Riser Adapters & Nipples - A0031 Riser Extension
The Emco Wheaton A0031 Riser Extensions and Adapters are designed to compensate for riser pipe variations and to accommodate spill containment retrofits. The riser extensions have 4” NPT top and bottom threads. The riser adapters have 4” NPSM top and 4” NPT bottom threads.
A0031
One-Piece Riser Extension
A0031
One-Piece Riser Extension section
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A0031 Riser Extensions & Adapters
| Part No. | Description | Installed Height | Top Threads | Bottom Threads | Lbs. |
|---|---|---|---|---|---|
| A0031-175 | Riser Extension | 1.75” | 4” NPT | 4” NPT | 2.7 |
| A0031-250 | Riser Extension | 2.50” | 4” NPT | 4” NPT | 3.7 |
| A0031-250R* | Riser Adapter | 2.50” | 4” NPSM | 4” NPT | 3.7 |
| A0031-450 | Riser Adapter | 4.50” | 4” NPSM | 4” NPT | 4.1 |
| A0031-625 | Riser Adapter | 6.25” | 4” NPSM | 4” NPT | 4.4 |
| A0031-625P | Riser Adapter | 6.25” | 4” NPSM | 4” NPT | 4.5 |
| A0031-725 | Riser Adapter | 7.25” | 4” NPSM | 4” NPT | 6.4 |
| A0031-725P | Riser Adapter | 7.25” | 4” NPSM | 4” NPT | 6.5 |
| A0031-825 | Riser Adapter | 8.25” | 4” NPSM | 4” NPT | 7.9 |
| A0031-825P | Riser Adapter | 8.25” | 4” NPSM | 4” NPT | 8.0 |
| A0031-900 | Riser Adapter | 9.00" | 4” NPSM | 4” NPT | 9.0 |
| Description | Installed Height |
Variants with a "P" include port
*Includes 2 set screws, for use when the riser pipe threads are damaged