Pressure / Temperature Ratings
| Cast Iron | Ductile Iron | |
|---|---|---|
| Working Pressure | 10 bar | 16 bar |
| Testing Pressure | Shell: 15 bar Seat: 11 bar | Shell: 24 bar Seat: 17.6 bar |
| Working Temperature | -20°C to 110°C (EPDM Seat) -10°C to 80°C (NBR Seat) | |
| Suitable Media | Water, Oil & Gas | Water, Oil & Gas |
Materials
| Part | Material | BS |
|---|---|---|
| Body | Cast Iron Ductile Iron | 1452 Gr. 220 2789 Gr. 500/7, 420/12 |
| Disc | Ductile Iron Aluminium Bronze Stainless Steel 304 Stainless Steel 316 | 2789 Gr. 500/7, 420/12 1400 AB2 970 304C 15 970 316C 16 |
| Seat Ring | EPDM NBR Viton | |
| Shaft | Stainless Steel 410 Stainless Steel 431 Stainless Steel 316 | 970 430 S37 970 431 S29 970 316 S16 |
| Taper Pins | Stainless Steel 316 | 970 316 S16 |
| O-Ring | NBR | |
| Bushing | Luberized Bronze | 1400 LG2 |
Note:
- Actuator mounting flange conforms to ISO 5211 drilling.
- The butterfly valve can be supplied with electric or pneumatic actuator.
- JIS B2239 10K and ANSI 150 flange standards available upon request.
- If used for gas application, please consult our sales office.
- Design and specifications are subject to change without prior notice.
