● The disc will be opened when the upstream pressure is higher than downstream pressure. Otherwise, it is close.
● The seat of valve is designed in 45° slope form to shorten the close stroke, and it decreases the water slam.
● The inner body is designed in full flow area to ensure low-headlose, and the dirt can pass through easily.
● The flapper is composed of steel plate and steel bar, both parts are bonded with rubber to reinforce hardness,
so the flapper won’t be broken when valve opens and closes frequently.
● DN:50~900mm ( 2” ~ 36” )