Vent butterfly valves
Vent butterfly valves are produced according to OST 5.5289 requirements and working drawings. Every valve is checked for reliable operation and is tested with a pressure of 3 bars (0.3 kg/cm2).
All of these products fit OST 5.5316 and RMRS 240712.002TU (23.01.2019) requirements. SPI RMRS certificate is provided upon request.
Specifications
| Dia | Type | Part number | |
| Steel | Aluminum alloy | ||
| 50 | I | 545-03.329 | 545-03.342 |
| 80 | 545-03.330 | 545-03.343 | |
| 100 | 545-03.331 | 545-03.344 | |
| 125 | 545-03.332 | 545-03.345 | |
| 150 | 545-03.333 | 545-03.346 | |
| 175 | 545-03.334 | 545-03.347 | |
| 200 | 545-03.335 | 545-03.348 | |
| 250 | 545-03.336 | 545-03.349 | |
| 300 | 545-03.337 | – | |
| 350 | 545-03.338 | – | |
| 400 | 545-03.339 | – | |
| 450 | 545-03.340 | – | |
| 500 | 545-03.341 | – | |
| 50 | II | – | 545-03.350 |
| 80 | – | 545-03.351 | |
| 100 | – | 545-03.352 | |
| 125 | – | 545-03.353 | |
| 150 | – | 545-03.354 | |
| 175 | – | 545-03.355 | |
| 200 | – | 545-03.356 | |
| 250 | – | 545-03.357 | |
| 300 | – | 545-03.358 | |
| 350 | – | 545-03.359 | |
| 400 | – | 545-03.360 | |
| 450 | – | 545-03.361 | |
| 500 | – | 545-03.362 | |
| 100 | III | 545-03.363 | 545-03.374 |
| 125 | 545-03.364 | 545-03.375 | |
| – | 545-03.376 | ||
| 150 | – | 545-03.377 | |
| 545-03.365 | 545-03.378 | ||
| 175 | – | 545-03.379 | |
| 545-03.366 | 545-03.380 | ||
| 200 | 545-03.367 | 545-03.381 | |
| 250 | 545-03.368 | 545-03.382 | |
| 300 | 545-03.369 | 545-03.383 | |
| 350 | 545-03.370 | – | |
| 545-03.371 | – | ||
| 400 | 545-03.372 | – | |
| 450 | 545-03.373 | – | |
