A brass spring check (non-return) valve with female BSP threads both ends. It lets water flow one way only and stops back-flow, for example on pumps, water heaters and outside supplies. Fit with the arrow pointing in the direction of flow.
Specifications
| Type | Non-return (check) valve, spring type |
|---|---|
| Connections | Female BSP both ends, ½" or ¾" |
| Material | Brass |
| Manufacturer | Excel Industries |
| Codes | 12NRV (½" BSP), 34NRV (¾" BSP) |
Supply only. Fitting is not included.
Specifications from the Excel Industries catalogue (Issue 26.7, page 21). Images are catalogue photos with sizes added where relevant.
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