| Weight | 295 lbs. (134 kg) |
| Overall Height | 30 in |
| Bend Radius | 1.25 in |
| Repair Parts URL | View |
| Max Working Water Temperature | 140 degF |
| Pipe Size | 1 in |
| Pipe Vertical Position | 7.2227 in |
| URL | View |
| Model | 450 DA |
| Type Comments | Flanged Connections ANSI B16.1 |
| Pressure Loss at Rated Flow | 5.8 lb/(in^2) |
| Flow | 0 (gal)/min |
| Nominal Radius | 4 |
| Nominal Diameter | 8 |
| Manufacturer | Zurn Wilkins |
| Application | Potable water lines in fire systems. Designed for installation on potable water lines in fire protection systems to protect against both backsiphonage and backpressure of polluted water into the potable water supply. |
| Rated Flow | 500 (gal)/min |
| Standards Compliance | ASSE, CSA, FCCCHR@USC, AWWA, UL, C-UL, FM, NYC |
| Product Install & Maintenance Sheet URL | View |
| Pipe Position | 6.3867 in |
| Symbol Length | 24 in |
| Bend Radius Outside | 2.3984 in |
| Product data url | View |
| Hydrostatic Test Pressure | 350 lb/(in^2) |
| Gate Valve | 4" |
| Assembly Code | D2090800 |
| Description | DCDA Double Check Detector Assembly |
| Specification Sheet URL | View |
| Product Page URL | View |
| Main Body | 4" |
| Max Working Water Pressure | 175 lb/(in^2) |
