Wafer spring check valves
Back check valves with stainless steel disc, installed between flanges, for LPG and other petroleum or chemical fluids.
ARD series
All-stainless-steel valve with spring and disc for mounting in any position.
Metal/metal sealing (leakage rate according to API 598 standard).
Compatible for explosive atmospheres, ATEX Zone 1&21 and Zone 2&22.
Valve complying with EC regulation 1935/2004 on request.
- Dimensions: DN15 to DN200
- Connection: Between flanges PN10/16/25/40
- Minimum temperature: -20°C
- Maximum temperature: +400°C
- Maximum pressure: 40 Bars
| Dimension | Part number |
| ½’’ | ARD15 |
| ¾’’ | ARD20 |
| 1’’ | ARD25 |
| 1’’1/4 | ARD32 |
| 1’’1/2 | ARD40 |
| 2’’ | ARD50 |
| 2’’1/2 | ARD65 |
| 3’’ | ARD80 |
| 4’’ | ARD100 |
Product categories
This product is present in the following categories:
- LPG > LPG storage > Pipings and accessories > Back check valves
- Industrial gases > Ammoniac - NH3 > Equipment for tanks and pipings > Back check valves and excess flow valves
- Industrial gases > Refrigerant gases > Equipment for tanks and pipings > Back check valves and excess flow valves
- LPG > LPG storage > Above ground big bulk LPG storage tanks > Filling
- LPG > LPG storage > Under ground big bulk LPG storage tanks > Filling