Double Check Backflow Device, 4 in, Flange, 304/304L Stainless Steel
PartDER4020GOSY
MFGD-4020G
Description
Ames Fire & Waterworks® Double Check Valve Assembly, Lead Free, Series: Deringer™ 20G, 4 in Nominal, Flanged, 10 to 175 psi, 33 to 140 deg F, Outside Stem and Yoke Gate Valve, Dual Check Backflow, Media: Potable Water, 304 Stainless Steel Body, 33.9 in L x 11 in W x 27 in H
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- Resiliently seated and inline OSY shutoff valves
- Dual-action check module for low-and high-flow performance
- Prewired supervisory switches
- Tamper-resistant test cocks
This 4 in Ames Fire & Waterworks® Deringer™ 20G double check valve assembly is designed to prevent non-health hazard pollutants from entering the potable water supply system caused by backflow due to backpressure and/or backsiphonage conditions. Deringer™ 20G features inline serviceable OS and Y gate valves, a stainless steel body and Dual-Action™ checks for high performance at low and high flow rates. It may be installed under continuous pressure service to protect against both backpressure and backsiphonage. Maximum working pressure is 175 psi (12 bar).
| Type | Double Check |
| Series | 20G |
| Nominal Size | 4 in |
| End Style | Flange |
| Body Material | 304/304L Stainless Steel |
| Backflow Type | Dual Check |
| Ball Valve/Gate Valve Type | Outside Stem and Yoke Gate Valve |
| Dimensions | 33.9 in L x 11 in W x 27 in H |
| Domestic/Import | Domestic |
| Media | Potable Water |
| Pressure Rating | 10 to 175 psi |
| Temperature Rating | 33 to 140 deg F |
| Brand | Ames Fire & Waterworks® |
| Package Width | 45 in |
| Package Height | 42 in |
| UNSPSC | 40141600 |
| Alternate Part Number 1 | DERINGER 20G 4 |
| Package Length | 24 in |
| Country of Origin | US |
| Manufacturer | Watts Water Technologies |
| UPC | 737733033035 |
| Manufacturer Part Number | D-4020G |
1 year Limited
ANSI B16.1 Class 125|ASSE 1015|AWWA C510-07|cULus Listed|FM Approved|NSF/ANSI 372|UL Listed|USC Certified|PROP65: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Fire Protection, Waterworks, Plumbing and Irrigation Applications
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Ames Fire & Waterworks®Double Check Backflow Device, 4 in, Flange, 304/304L Stainless Steel