on the position of the bits of polystyrene polystyrene PPL PPL 
 Nitric acid Q11F-16P, Q11F-25P 
 Q11F-40P, Q11F-64P SS304/1Cr18Ni19Ti SS304/1Cr18Ni9Ti 
 Acetic acid Q11F-16R, Q11F-25R 
 Q11F-40R, Q11F-64R SS316/Cr18Ni12Mo2Ti SS316/1Cr18Ni12Mo2Ti