•Centerline structure, with pin on the through shaft or pinless double half shaft design.
•Disc has twoway bearing, no installation direction requirements.
•End flange can meet different connection standards at the same timeDN50mm_300mm.
•Holes for the end flange is drilling holesDN350mm_500mm.
•Backed replaceable seat with good performance and a longer working life.
•Square and short neck for lable use and cost saving.
•Easy installation, no need flange gasket.