Double flange resilient seated butterfly valve Ductile iron, Stem:SS420 DIN3354-F4/ISO5752/EN593 DN100-4000 PN10/16/25/40
Double flange resilient seated butterfly valveDuctile iron, Stem:SS420DIN3354-F4/ISO5752/EN593DN100-4000PN10/16/25/40
Double eccentric type
This product adopts double eccentric structure, so the sealing surfaces can be separated during opening without any damage. Its new structure,excellent performance and bi-directional function. Its widely used to throttle or adjust medium flow volume in industrial pipeline in the fields of water supply and drainage, petroleum, power and municipal construction.
Face to face according to ISO5752 series 14(DIN3202-F4/EN558-14)
Flange drilled according to ISO7005-2(EN1092-2, DIN2501)
Coating: fusion bonded epoxy resin thickness≥250um
| Sr-no. | Part name | Material | |||||
| 1 | upper shaft | SS 420 | |||||
| 2 | shaft bearing | Al-Bronze | |||||
| 3 | valve body | Ductile iron | |||||
| 4 | seat ring | EPDM/NBR | |||||
| 5 | valve disc | Ductile iron | |||||
| 6 | retaining ring | SS 304 | |||||
| 7 | body seal ring | SS 304 | |||||
| 8 | lower shaft | SS 420 | |||||
Other materials are available on request.
Suitable medium: water and low-corrosive liquid etc.
Suitable temperature: -10~120°C.
double flange resilient seated butterfly valve
