| Item | Part name | Material |
| 1 | Body | Cast Iron: ASTM A126CL, DIN1691 GG25, EN 1561 EN-GJL-200; GB12226 HT200; DuctileCast Iron: ASTM A536 65-45-12, DIN 1693 GGG40, EN1653 EN-GJS-400-15, GB12227 QT450-10; Stainless Steel: ATSM A351 CF8, CF8M; CF3, CF3M; Carbon Steel: ASTM A216 WBC. |
| 2 | Stem | Zinc Plated Steel; Stainless Steel: ATSM A276 Type 316, Type 410, Type 420; ATSM A582 Type 416; |
| 3 | Taper Pin | Stainless Steel: ATSM A276 Type 304, Type 316, EN 1.4501; |
| 4 | Seat | NBR, EPDM, Neoprene, PTFE,Viton; |
| 5 | Disc | Ductile Cast Iron (Nickel plated); ATSM A536 65-45-12, DIN 1693 GGG40, EN 1563 EN-GJS-400-15, GB12227QT450-10; Stainless Steel: ATSM A351 CF8, CF8M; CF3; CF3M; EN 1.4408,1.4469; 1.4501; AL-Bronze: ATSMB148 C95400; |
| 6 | O-Ring | NBR, EPDM, Neoprene, Viton; |
| 7 | Bushing | PTFE, Nylon, Lubricated Bronze; |
| 8 | Key | Carbon Steel. |
