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Specifications
Description
The Zurn Wilkins 2-975XLFDC is a 2" reduced pressure zone (RPZ) backflow preventer with FNPT connections, approved for high health hazard protection. It features a bronze body. Rated to 175 psi and up to 180°F.
The Wilkins 975XLFDC Reduced Pressure Principle Assembly with Fire Hydrant Connections provides protection for high hazard non-potable installations. Suitable for installations on fire hydrants when metering is not required.
Features
- Designed for direct connection to a fire hydrant
- Equipped with 2-1/2" National hose connections
- Well suited for temporary construction water lines
Common Questions
- What hazard level is this RPZ approved for?
- It is rated for high health hazard (toxic) cross-connections, so it may be used on either high or low hazard service. The assembly is listed to ASSE 1013.
- Does this assembly have to be tested every year?
- Yes. This is a field-testable assembly with 4 test cocks. Most water authorities require it to be tested and certified by a licensed backflow tester at installation and annually thereafter. It carries USC FCCCHR approval, which many jurisdictions accept as their sole approval list.
- Is this listed for fire protection service?
- Yes -- it is UL Classified and C-UL Classified, the listings normally required for a backflow device on a fire sprinkler supply.
- Does the relief valve need a drain?
- Yes. An RPZ relief valve is designed to discharge, and it can dump a large volume of water, so it must never be installed in a pit or below grade and the discharge must be piped to an adequate drain through an air gap. The air gap fitting is not included with this model and is ordered separately.
Specifications
- Type: Reduced Pressure Principle Assembly with Fire Hydrant Connection
- Size: 2"
- Connection: FNPT
- Body Material: Bronze
- Max Pressure (psi): 175
- Application: Domestic Water
- Backflow Protection: Both
- MPN: 2-975XLFDC
- Temperature: up to 180°F
- Certifications: ASSE-1013, AWWA-C511, CSA, C-UL, UL, USC, IAPMO
- Assembly Type: RPZ
- Hazard Protection Level: High Health Hazard
- ASSE Standard: ASSE 1013
- USC FCCCHR Approved: Yes
- Fire Protection Listing: UL Classified;C-UL Classified
- Field Testable: Yes
- Number of Test Cocks: 4
Dimensions
| Size Nominal | 2" | End Connection | FNPT |
Details
| Series | 975XLFDC | Device Type | Reduced Pressure Principle Assembly with Fire Hydrant Connection |
| Body Material | Bronze | Application | Domestic Water |
| Max Pressure PSI | 175.0 psi | Max Temp °F | 180.0 °F |
| Backflow Protection | Both | Assembly Type | RPZ |
| Hazard Rating | High Health Hazard | ASSE Standard | ASSE 1013 |
| USC Approved | Yes | Fire Listing | UL Classified, C-UL Classified |
| Testable | Yes | Test Cocks | 4 |
Certifications & Standards
| ASSE-1013 | AWWA-C511 |
| CSA | C-UL |
| UL | USC |
| IAPMO | — |
Compare with similar products
| Backflow Protection | Both
| Both
| Both
| Both
| Both
| Both
|
| Assembly Type | RPZ
| RPZ
| RPZ
| RPZ
| RPZ
| RPZ
|
| Hazard Rating | High Health Hazard
| High Health Hazard
| High Health Hazard
| High Health Hazard
| High Health Hazard
| High Health Hazard
|
| ASSE Standard | ASSE 1013
| ASSE 1013
| ASSE 1013
| ASSE 1013
| ASSE 1013
| ASSE 1013
|
| USC Approved | Yes | Yes | Yes | Yes | Yes | Yes |
| Fire Listing | UL Classified, C-UL Classified
| UL Classified, C-UL Classified
| — | UL Classified, C-UL Classified
| — | — |
| Testable | Yes | Yes | Yes | Yes | Yes | Yes |
| Test Cocks | 4
| 4
| 4
| 4
| 4
| 4
|
| Shutoff Valve Type | — | Quarter-Turn Ball
| — | Quarter-Turn Ball
| NRS Gate
| NRS Gate
|
| Series | 975XLFDC
| 112-975XL2
| 975XLU
| 1-975XL2SAG
| 2-375XLFT
| 1-375XLFT
|
| Spec Sheet | ||||||
| Install Sheet | ||||||
| Device Type | Reduced Pressure Principle Assembly with Fire Hydrant Connection
| Backflow Preventer - Bronze Reduced Pressure Principle Assembly
| Reduced Pressure Principle Backflow Preventer
| Backflow Preventer - Bronze Reduced Pressure Principle Assembly
| Backflow Preventer - Reduced Pressure Principle
| Backflow Preventer - Reduced Pressure Principle
|
| Size Nominal | 2"
| 1-1/2"
| 1"
| 1-1/2"
| 2"
| 3/4"
|
| Lead Free | — | Yes | — | Yes | Yes | Yes |
| End Connection | FNPT
| FNPT
| FNPT
| FNPT
| Flanged
| Flanged
|
| Body Material | Bronze
| Bronze
| Bronze
| Bronze
| — | — |
| Application | Domestic Water
| Domestic Water
| Irrigation
| Domestic Water
| Domestic Water
| Domestic Water
|
| Max Pressure PSI | 175.0 psi | 175.0 psi | 175.0 psi | 175.0 psi | 175.0 psi | 175.0 psi |
| Max Temp °F | 180.0 °F | 180.0 °F | 180.0 °F | 180.0 °F | 180.0 °F | 180.0 °F |
| Certifications | ASSE-1013, AWWA-C511, CSA, C-UL, UL, USC, IAPMO
| ASSE-1013, AWWA-C511, CSA-B64.4, C-UL, UL, USC, NSF-61, NSF-372, IAPMO
| ASSE-1013, AWWA-C511, CSA, USC, IAPMO
| ASSE-1013, AWWA-C511, CSA-B64.4, C-UL, UL, USC, NSF-61, NSF-372, IAPMO
| ASSE-1013, AWWA-C511, CSA-B64.4, USC, NSF-61, NSF-372, IAPMO
| ASSE-1013, AWWA-C511, CSA-B64.4, USC, NSF-61, NSF-372, IAPMO
|
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