Rubber Disc Check Valve
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 |
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.
Document | Type | Download |
---|---|---|
VT - CV - Rubber Disc Check Valves_AN.pdf | English |