1、Design and manufacture: DIN3352
2、Face to face dimensions: DIN 3202 F4/F5
3、Flange end: DIN 2532 DIN2533
4、Size: DN40-DN600
5、Working pressure: PN10 PN16
6、Body:Cast iron
7、Seat:Brass
8、Wedge disc:cast iron+brass
9、Stem:stainless steel
10、Stem nut:brass
11、Gasket:Graphite
12、Suffing box:Cast iron
13、Bolt:Carbon steel
14、Nut gasket:Carbon steel