Riser Adapters & Nipples - A7901 Controlled I.D. Pipe Nipples
Emco A7901 Pipe Nipples hold a 4.173” controlled I.D. with 4” NPT top and bottom threads. Pipe nipples are machined from flame-controlled steel with no internal weld bead and painted with a protective black coating.
The controlled I.D. allows for pipe nipples to be used with submersible tank pumps and in Emco remote fill systems. These pipe nipples can also be used as an extension to a fill pipe in a spill container.
Custom sizes are available on request.
Pipe nipples in 316 stainless steel are available for special order.
Features & Benefits
- No internal weld bead
- Ship with durable HDPE pipe thread caps to ensure pipe threads arrive damage free.
Sales Literature
A7901-image
A7901
Two-Piece Riser Extension section
A7901 Controlled I.D. Pipe Nipples
| wdt_ID | wdt_created_by | wdt_created_at | wdt_last_edited_by | wdt_last_edited_at | Part Number | Weight (lbs.) | Length A | Material |
|---|---|---|---|---|---|---|---|---|
| 1 | kdoyle | 09/14/2026 12:20 PM | kdoyle | 09/14/2026 12:20 PM | A7901-004 | 2.2 | 4" | Black Painted Steel |
| 2 | kdoyle | 09/14/2026 12:20 PM | kdoyle | 09/14/2026 12:20 PM | A7901-005 | 2.8 | 5" | Black Painted Steel |
| 3 | kdoyle | 09/14/2026 12:21 PM | kdoyle | 09/14/2026 12:21 PM | A7901-006 | 3.3 | 6" | Black Painted Steel |
| 4 | kdoyle | 09/14/2026 12:21 PM | kdoyle | 09/14/2026 12:21 PM | A7901-007 | 3.9 | 7" | Black Painted Steel |
| 5 | kdoyle | 09/14/2026 12:23 PM | kdoyle | 09/14/2026 12:23 PM | A7901-008 | 4.4 | 8" | Black Painted Steel |
| 6 | kdoyle | 09/14/2026 12:23 PM | kdoyle | 09/14/2026 12:23 PM | A7901-012 | 6.7 | 12 | Black Painted Steel |
| 7 | kdoyle | 09/14/2026 12:24 PM | kdoyle | 09/14/2026 12:24 PM | A7901-018 | 10.0 | 18" | Black Painted Steel |
| 8 | kdoyle | 09/14/2026 12:24 PM | kdoyle | 09/14/2026 12:24 PM | A7901-024 | 13.3 | 24" | Black Painted Steel |
| 9 | kdoyle | 09/14/2026 12:24 PM | kdoyle | 09/14/2026 12:24 PM | A7901-030 | 16.7 | 30" | Black Painted Steel |
| 10 | kdoyle | 09/14/2026 12:25 PM | kdoyle | 09/14/2026 12:25 PM | A7901-004SS | 2.3 | 4" | 304 Stainless Steel |