| Series | CHDL10221 |
| Standard | JIS |
| Pressure rating | JIS 5K, JIS 10K |
| Size range | DN50…DN600 |
| Connection | Wafer |
| Design | Manufactured in accordance to API 594 |
| Connection | Between flanges according to JIS B2220 5K – 10K |
| Face to face | According to API 594 |
| Pressure tests | According to API 598, table 6 |
| No. | Part | Material |
|---|---|---|
| 1 | Body | Ductile iron EN-GJS-400-15 |
| 2 | Disc | Aluminium bronze ASTM B148 C954 |
| 3 | Seat | NBR |
| 4 | Stem | SS316 |
| 5 | Spring | SS316 |
| Item | Medium | Value |
|---|---|---|
| Pound (K) | 5K | |
| Shell Test | Liquid | 1.5MPa |
| Sealing Test | Liquid | 1.1MPa |
| Hermetical Sealing Test | Gas | 0.6MPa |
| Suitable Temperature | NBR (-29～85°C) |
| Item | Medium | Value |
|---|---|---|
| Pound (K) | 10K | |
| Shell Test | Liquid | 2.4MPa |
| Sealing Test | Liquid | 1.76MPa |
| Hermetical Sealing Test | Gas | 0.6MPa |
| Suitable Temperature | NBR (-29～85°C) |
