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Lead-free bronze and iron-body check valves to prevent backflow and loss of prime.
Goulds check valves prevent backflow and protect prime on water-system installations. Lead-free silicon bronze in 1–2 in, with iron and ductile-iron bodies in 3 in and 4 in for larger lines.
| Type | Check valve |
| Bronze Sizes | 1, 1.25, 1.5 and 2 in (lead-free silicon bronze) |
| Iron Sizes | 3 in (iron) and 4 in (ductile iron) |
| Order No. | Size | Body Material | Description |
|---|---|---|---|
| AV6-10 | 1 in | Bronze | Check valve, lead-free silicon bronze |
| AV6-12 | 1.25 in | Bronze | Check valve, lead-free silicon bronze |
| AV6-15 | 1.5 in | Bronze | Check valve, lead-free silicon bronze |
| AV6-20 | 2 in | Bronze | Check valve, lead-free silicon bronze |
| AV6-30I | 3 in | Iron | Check valve, iron body |
| AV6-40I | 4 in | Ductile Iron | Check valve, ductile iron body |
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