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| Item | Double Check Valve Assembly |
| Connection Type | FNPT |
| Height | 3 1/4" |
| Lead Free | Yes |
| Length | 11" |
| Max. Operating Pressure | 175 psi |
| Max. Temp. | 180°F |
| Series | 4A Series Backflow Preventers |
| Shape | Straight |
| Size | 1/2" |
| Suitable For Central Heating Water | No |
| Temp. Range | 33°F to 180°F |
| Width | 2 1/2" |
| Backflow Preventer Type | Double Check Assembly (DC) |
| Body Material | Bronze |
| Check Mechanism Material | Glass-Filled PPO |
| Check Valve Length | 7 3/8" |
| Configuration | Standard Configuration |
| Connection Gender - Side 1 | Female |
| Connection Gender - Side 2 | Female |
| Connection Size - Side 1 | 1/2" |
| Connection Size - Side 2 | 1/2" |
| Connection Type - Side 1 | NPT |
| Connection Type - Side 2 | NPT |
| Flow Rate | 12 GPM |
| For Media | Water |
| Handle Material | Stainless Steel |
| Hazard Protection Level | Low Health Hazard |
| Includes | No Items |
| Includes Atmospheric Vent | No Atmospheric Vent |
| Includes Freeze Protection | No Freeze Sensor |
| Includes Strainer | No Strainer |
| Manufacturer Warranty | 5 yrs. |
| Max. Media Temperature | 180°F |
| Max. Pressure (cwp) | 175 psi |
| Media Temp. Range | 33°F to 180°F |
| Min. Media Temperature | 33°F |
| Mounting Orientation | Horizontal, Vertical |
| Number Of Test Ports | 4 |
| Overall Height | 3 1/4" |
| Overall Length | 10.88" |
| Overall Width | 2 1/2" |
| Pipe Size | 1/2" |
| Protection Type | Back Pressure, Back Siphonage |
| Seat Material | Silicone |
| Shut-off Valve Type | Ball Valve |
| Spring Material | Stainless Steel |
| Standards | BUILD AMERICA BUY AMERICA (BABA) ACT, BUY AMERICAN ACT (BAA), NSF |
| Valve Series | 4A |
| Ship weight (kg) | 2.3 |
| Ship height (cm) | 10.16 |
| Ship length (cm) | 38.86 |
| Ship width (cm) | 18.8 |
| HS code | 8481301090 |
| Country of Origin | US |
| Model | Height | Length | Size | Width | Price | |
|---|---|---|---|---|---|---|
| 4ALF104A2F | 3.5" | 12.75" | 3/4" | 3" | €397.30 | |
| 4ALF105A2F | 4" | 14.63" | 1" | 3.25" | €464.41 | |
| 4ALF106A2F | 4.5" | 18.625" | 1.25" | 4.75" | €893.50 | |
| 4ALF107A2 | 4.5" | 18.75" | 1.5" | 4.75" | €799.59 | |
| 4ALF108A2F | 5" | 21.125" | 2" | 5.38" | €1,293.66 |
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