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Specifications
Description
The Watts 1-1/2 LFM115 is a 1-1/2" lead-free globe-pattern pilot-operated pressure reducing control valve with NPT connections. It features a ductile iron body and a epdm seat. Rated to 600 psi and up to 300°F. This model is certified lead-free for potable-water installations.
This 1 1/2 inch threaded pressure reducing control valve with low flow by-pass is designed to automatically reduce a fluctuating higher upstream pressure to a constant lower downstream pressure regardless of varying flow rates. Flow requirements below the normal range of the main line pressure reducing control valve are handled by a separate, valve mounted, direct acting, low flow by-pass pressure reducing valve.
Features
- Threaded
- 400 psig rated
- Maintains flow rate
- 20-200 psig
Common Questions
- What is the maximum working pressure?
- This unit is built as THD (NPT Threaded) and is rated to 600 psi. Threaded and grooved bodies on this platform carry a higher working pressure than 150# flanged bodies, so do not assume a flanged datasheet applies here.
- 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 UL Listed and FM Approved for fire protection?
- Yes — this model carries the UL listing and FM approval required for fire-protection service. Non-listed control valves cannot be substituted on a fire job even when the body and pilot are otherwise identical.
Specifications
- Type: Pressure Regulator
- Size: 1-1/2"
- Inlet Size: 1-1/2"
- Outlet Size: 1-1/2"
- Connection: NPT
- Body Material: Ductile Iron
- Seat / Seal Material: EPDM
- Max Pressure (psi): 600
- Operation: Pilot-Operated Diaphragm
- Country of Origin: United States
- Warranty: 1 Year Limited
- MPN: 1-1/2 LFM115
- Temperature: up to 300°F
- Certifications: UL, FM
- Lead-Free: Yes
- Item Type: Valve
- Control Function: Pressure Reducing
- Valve Platform: Mustang (M-Series)
- Body Pattern: Globe
- End Connection / Pressure Class: THD (NPT Threaded)
- Coating: ArmorTek 3-Part Epoxy
- UL Listed / FM Approved: Yes
Product Information
Dimensions
| Size Nominal | 1-1/2" | Inlet Size | 1-1/2" |
| Outlet Size | 1-1/2" | End Connection | NPT |
Details
| Series | LFM115 | Device Type | Pressure Regulator |
| Lead Free | Yes | Body Material | Ductile Iron |
| Seat Material | EPDM | Operation | Pilot-Operated Diaphragm |
| Max Pressure PSI | 600.0 psi | Max Temp °F | 300.0 °F |
| Item Type | Valve | Control Function | Pressure Reducing |
| Valve Platform | Mustang (M-Series) | Body Pattern | Globe |
| Pressure Class End | THD (NPT Threaded) | Coating | ArmorTek 3-Part Epoxy |
| UL FM Listed | Yes | — | — |
Certifications & Standards
| UL | FM |
Compare with similar products
| Item Type | Valve
| Valve
| Valve
| Valve
| Valve
| Valve
|
| Control Function | Pressure Reducing
| Pressure Reducing
| Pressure Reducing
| Pressure Reducing
| Pressure Reducing
| Pressure Reducing
|
| Valve Platform | Mustang (M-Series)
| SentryPlus Alert (S-Series)
| SentryPlus Alert (S-Series)
| SentryPlus Alert (S-Series)
| SentryPlus Alert (S-Series)
| Mustang (M-Series)
|
| Body Pattern | Globe
| Globe
| Globe
| Globe
| Globe
| Globe
|
| Pressure Class End | THD (NPT Threaded)
| THD (NPT Threaded)
| 150# Flanged
| THD (NPT Threaded)
| 150# Flanged
| THD (NPT Threaded)
|
| Coating | ArmorTek 3-Part Epoxy
| Fusion-Bonded Epoxy
| Fusion-Bonded Epoxy
| Fusion-Bonded Epoxy
| Fusion-Bonded Epoxy
| ArmorTek 3-Part Epoxy
|
| UL FM Listed | Yes | — | — | — | — | Yes |
| Smart Monitoring | — | Yes
| Yes
| Yes
| Yes
| — |
| Series | LFM115
| S115
| S115
| S115
| S115
| LFM115
|
| Country Of Origin | United States
| United States
| United States
| United States
| United States
| United States
|
| Warranty | 1 Year Limited
| 1 Year Limited
| 1 Year Limited
| 1 Year Limited
| 1 Year Limited
| 1 Year Limited
|
| Spec Sheet | ||||||
| Install Sheet | ||||||
| Device Type | Pressure Regulator
| Pressure Regulator
| Pressure Regulator
| Pressure Regulator
| Pressure Regulator
| Pressure Regulator
|
| Size Nominal | 1-1/2"
| 1-1/2"
| 1-1/2"
| 3"
| 4"
| 2-1/2"
|
| Inlet Size | 1-1/2"
| 1-1/2"
| 1-1/2"
| 3"
| 4"
| 2-1/2"
|
| Outlet Size | 1-1/2"
| 1-1/2"
| 1-1/2"
| 3"
| 4"
| 2-1/2"
|
| Lead Free | Yes | — | — | — | — | Yes |
| End Connection | NPT
| NPT
| Flanged
| NPT
| Flanged
| NPT
|
| Body Material | Ductile Iron
| Ductile Iron
| Ductile Iron
| Ductile Iron
| Ductile Iron
| Ductile Iron
|
| Seat Material | EPDM
| — | — | — | — | EPDM
|
| Operation | Pilot-Operated Diaphragm
| Pilot-Operated Diaphragm
| Pilot-Operated Diaphragm
| Pilot-Operated Diaphragm
| Pilot-Operated Diaphragm
| Pilot-Operated Diaphragm
|
| Pressure Class | — | — | Class 150
| — | Class 150
| — |
| Max Pressure PSI | 600.0 psi | 400.0 psi | 250.0 psi | 400.0 psi | 250.0 psi | 600.0 psi |
| Max Temp °F | 300.0 °F | — | — | — | — | 300.0 °F |
| Certifications | UL, FM
| — | — | — | — | UL, FM
|
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