1.Design: DIN3202 F6, EN1074-3
2.Body/Bonnet:Ductile Iron/Cast Iron
3.Ball Float:EPDM/Aluminum
4.Gasket:NBR
5.Bolt:Stainless steel
6.Wash:Stainless steel
7.Plug:Stailess steel
8.Flange end: DIN2532, EN1092-2
9.Working pressure: PN10 PN16
ball check valve