
Specifications
Description
The Zurn Wilkins 34-40XL2 is a 3/4" lead-free in-line single check valve with FNPT connections. It features a brass body. Rated to up to 210°F. This model is certified lead-free for potable-water installations.
The 40XL2 In-Line Single Check Valve is utilized on potable water applications in both domestic and commercial water systems, including well pump systems and applications where tight seating is required. It is frequently used to prevent discharge in Reduced Pressure Principle Backflow Preventers due to water hammer conditions and inlet pressure fluctuations in water systems. The 402XL2 features 300 grade stainless steel springs for added corrosion-resistance, a maximum working water pressure of 400 WOG, and a maximum working water temperature of 210°F. Other features include threaded end connections and multiple size options.
Features
- Domestic and commercial installation options add versatility
- Maximum working water pressure of 400 WOG
- Prevention of discharge due to fluctuations in inlet pressure and water hammer
- 300 series stainless steel springs resist corrosion
- UL® Classified
Common Questions
- Is this model legal for potable water?
- Yes. It is certified lead-free to NSF/ANSI 372, which is what state plumbing codes require for any device in a drinking-water line.
- Is this listed for fire protection service?
- Yes -- it is UL Classified, the listings normally required for a backflow device on a fire sprinkler supply.
Specifications
- Type: In-Line Single Check Valve
- Size: 3/4"
- Connection: FNPT
- Body Material: Brass
- Application: Domestic Water
- MPN: 34-40XL2
- Temperature: up to 210°F
- Certifications: UL, NSF-372
- Lead-Free: Yes
- USC FCCCHR Approved: No
- Fire Protection Listing: UL Classified
Product Information
| SKU | UPC | Spec Sheet |
|---|---|---|
| 34-40XL2 | 612052221731 | Download |
Dimensions
| Size Nominal | 3/4" | End Connection | FNPT |
Details
| Series | 40XL2 | Device Type | In-Line Single Check Valve |
| Lead Free | Yes | Body Material | Brass |
| Application | Domestic Water | Max Temp °F | 210.0 °F |
| Fire Listing | UL Classified | — | — |
Certifications & Standards
| UL | NSF-372 |
Compare with similar products
| Assembly Type | — | — | RPZ
| Dual Check
| — | — |
| Hazard Rating | — | — | High Health Hazard
| Low Health Hazard
| — | — |
| ASSE Standard | — | — | ASSE 1013
| ASSE 1012
| — | — |
| Fire Listing | UL Classified
| — | UL Classified, C-UL Classified
| — | — | — |
| Test Cocks | — | — | 4
| 0
| — | — |
| Series | 40XL2
| 112-600XLHR
| 112-975XL2
| 760
| PureFlow Press
| MegaPress 316
|
| Country Of Origin | — | — | — | — | Canada
| China
|
| Spec Sheet | — | — | ||||
| Install Sheet | — | — | — | |||
| Device Type | In-Line Single Check Valve
| Water Pressure Reducing Valve with Removable Integral Strainer
| Backflow Preventer - Bronze Reduced Pressure Principle Assembly
| Dual Check Valve Backflow Preventer with Intermediate Atmospheric Vent
| Stop Valve
| Globe Valve
|
| Size Nominal | 3/4"
| 1-1/2"
| 1-1/2"
| 3/4"
| 3/8"
| 1"
|
| Outlet Size | — | 1-1/2"
| — | — | 1/4" OD
| — |
| Lead Free | Yes | Yes | Yes | — | Yes | — |
| End Connection | FNPT
| FNPT
| FNPT
| FNPT
| PEX
| Press
|
| Body Material | Brass
| Lead-Free Bronze
| Bronze
| Brass
| Nickel-plated brass
| 316 stainless steel
|
| Application | Domestic Water
| Domestic Water
| Domestic Water
| Domestic Water
| — | — |
| Max Pressure PSI | — | 300.0 psi | 175.0 psi | 175.0 psi | — | — |
| Max Temp °F | 210.0 °F | 140.0 °F | 180.0 °F | 210.0 °F | — | 250.0 °F |
| Certifications | UL, NSF-372
| ASSE-1003, IAPMO, CSA, NSF-61
| ASSE-1013, AWWA-C511, CSA-B64.4, C-UL, UL, USC, NSF-61, NSF-372, IAPMO
| ASSE-1012, CSA-B64.3
| — | — |
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