意大利PA安全阀：
1. VS 30
2. VS 160
3. VS 170 - VS 220 -1 inlet port
4. VS 170 - VS 220 - 2 inlet ports
5. VS 200/180
6. VS 140 - VS 240
7. VS 28 / 1 - 2 – 3
8. VS 28 / 1 - 2 pressure adjusted
9. VS 23-280-200°C - PED Aisi 303
10. VS 280 - VS 360
11. VS 350
12. VS 24 - VS 43 - Aisi 303
13. VS 80/150 - Aisi 303
14. VS 80/400 - Aisi 303
15. VS 80/150-280 - Aisi 316
16. VS 26 - Aisi 316
17. VS 450-300
18. VS 450-200
19. VS 500
例如：
VS 23-280-200°C - PED Aisi 303：
| Rated Flow Rate |
70 l/min |
18,5 USGpm |
| Rated Temperature |
200 °C |
392 °F |
| Material |
Stainless steel 303 |
| Couplings |
1/2 Bsp F |
| The safety valves supplied are pressure adjusted, lead sealed and numbered. |