The Non Return Valves range consists of the C831 swing check valve and the E831 spring check valve, which are both available in brass, in a range of sizes. You can further refine your search by selecting one or more of the product attributes on the left hand side including size, material and application.
| Size Imperial | Imperial / Metric | Materials |
| 3/8" | Imperial | Brass |
| Size Imperial | Imperial / Metric | Materials |
| 1/2 " | Imperial | Brass |
| Size Imperial | Imperial / Metric | Materials |
| 3/4 " | Imperial | Brass |
| Size Imperial | Imperial / Metric | Materials |
| 1" | Imperial | Brass |
| Size Imperial | Imperial / Metric | Materials |
| 1 1/4" | Imperial | Brass |