off set type hp butterfly valve

APPLICATION : General use : Steam, Chemical, petrochemicals etc
SIZE : DN50 to DN600 ( 2 inch to 24 inch )
RATING : ANSI150LB,JIS10K/16K/20K etc.
CONNECTION FLANGE : See next 31 page
WORKING PRESSURE : Up to 25 bar
MATERIAL : See next 32 page
OPERATOR : Lever,gear,pneumatic,electric motor ect.
VALVE BODY STRUCTURE
Double Eccentric Disc Shaft Packing / Back Up Ring Bush
Rotating without contact with body ring provides long life time. Solid single piece stainless steel Stainless steel reinforced PTFE or Graphite practices maintenance free operation. Oil impregnated low friction bearing.
Valve Body Disc Disc Ring / Back Up Ring Body Seat Ring
Compact and light weight wafer type provides low cost and space utility. Tapered pin fixed double eccentric disc rotates with minimum friction of each seat ring. Stainless steel back up ring reinforced seat ring keep constant spherical figure with no regard to the expansion or contraction of disc. Stainless steel seat ring provides tight shut off with disc seat ring with no regard to thermal deformation of valve body.