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Specifications
Description
The Watts 1.5 S115,150 is a 1-1/2" globe-pattern pilot-operated pressure reducing control valve with Flanged connections. It features a ductile iron body. Rated to 250 psi.
The 1 1/2 inch S115 150 pressure reducing control valve is designed to automatically reduce a fluctuating higher upstream pressure to a constant lower downstream pressure regardless of varying flow rates. The pressure reducing control pilot is normally open, held open by an adjustable spring setting to maintain a constant outlet pressure to the main valve. SentryPlus Alert® technology provides intelligent pressure monitoring and notifications using integrated sensors, and integrates with the Sensor Control Monitor to deliver maintenance alerts through BAS via RS-485 Modbus or the Nexa® platform over Wi-Fi.
Features
- Class 150 flanged
- 250 psig rated
- Maintains pressure regardless of flow rate
- Integrates with the Sensor Control Monitor to deliver maintenance alerts to BAS via RS-485 Modbus or the Nexa platform by Wi-Fi connectivity
- 20-200 psig
Common Questions
- What is the maximum working pressure?
- This unit is built as 150# Flanged and is rated to 250 psi. End connection sets the ceiling on this platform, and 150# and 300# bodies are not interchangeable — confirm the class matches your flange drilling before ordering.
Specifications
- Type: Pressure Regulator
- Size: 1-1/2"
- Inlet Size: 1-1/2"
- Outlet Size: 1-1/2"
- Connection: Flanged
- Body Material: Ductile Iron
- Pressure Class: Class 150
- Max Pressure (psi): 250
- Operation: Pilot-Operated Diaphragm
- Country of Origin: United States
- Warranty: 1 Year Limited
- MPN: 1.5 S115,150
- Lead-Free: No
- Item Type: Valve
- Control Function: Pressure Reducing
- Valve Platform: SentryPlus Alert (S-Series)
- Body Pattern: Globe
- End Connection / Pressure Class: 150# Flanged
- Coating: Fusion-Bonded Epoxy
- SentryPlus Alert Ready: Yes
Product Information
Dimensions
| Size Nominal | 1-1/2" | Inlet Size | 1-1/2" |
| Outlet Size | 1-1/2" | End Connection | Flanged |
| Pressure Class | Class 150 | — | — |
Details
| Series | S115 | Device Type | Pressure Regulator |
| Body Material | Ductile Iron | Operation | Pilot-Operated Diaphragm |
| Max Pressure PSI | 250.0 psi | Item Type | Valve |
| Control Function | Pressure Reducing | Valve Platform | SentryPlus Alert (S-Series) |
| Body Pattern | Globe | Pressure Class End | 150# Flanged |
| Coating | Fusion-Bonded Epoxy | Smart Monitoring | Yes |
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 | SentryPlus Alert (S-Series)
| SentryPlus Alert (S-Series)
| SentryPlus Alert (S-Series)
| SentryPlus Alert (S-Series)
| Mustang (M-Series)
| Mustang (M-Series)
|
| Body Pattern | Globe
| Globe
| Globe
| Globe
| Globe
| Globe
|
| Pressure Class End | 150# Flanged
| THD (NPT Threaded)
| THD (NPT Threaded)
| 150# Flanged
| THD (NPT Threaded)
| THD (NPT Threaded)
|
| Coating | Fusion-Bonded Epoxy
| Fusion-Bonded Epoxy
| Fusion-Bonded Epoxy
| Fusion-Bonded Epoxy
| ArmorTek 3-Part Epoxy
| ArmorTek 3-Part Epoxy
|
| UL FM Listed | — | — | — | — | Yes | Yes |
| Smart Monitoring | Yes
| Yes
| Yes
| Yes
| — | — |
| Series | S115
| S115
| S115
| S115
| LFM115
| 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"
| 3"
| 4"
| 2-1/2"
| 1-1/2"
|
| Inlet Size | 1-1/2"
| 1-1/2"
| 3"
| 4"
| 2-1/2"
| 1-1/2"
|
| Outlet Size | 1-1/2"
| 1-1/2"
| 3"
| 4"
| 2-1/2"
| 1-1/2"
|
| Lead Free | — | — | — | — | Yes | Yes |
| End Connection | Flanged
| NPT
| NPT
| Flanged
| NPT
| 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 | 250.0 psi | 400.0 psi | 400.0 psi | 250.0 psi | 600.0 psi | 600.0 psi |
| Max Temp °F | — | — | — | — | 300.0 °F | 300.0 °F |
| Certifications | — | — | — | — | UL, FM
| UL, FM
|
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