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Specifications
Description
The Watts 4 LFF113FP 150 is a 4" lead-free globe-pattern reduced pressure zone (RPZ) backflow preventer with Flanged connections. It features a ductile iron body and a epdm seat. Rated to up to 300°F. This model is certified lead-free for potable-water installations.
This 4 inch smart flood protection ACV with 150 pound flanged end connections and SentryPlus Alert wireless alert system prevents catastrophic property damage due to excessive RPZ backflow relief valve discharge by continuously monitoring for excess discharge, and closing the water supply to the backflow during potentially catastrophic flood conditions. If the RPZ relief valve opens, excess flow trips the flow sensor which energizes the solenoid and closes the valve. They feature a time delay to prevent false alarms and a control valve switch to provide an indication of valve closure. SentryPlus Alert technology provides multi-channel alert notifications in real time if there is an issue so action can be taken. Alerts can be a text, email, or phone call.
Features
- Class 150 flanged
- SentryPlus Alert flood monitoring and alert system
- Multi-channel alerts
- Solenoid control
Common Questions
- What fluid temperature can the EPDM trim handle?
- This valve is built with EPDM elastomers, good to about 300°F. Watts offers the same body with Buna-N (to 160°F), FKM/Viton (to 250°F) or EPDM (to 300°F) — pick the elastomer for your fluid temperature, not the body.
- Is this valve certified lead-free for potable water?
- Yes. The "LF" prefix denotes Watts lead-free construction, compliant with the weighted-average 0.25% lead requirement of the Safe Drinking Water Act (NSF/ANSI 372) for potable-water service.
Specifications
- Type: RPZ
- Size: 4"
- Inlet Size: 4"
- Outlet Size: 4"
- Connection: Flanged
- Body Material: Ductile Iron
- Seat / Seal Material: EPDM
- Pressure Class: Class 150
- Operation: Continuous
- Country of Origin: United States
- Warranty: 1 Year Limited
- MPN: 4 LFF113FP 150
- Temperature: up to 300°F
- Certifications: NSF-61
- Lead-Free: Yes
- Item Type: Valve
- Control Function: Backflow Prevention (RPZ)
- Valve Platform: Classic (F-Series)
- Body Pattern: Globe
- End Connection / Pressure Class: 150# Flanged
- Coating: Fusion-Bonded Epoxy
Product Information
Dimensions
| Size Nominal | 4" | Inlet Size | 4" |
| Outlet Size | 4" | End Connection | Flanged |
| Pressure Class | Class 150 | — | — |
Details
| Series | LFF113FP | Device Type | RPZ |
| Lead Free | Yes | Body Material | Ductile Iron |
| Seat Material | EPDM | Operation | Continuous |
| Max Temp °F | 300.0 °F | Item Type | Valve |
| Control Function | Backflow Prevention (RPZ) | Valve Platform | Classic (F-Series) |
| Body Pattern | Globe | Pressure Class End | 150# Flanged |
| Coating | Fusion-Bonded Epoxy | — | — |
Certifications & Standards
| NSF-61 | — |
Compare with similar products
| Item Type | Valve
| Valve
| Valve
| Valve
|
| Control Function | Backflow Prevention (RPZ)
| Backflow Prevention (RPZ)
| Backflow Prevention (RPZ)
| Backflow Prevention (RPZ)
|
| Valve Platform | Classic (F-Series)
| Classic (F-Series)
| Classic (F-Series)
| Classic (F-Series)
|
| Body Pattern | Globe
| Globe
| Globe
| Globe
|
| Pressure Class End | 150# Flanged
| 150# Flanged
| 150# Flanged
| 150# Flanged
|
| Coating | Fusion-Bonded Epoxy
| Fusion-Bonded Epoxy
| Fusion-Bonded Epoxy
| Fusion-Bonded Epoxy
|
| Series | LFF113FP
| LFF113FP
| LFF113FP
| LFF113FP
|
| Country Of Origin | United States
| United States
| United States
| United States
|
| Warranty | 1 Year Limited
| 1 Year Limited
| 1 Year Limited
| 1 Year Limited
|
| Spec Sheet | ||||
| Install Sheet | ||||
| Device Type | RPZ
| RPZ
| RPZ
| RPZ
|
| Size Nominal | 4"
| 8"
| 6"
| 3"
|
| Inlet Size | 4"
| 8"
| 6"
| 3"
|
| Outlet Size | 4"
| 8"
| 6"
| 3"
|
| Lead Free | Yes | Yes | Yes | Yes |
| End Connection | Flanged
| Flanged
| Flanged
| Flanged
|
| Body Material | Ductile Iron
| Ductile Iron
| Ductile Iron
| Ductile Iron
|
| Seat Material | EPDM
| EPDM
| EPDM
| EPDM
|
| Operation | Continuous
| Continuous
| Continuous
| Continuous
|
| Pressure Class | Class 150
| Class 150
| Class 150
| Class 150
|
| Max Temp °F | 300.0 °F | 300.0 °F | 300.0 °F | 300.0 °F |
| Certifications | NSF-61
| NSF-61
| NSF-61
| NSF-61
|
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