1. Pressure since the sealing structure, sealed performance is good
2. Opening and closing more optional structure: elastic wedge plate, rigid wedge type single ram, rigid wedge type double ram
3. Sealing surface welded more than 3mm hard...
(1) Design Standard: DIN EN12288-2003
(2) Face to Face Dimension: DIN EN588-1:1995
(3) End Flange Dimension: DIN EN1092-1:2002
(4) Structures: B.B, OS&Y (Rising Stem)
