| NO. | Item | Material | Symbol |
| 1 | Body | Ductile Iron | ASTM A536-65-45-12 / GGG40 |
| 2 |
| Ductile Iron | ASTM A536-65-45-12 / GGG40 |
| 3 | Lower Stem | Stainless Steel | ASTM A182 410 416 420 431 |
| 4 | Disc | Ductile Iron | ASTM A536-65-45-12 / GGG40 |
| 5 | Upper Stem | Stainless Steel | ASTM A182 410 416 420 431 |
| 6 | Bushing | Bronze | ASTM B148 C954 |
| 7 | Seat | EPDM | -15℃ ~ +140℃ |
| NBR | -10℃ ~ +80℃ |
| 8 | Bolts | Carbon steel | A3 |
| 9 | "O"-Ring | EPDM/NBR |
|
| 10 | Bushing(long) | Bronze | ASTM B148 C954 |
| 11 | Disc bushing | Bronze | ASTM B148 C954 |
| 12 | Retainer-ring | 65Mn |
|
| 13-15 | "O"-Ring | EPDM/NBR |
|
| 16 | Name plate | Material |
|
| 17 | Washer | A3 |
|
| 18 | Plate | A3 |
|
| 19 | Nuts | A3 |
|
| 20 | Bolts | A3 |
|
| 21 | Handle | Assemble |
|
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