WATTS SD-3 Series Dual Check Valves
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GBackflow Preventer Type: Dual Check with Atmospheric Vent , Body Material: Stainless Steel , Connection Type: FNPT x Male Flare , Disc Material: Santoprene , Inlet Thread Type: NPT , Length: 4.5" , Material: 316 Stainless Steel , Mfr. Series: SD-3 , Operation: Continuous , Seat Material: Noryl , Thread Type: NPT , Valve Type: No Shutoff Valve
| Style | Model | Outlet Size | Inlet Connection | Inlet Size | Outlet Type | Inlet Type | Max. Temp. | Max. Working Pressure | Min. Temp. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | SD-3-MN 1/4 | 1/4" | Male Threaded | 1/4" | Male Threaded | Male Threaded | 130° F | 150 psi | 54° F | €469.81 | |
| A | SD-3-FN 1/4 | 1/4" | Female Threaded | 1/4" | Female Threaded | Female Threaded | 130° F | 150 psi | 54° F | €323.34 | |
| B | SD-3-FF-LS 1/4 | 1/4" | Flare Joint | 1/4" | Flare Joint | Flare Joint | 130° F | 150 psi | 54° F | €327.77 | |
| C | SD-3-MF-LS 1/4 | 1/4" | Flare Joint | 1/4" | Flare Joint | Flare Joint | 130° F | 150 psi | 54° F | €480.19 | |
| B | SD-3-FN-LS 1/4 | 1/4" | Female Threaded | 1/4" | Female Threaded | Female Threaded | 130° F | 150 psi | 54° F | €480.19 | |
| D | SD-3-MN-LS 1/4 | 1/4" | Male Threaded | 1/4" | Male Threaded | Male Threaded | 130° F | 150 psi | 54° F | €480.19 | |
| A | SD-3-MF 1/4 | 1/4" | Flare Joint | 1/4" | Flare Joint | Flare Joint | 130° F | 150 psi | 54° F | €262.94 | |
| A | SD-3-FF 1/4 | 1/4" | Flare Joint | 1/4" | Flare Joint | Flare Joint | 130° F | 150 psi | 54° F | €338.12 | |
| A | SD-3-FN 3/8 | 3/8" | Female Threaded | 3/8" | Female Threaded | Female Threaded | 130° F | 150 psi | 54° F | €319.62 | |
| A | SD-3-LS-MFXMN 3/8 | 3/8" | Flare Joint | 3/8" | Male Threaded | Flare Joint | 130° F | 150 psi | 54° F | €480.19 | |
| E | SD-3-MN 3/8 | 3/8" | Male Threaded | 3/8" | Male Threaded | Male Threaded | 130° F | 150 psi | 54° F | €469.81 | |
| A | SD-3-FF 3/8 | 3/8" | Flare Joint | 3/8" | Flare Joint | Flare Joint | 130° F | 150 psi | 54° F | €259.69 | |
| C | SD-3-MF-LS 3/8 | 3/8" | Flare Joint | 3/8" | Flare Joint | Flare Joint | 130° F | 150 psi | 54° F | €448.37 | |
| B | SD-3-FN-LS 3/8 | 3/8" | Female Threaded | 3/8" | Female Threaded | Female Threaded | 130° F | 150 psi | 54° F | €448.37 | |
| B | SD-3-FF-LS 3/8 | 3/8" | Flare Joint | 3/8" | Flare Joint | Flare Joint | 130° F | 150 psi | 54° F | €250.82 | |
| F | SD3-MF 3/8" | 3/8" | - | 3/8" | Flare Joint | Female Threaded | 130 Degree F | 10.3 Bar | 54 Degree F | €328.18 | |
| D | SD-3-MN-LS 3/8 | 3/8" | Male Threaded | 3/8" | Male Threaded | Male Threaded | 130° F | 150 psi | 54° F | €480.19 | |
| G | SD-3-LS-MFXMF 3/8 | 3/8" | Flare Joint | 3/8" | Flare Joint | Flare Joint | 130° F | 150 psi | 54° F | €480.19 |
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