774-DNRS 4
Part of the 774 Series
Ordering Code: 0439302
UPC: 098268344820
Lead Free: YES
4 In SS Double Check Valve Assembly Backflow Preventer, Domestic NRS Shutoff, Short Lay Length
This 4 inch short lay length lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of water of non-potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. It is ideal under continuous pressure service and protection at cross-connections identified as non-health hazards and from other non toxic contaminants found at the service line entrance. This compact modular design with a single access sleeve for easy maintenance is approved for horizontal or vertical installation in accordance with the direction of the flow arrow on the assembly. It consists of a stainless steel housing and sleeve, tri-link check valves, domestic non-rising stem resilient seated gate valves, and test cocks.
Features
- Stainless steel body
- Domestic non-rising stem gate valves
- Non-health hazard application
- No special tools required for servicing
Specifications | |
---|---|
ArmorTek Technology | No |
Backflow Preventer Type | Double Check Valve Assembly |
Body Finish | Stainless Steel |
Body Material | Stainless Steel |
Body Pattern | Does Not Apply To Product |
Brand | Watts |
Buy American Act Compliant | NO |
Bypass | No |
Bypass Size | Does Not Apply To Product |
Cap And Tether | No |
Disc Material | Does Not Apply To Product |
EAN | 098268344820 |
Elbow Fitting | No |
Hazard Protection Level | Non Health Hazard |
Hot And Harsh Water | No |
Hydrant Connection | No |
Inlet Connection Size | 4 IN |
Inlet Connection Type | Flanged Joint |
Inlet Shutoff Valve Type | Non Rising Stem Gate Valve |
Inlet Thread Type | Does Not Apply To Product |
Lead Free | YES |
Maximum Temperature-Fahrenheit | 110 |
Maximum Working Pressure-BAR | 12.10 |
Maximum Working Pressure-PSI | 175 |
Meter Type | No Meter |
Minimum Temperature - Celsius | 0.50 |
Minimum Temperature-Fahrenheit | 33 |
Outlet Connection Size | 4 IN |
Outlet Connection Type | Flanged Joint |
Outlet Shutoff Valve Type | Non Rising Stem Gate Valve |
Outlet Thread Type | Does Not Apply To Product |
Part Number | 0439302 |
Polymer Coating | No |
Pressure Operation | Continuous |
Protection Type | Backpressure and Backsiphonage |
Series | 774 |
Strainer | No |
Technologies | Does Not Apply To Product |
Tradename | None |