| Materials | Brass body, ball and rod |
| Seals | PTFE ball seal; NBR-FKM O-Ring |
| Control element | Aluminium lever and butterfly |
| Thread | DN UNI ISO 228/1-G |
| Supplier code | DN ([mm]) | Dimension | Model | PN ([bar]) |
|---|---|---|---|---|
| label 1521 3/4 | 15 | 1/2u201d | 1521 | 30 |
| label 1521 1/2 | 15 | 1/2" | 1521 | 30 |
| label 1521 1 | 25 | 1u201d | 1521 | 30 |
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