Simple structure, good interchangeability, and low price.
The stem seal is not easily deformed to avoid the normal stem leakage, and the overall support is good, stable and firm.
With less seat rubber, there is less potential for expansion and it is easier to control the torque within the proper range.
The use of two-piece valve stems with no pin connection, the structure is simple and compact, and maintenance and disassembly are very convenient.
The butterfly board has the function of automatic centering, and the butterfly board and valve seat are closely matched.a
The phenolic back valve seat has the characteristics of not falling o仔 tensile resistance, leakage prevention
and easy replacement.
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
