Diaphragm Pressure Regulator Valve
| CODE | SIZE | QUANTITY IN BOX | |
| DN (mm) | Inch | ||
| 1388 | DN15 | 1/2'' | 25 |
| 1388-1 | DN15 | 1/2'' union | 25 |
| 1388-2 | DN15 | 1/2'' gauge | 25 |
| 1388-3 | DN15 | 1/2'' union + gauge | 25 |
| 1389 | DN20 | 3/4'' | 25 |
| 1389-1 | DN20 | 3/4'' union | 25 |
| 1389-2 | DN20 | 3/4'' gauge | 25 |
| 1389-3 | DN20 | 3/4'' union + gauge | 25 |
| 1390 | DN25 | 1'' | 20 |
| 1390-1 | DN25 | 1'' union + gauge | 20 |
| 1390-2 | DN25 | 1'' gauge | 20 |
| 1390-3 | DN25 | 1'' union + gauge | 20 |
