| Design
Std. |
API 609 |
| Face
to Face |
API 609, MSS-SP
67. |
| Testing
Std. |
EN 12266-1 (BS
6755-1) |
| Body
Material (Split) |
DI, WCB, CF8, CF8M
etc. |
| Unlined
Disc (Integral Stem) |
CF8M, CN7M,
HAST–B, HAST-C |
| Disc
Lining |
PFA / FEP |
| Seat |
PTFE. |
| Body
Styles |
Wafer & Lugged. |
|