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Product Specifications:
| Item | Backflow Preventer |
| Body Grade | Grade 316 |
| Body Material | Stainless Steel |
| Connection Gender - Side 1 | Female |
| Connection Gender - Side 2 | Female |
| Connection Size - Side 1 | 3/8" |
| Connection Size - Side 2 | 3/8" |
| Connection Type | FNPT x FNPT |
| Connection Type - Side 1 | NPT |
| Connection Type - Side 2 | NPT |
| Flow Rate | 2.5 GPM |
| For Media | Water |
| Hazard Protection Level | Low Health Hazard |
| Height | 1.062" |
| Includes | Strainer |
| Includes Atmospheric Vent | Atmospheric Vent Included |
| Length | 4 1/2" |
| Manufacturer Warranty | 1 yr. |
| Material | Stainless Steel |
| Max. Media Temperature | 130°F |
| Max. Pressure | 150 psi |
| Max. Pressure (cwp) | 150 psi |
| Max. Temp. | 130°F |
| Media Temperature Range | 54°F to 130°F |
| Min. Media Temperature | 54°F |
| Mounting Orientation | Horizontal, Vertical |
| Overall Height | 1.06" |
| Overall Length | 3" |
| Overall Width | 1.06" |
| Pipe Size | 3/8" |
| Primary Application | Carbonated Beverage Lines |
| Protection Type | Back Pressure |
| Seat Material | Ppo |
| Series | SD-3 Series |
| Size | 3/8" |
| Temp. Range | +33°F to +130°F |
| Valve Series | SD-3 |
| Width | 0.688" |
Shipping Info:
| Ship weight (kg) | 0.18 |
| Ship height (cm) | 2.7 |
| Ship length (cm) | 11.43 |
| Ship width (cm) | 1.75 |
| Country of Origin | US |
Product Variants
| Product | Model | Size | Max. Temp. | Height | Seat Material | Body Material | Max. Pressure | Temp. Range | Seal Material | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
1X1 LF7R10-U2 | 1" | 180°F | 1 7/8" | EPDM | Brass | 175 psi | +33°F to +180°F | EPDM | €224.84 | |
![]() |
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 3/8 SD3-FN Backflow Preventer, SD-3, 3/8 Inch Size, FNPT, 316 Stainless Steel, 130 Deg F
€681.51 /unit


