-Depend on the different application site, the valve seat of the Y type 3 way ball valve could be soft seal, spray welding nickel base alloy(hardness>HRC60), supersonic coating of tungsten cobalt alloy(Hardness>HRC70) and special hardening material, complaint to different application site, soft seal is compliant to the application site below 200 degree C, hard seal WCB is no more than 425 degree C.
-Y type 3 Way ball valve has two types of 120 degrees and 135 degrees between two passes, could change to the two different application sites of media accordingly
-Specially for the powder application site,
