| Materials | Specifications | 
|---|---|
| Body : Cast Iron | Flanges : Un-Drilled | 
| Disc : Lead Free Bronze | Max Pressure : PN17 | 
| Seat : Lead Free Bronze | Max Temperature : 80°C | 
| Resilient Seat : (NBR / EPDM ) | Certified to : AWWA C508 Certified | 
| Spring : 316 Stainless Steel | Size : 80 - 600 (NB) mm | 
| * Other sizes available upon request |