Usage: Drinking water、sewage、seawater、food、medicines、gas、oil and acid
•Centerline structure, pinless double half shaft design.
•Disc has twoway bearing, no installation direction requirements.
•End flange can meet different connection standards at the same time.
•Nonbacked 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.