| Series | BTF20221 |
| Standard | DIN |
| Pressure rating | PN10 |
| Size range | DN200 … DN500 |
| Body material | Worm Gear Operated - with Class Certificate |
| Class certificate | Class certificate on request (DNV, LR, ABS, BV) |
| No. | Part | Material |
|---|---|---|
| 1 | Body | Nodular cast iron GGG40.3 |
| 2 | Shaft | Stainless steel SS410 |
| 3 | Disc | Aluminium bronze |
| 4 | Seat | NBR |
| Size | Code | Code SDNR |
|---|---|---|
| DN200 | BTF20221-644 | |
| DN250 | BTF20221-G38 | |
| DN300 | BTF20221-G39 | |
| DN350 | BTF20221-G40 | |
| DN400 | BTF20221-G41 | |
| DN450 | BTF20221-G42 | |
| DN500 | BTF20221-G158 |
Codes from the ERGOMATIC Marine Valves Catalogue.
