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Product Specifications:
| Item | Backflow Preventer |
| Body Material | Brass |
| Check Mechanism Material | Plastic |
| Connection Gender - Side 1 | Female |
| Connection Gender - Side 2 | Female |
| Connection Size - Side 1 | 1" |
| Connection Size - Side 2 | 1" |
| Connection Type | Female Meter Swivel x Union FNPT |
| Connection Type - Side 1 | Meter Swivel |
| Connection Type - Side 2 | Union NPT |
| Features | 304 (Schedule 40) Stainless Steel Housing An Sleeve, Available With Combination Of Inlet/Outlet Sizes, Types Or Thread And End Connection, Can Be Installed Vertically Or Horizontally |
| Flow Rate | 26 GPM |
| For Media | Water |
| Hazard Protection Level | Low Health Hazard |
| Height | 1 7/8" |
| Length | 4 1/2" |
| Manufacturer Warranty | 1 yr. |
| Material | Lead Free Copper Silicon Alloy |
| Max. Media Temperature | 180°F |
| Max. Pressure | 175 psi |
| Max. Pressure (cwp) | 150 psi |
| Max. Temp. | 180°F |
| Media Temp. Range | 33°F to 180°F |
| Min. Media Temperature | 33°F |
| Mounting Orientation | Horizontal, Vertical |
| Overall Height | 1 22/25" |
| Overall Length | 4.5" |
| Overall Width | 1 22/25" |
| Pipe Size | 1" |
| Protection Type | Back Siphonage |
| Seal Material | EPDM |
| Seat Material | EPDM |
| Series | LF7 Series |
| Size | 1" |
| Spring Material | Stainless Steel |
| Temp. Range | +33°F to +180°F |
| Valve Series | LF7R Series |
Shipping Info:
| Ship weight (kg) | 0.41 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Product Variants
| Model | Size | Max. Temp. | Height | Seat Material | Body Material | Max. Pressure | Temp. Range | Seal Material | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| 3/8 SD3-FN | 3/8" | 130°F | 1.062" | Ppo | Stainless Steel | 150 psi | +33°F to +130°F | - | €681.51 | |
| 3/8 SD3-MN | 3/8" | 130°F | 1.062" | Ppo | Stainless Steel | 150 psi | +33°F to +130°F | - | €685.67 | |
| 3/4 9DM2-PRESS | 3/4" | - | 2.562" | Brass | Brass | - | - | Rubber | €239.51 |
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WATTS 1X1 LF7R10-U2 Backflow Preventer, LF7, 1 Inch Size, FNPT, Lead Free Copper Silicon Alloy
€224.84 /unit


