Complaint
Wafer Butterfly Valve
| NO. | Item | Standard |
| 1 | SIZE | DN25-2000 |
| 2 | Face to Face | API609, BS5155, DIN3202, ISO5752 |
| 3 | Connection Flange | DIN, BS, UNI, ISO, ANSI, AS, JIS |
| 4 | Mounting Flange | ISO5211 |
| 5 | Working Pressure | PN10/PN16/PN25 |
| 6 | Application | Fresh Water, Sea Water, Oil, Gas, Acid, Food, Steam |
| 7 | Application Temperature | -210-250ºC |
| 8 | Shaft Disc Connection Type | Pin/Pinless/Double Half Shafts |
| 9 | Seat Type | Soft Back/Hard Back/Vulcanized |
| 10 | Connection Holes No. | 2/4 Holes |
| 11 | Body Type | 1/2 Piece |
| NO. | PART | MATERIAL |
| 1 | Body | Cast Iron(GG25), Ductile Iron(GGG40/50), Carbon Steel(WCB A216), Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2507/1.4529), Bronze |
| 2 | Seat | NBR, EPDM/REPDM, PTFE/RPTFE, Viton, Neoprene, Hypalon, Silicon, PFA. |
| 3 | Shaft | SS416, SS431, SS304, SS316, Duplex Stainless Steel, Monel |
| 4 | DIsc | DI+Ni, Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2507/1.4529), Bronze, (DI/WCB/SS) coated (Epoxy Painting/Nylon/EPDM/NBR/PTFE/PFA) |
| 5 | Pin | Stainless Steel |
| 6 | Bushing | PTFE, Bronze |
| 7 | O Ring | NBR, EPDM, FKM |
| 8 | Operation | Hand Lever, Gear Box, Electric/Pneumatic/Hydraulic Actuator |
| Nominal Diameter | DN25-DN1200 | 1''- 48'' | DN25-DN1200 | 1''- 48'' |
| Nominal Pressure | 1.0 Mpa | 150 Psi | 1.6 Mpa | 250 Psi |
| Seal Test Pressure | 1.1 Mpa | 165 Psi | 1.76 Mpa | 275 Psi |
| Shell Test Pressure | 1.5 Mpa | 225 Psi | 2.4 Mpa | 375 Psi |
| Pressure Conversion | 1 Mpa=1, Bar=15Psi, PN20=Class 150 | |||
Tianjin Newton Valve Co., Ltd is a professional valve manufacturer of rubber seat butterfly valve, wafer check valve, ball check valve, resilient seat gate valve, cast iron valves for marine, Y strainer.
We adpot advanced, efficient, careful manage system to ensure that we can produce high-quality products in time, experieced sales team, perfect after-sales support to satisfy clients.
