Van cầu bellow seal ty nổi - Bellows sealed stop valves - Outside screw PN 25

(Cast Iron And Nodular Cast Iron Streamlined Flow Valves Outside Screw  PN 25)
- Size : DN15 - DN200
- Vật liệu: Thân Gang xám , gang cầu  / Ty, seat, bellow bằng Inox
- Áp suất : PN25