· Simple structure, good interchangeability, and low price.
· Two pieces no-pin connection, easy to maintain and disassembly.
· With less seat rubber, there is less potential for expansion and it is easier to control the torque within the proper range.
· It is no drop, tensile resistance, leakage prevention and easy to be replaced, the combination of the backrest and the valve seat seal reduced the deflection on the valve seat.
· The butterfly board has the function of automatic centering, and the butterfly board and valve seat are closely matched.
· Surface: Polyester, RAL9006, 100μ
· Face-to-face: EN558-1
· Counter flange: DN40-DN300, PN10/16/ANS1150
· BS10 TABLE D/E JIS 10K 16K
· DN350 -DN600 PN10 or ANS1150 BS10 TABLE D/E
