Recently, New type 2 Ways Non-Lubricated Sleeved Plug Valves was Released by China Valve Manufacturer -  PipesTec Valves.
The type of non lubricated plug valves' key features as followed:
Size: 12", Class 600,
Flanged Ends, RF, Reduced bore, 2 ways.
Plug Valve Type:  Sleeved.
Body Materials: Carbon Steel, Std & Gr. ASTM A 216.
Material: Stainless Steel, std & Gr. ASTM A 351 CD4MCU.
Seat Materials: Teflon.  
Bonnet Material: Carbon Steel.
Type: Bolted.
Stem Material: Stainless Steel.
Seal Material: Teflon 15% RPTFE.