Butterfly Valve
| Technical Specification | |
| Design standard | BG-12238-89, API 609, BS5155 |
| Flange Standard | ANSI 125/150, DIN2501 PN10/16/25 |
| Connection Manner | Wafer Connection |
| Inspection and Test | GB13927, API 598 |
| Nominal Pressure | 0.6Mpa, 1.0Mpa, 1.6Mpa, 2.5Mpa, 150LB |
| Model of Driving | Manual, Electric, Air operated |
| Item | Part Name | Material | Standard | Material | Standard |
| 1 | Body | GG25 | A126B | CF8 | A351 |
| GGG40 | A536 | CF8M | A351 | ||
| WCB | A216 | AL BRONZE | B148 | ||
| 2 | Disc | GGG40 | A536 | AL BRONZE | B148 |
| CF8 | A351 | WCB | A216 | ||
| CF8M | A351 | GGG40+EPOXY | A536 | ||
| 3 | Stem | SS416 | A276 | SS410 | A276 |
| SS431 | A276 | SS316 | A276 | ||
| SS304 | A276 | - | - | ||
| 4 | Seat | NR | X1 | WEAR-RESISTANT | X5 |
| HYPALON | X2 | VITON | X6 | ||
| EPDM | X3 | HEAT-RESISTANT | X7 | ||
| NEOPRENE | X4 | PTFE | F4 | ||
| 5 | Bushing | PTFE | ATEM B438 | C954 | B148 |
| 6 | O Ring | EPDM | X3 | VITON | X7 |
| NBR | X5 | - | - | ||
| 7 | Gear Box | Assembling | A536 (Gear) | Assembling | A536 (Gear) |
| 8 | Lever | GGG40 | A536 | SS304 | A276 |
| Aluminum | AL2 | WCB | A216 | ||
| 9 | Indicator | GGG40 | A536 | Aluminum | AL2 |
| SS304 | A276 | WCB | A216 |
