Features
- Double flange design, the disc is composed of CS plate, steel bar shaft and nylon reinforced fabric.
- The disc is totally encapsulated in NBR rubber for superior sealing and corrosion resistance.
- Nylon fabric are inserted into the disc for strengthening and preventing it from cracking and breaking during operations.
- Much shorter strike to minimize water hammer and water slamming.
- The flap disc rises above the flow profile reducing possible wear and damage.
- All iron parts are coated inside & outside with fusion bonded epoxy for corrosion resistance per AWWA C550.
- Simple design, top entry cover allows for access for cleaning, replacement and maintenance easy.
- Valve certified NSF61 for Drinking Water and NSF372 for Lead Content.
Specifications
| Design Standard | AWWA C518 |
| Size Range | 2” – 24” |
| Pressure Rating | 200 psi |
| Working Temperature | -10˚C ~ +80˚C 14˚F ~ +176˚F |
| End Connection | ANSI B16.1 ANSI B16.5 |
| Face-to-Face | AWWA C508 |
| Test & Inspection | AWWA C508 API 598 |
| Materials | Body : Ductile Iron Disc: Carbon Steel + Rubber |
