Fig. IV-7601 · System Devices & Accessories
Backflow Prevention Assembly — Double Check
Testable DCV protecting potable supply
WaterMark
Double check valve assembly preventing back-siphonage and back-pressure contamination of potable supplies from fire and irrigation systems.
Products are supplied to the stated API / ISO / ASME / AWWA standards from qualified manufacturers for projects in Saudi Arabia, including Dammam, Jubail, Yanbu, Riyadh, Jeddah and the Eastern Province. Certifications, monograms and listings are those of the manufacturing plant and are provided as specified in the purchase order.
Technical specifications
| Figure number | IV-7601 |
|---|---|
| Size range | 2″ – 10″ (DN50 – DN250) |
| Pressure rating | 175 psi (12 bar) |
| End connections | Flanged / Grooved |
| Typical materials | As specified on the project datasheet |
| Design standards | AWWA C510 pattern |
| Certifications (per manufacturer) | WaterMark |
Key features
- Two independent check modules
- Top-entry service — in-line repair
- Test cocks and shutoffs included
- Bypass-meter detector versions
