| Model | 450 OSYG |
| Weight | 459 lbs. (208.4 kg) |
| URL | View |
| Description | Lead-Free* DC Double Check Valve Assembly |
| Bend Radius | 1.25 in |
| Manufacturer | Zurn Wilkins |
| Flow | 0 (gal)/min |
| Nominal Diameter | 6 |
| Pipe Vertical Position | 6.25 in |
| Application | Potable water line backflow prevention. Designed for installation on potable water lines to protect against both backsiphonage and backpressure of polluted water into the potable water supply. |
| Product Page URL | View |
| Max Working Water Temperature | 140 degF |
| Product data url | View |
| Nominal Radius | 3 |
| Standards Compliance | ASSE, IAPMO, FCCCHR@USC, CSA, AWWA, UL, C-UL, FM, NYC, NSF 61-G |
| Max Working Water Pressure | 175 lb/(in^2) |
| Main Body | 6" |
| Pressure Loss at Rated Flow | 4.7 lb/(in^2) |
| Pipe Size | 1 in |
| Symbol Length | 24 in |
| Gate Valve | 6" |
| Type Comments | Grooved Connections AWWA C606 - Steel |
| Pipe Position | 8.75 in |
| Repair Parts URL | View |
| Bend Radius Outside | 2.3984 in |
| Hydrostatic Test Pressure | 350 lb/(in^2) |
| Overall Height | 35.5 in |
| Product Install & Maintenance Sheet URL | View |
| Assembly Code | D2090800 |
| Rated Flow | 1000 (gal)/min |
| Specification Sheet URL | View |
