350 Double Check Backflow Preventer, 3 in, Flange, Ductile Iron
PartWKN3503
MFG3-350
Description
Zurn® Wilkins Backflow Preventer, Horizontal/Vertical, Series: 350, 3 in Nominal, Flanged Non Rising Stem Shut-off Valves, 175 psi, 125 lb Pressure Class, 140 deg F, Dual Check Backflow, Full Port, Media: Water, Ductile Iron Body, Epoxy Coated, 32 in L, Domestic
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- Short lay-length for small space installation
- Reliable performance and improved flow characteristics from patented compound check
- No threads or taps in body or cover, eliminating exposure to corrosion
- Single access cover reduces maintenance down time
The 3" 350 Double Check Valve Backflow Assembly, with NRS gate valves, is used on potable water lines in all low health hazard applications for protection against both backsiphonage and backpressure. Its convenient single access cover saves you unnecessary maintenance costs and repair time, and the patented compound check guarantees reliable performance and improved flow characteristics. The epoxy-coated ductile iron body provide corrosion-resistance, and the multiple shut-off and end connection options increase the installation versatility of the 350.
| Nominal Size | 3 in |
| End Style | Flange |
| Body Material | Ductile Iron |
| Series | 350 |
| Backflow Type | Dual Check |
| Dimensions | 32 in L |
| Domestic/Import | Domestic |
| Finish | Epoxy Coated |
| Height | 28.3 in |
| Length | 36.8 in |
| Media | Water |
| Port Type | Full |
| Pressure Class | 125 lb |
| Pressure Rating | 175 psi |
| Temperature Rating | 140 deg F |
| Type | Horizontal/Vertical |
| Width | 19.3 in |
| Brand | Zurn® Wilkins |
| Package Width | 19.3 in |
| Package Height | 28.3 in |
| UNSPSC | 40141600 |
| Package Length | 36.8 in |
| Country of Origin | US |
| Manufacturer | Zurn Water |
| UPC | 612052046020 |
| Manufacturer Part Number | 3-350 |
Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California|ANSI B16.1 Class 125|ASSE 1015|ASTM A536|AWWA C510/C550/C606|CSA B64.5|cUL Listed|FM Approved|IAPMO Listed|ANSI/NSF 61|NYC MEA50-01-M|UL Listed|UPC Listed
Potable Water Lines in Fire Protection Systems
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Zurn® Wilkins350 Double Check Backflow Preventer, 3 in, Flange, Ductile Iron