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PRODUCT INFORMATION
Product Description
This 1/2 inch bronze combination fill valve and backflow preventer is for use in commercial and residential hydronic heating systems to provide make-up water to the boiler and prevent backflow when supply pressure falls below system pressure. It consists of a bronze backflow preventer, model 9D, and a bronze feed water pressure regulator, model 1156F, in one pre-assembled unit. The high capacity fill valve provides quick system filling and purging. It is designed for use in the boiler feed lines of hydronic heating systems and has 1/2 inch union solder inlet x NPT threaded outlet connections. The maximum pressure is 100 psi (6.9 bar).
Typical Applications
Designed specifically for smaller boiler feed lines
Features
- 1/2" only
- High capacity fill
- All bronze, union solder x female NPT
- Solder connection
- Pre-assembled unit
More Information
Specifications:
Size: 21
Brand: ACS
| Specifications | |
|---|---|
| Backflow Preventer Type | Dual Check with Atmospheric Vent |
| Body Finish | Bronze |
| Body Material | Brass |
| Body Pattern | Inline |
| Brand Name | Watts |
| Bypass | No |
| Bypass Size | Does Not Apply To Product |
| Cap And Tether | No |
| Disc Material | EPDM |
| Elbow Fitting | No |
| GDS Status | Registered |
| Hazard Protection Level | Non Health Hazard |
| Hot And Harsh Water | No |
| Hydrant Connection | No |
| Inlet Connection Size | 1/2 IN |
| Inlet Connection Size-Metric | 15 MM |
| Inlet Connection Type | Union Solder |
| Inlet Shutoff Valve Type | No Shutoff Valve |
| Inlet Thread Type | Does Not Apply To Product |
| Lead Free | NO |
| Maximum Temperature-Fahrenheit | 212 |
| Maximum Working Pressure-BAR | 6.90 |
| Maximum Working Pressure-PSI | 100 |
| Meter Type | No Meter |
| Model Number | B911S-M3 |
| Outlet Connection Size | 1/2 IN |
| Outlet Connection Type | Female Threaded |
| Outlet Shutoff Valve Type | No Shutoff Valve |
| Outlet Thread Type | NPT |
| Part Number | 0386462 |
| Polymer Coating | No |
| Pressure Operation | Continuous |
| Protection Type | Backpressure and Backsiphonage |
| Seat Material | Plastic |
| Series | B911 |
| Strainer | No |
Made In USA: Yes
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