350ASTDA Double Check Backflow Preventer, 4 in, Flange, 304/304L Stainless Steel
PartWKN350ASTDA4
MFG4-350ASTDA
Description
Zurn® Wilkins Detector Assembly, Lead Free, Series: 350ASTDA, 4 in Nominal, Flanged, 175 psi, 125 lb, 140 deg F, Outside Stem and Yoke Gate Valve Ball Valve/Gate Valve, Dual Check Backflow, Full Port, 304L Stainless Steel Body, 37-3/8 in L, Domestic
- Short lay length for small space installation
- Reliable performance and improved flow characteristics from patented Compound Check, allowing for installation in lower-pressure systems
- Lower maintenance costs from corrosion resistance of stainless body
- Multiple shut-off and end connections available for installation versatility
- Metered by-pass ensures cost savings related to unauthorized water use and leaks
- High quality 304L grade stainless steel body and access covers reduces corrosion exposure
- Compliant with horizontal and vertical installation
The 4 in 350ASTDA Double Check Detector Assembly protects against both back siphonage and backpressure in low health hazard, fire protection applications. Its stainless steel body, access covers, internals, fasteners, and springs are corrosion-resistant for reduced maintenance costs. Featuring a metered bypass system, the 350ASTDA efficiently detects leaks and any unauthorized water use. Its single access cover reduces downtime and added costs associated with maintenance and repairs. The 350ASTDA with flanged end OS and Y gate valves features a short lay-length for compact, versatile installation in horizontal or vertical positions.
| Nominal Size | 4 in |
| End Style | Flange |
| Body Material | 304/304L Stainless Steel |
| Series | 350ASTDA |
| Backflow Type | Dual Check |
| Ball Valve/Gate Valve Type | Outside Stem and Yoke Gate Valve |
| Dimensions | 37-3/8 in L |
| Domestic/Import | Domestic |
| Height | 30.75 in |
| Length | 40.5 in |
| Port Type | Full |
| Pressure Class | 125 lb |
| Pressure Rating | 175 psi |
| Temperature Rating | 140 deg F |
| Width | 23 in |
| Brand | Zurn® Wilkins |
| Package Width | 23 in |
| Package Height | 30.75 in |
| UNSPSC | 40141600 |
| Package Length | 40.5 in |
| Country of Origin | US |
| Manufacturer | Zurn Water |
| UPC | 612052112299 |
| Manufacturer Part Number | 4-350ASTDA |
GPM Meter
Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California|ANSI/NSF 61|ASSE® 1048|AWWA C510/C550/C606|CSA B64.5|cUL Listed|FM Approved|Low-Lead Law Compliant|UL Listed|PROP65: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Incorporates Metered By-Pass to Detect Leaks and Unauthorized Water Use
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Zurn® Wilkins350ASTDA Double Check Backflow Preventer, 4 in, Flange, 304/304L Stainless Steel
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