BSP Barrel union
Female × female

| Size (in) | 316 stainless steel | Galvanised malleable iron | Black steel | Galvanised steel | Cast brass |
|---|---|---|---|---|---|
| 1/8" | SS85-0003 | — | — | — | BRD85-0003 |
| 1/4" | SS85-0006 | GM85-0006 | BS85-0006 | GS85-0006 | BRD85-0006 |
| 3/8" | SS85-0010 | GM85-0010 | BS85-0010 | GS85-0010 | BRD85-0010 |
| 1/2" | SS85-0012 | GM85-0012 | BS85-0012 | GS85-0012 | BRD85-0012 |
| 3/4" | SS85-0020 | GM85-0020 | BS85-0020 | GS85-0020 | BRD85-0020 |
| 1" | SS85-0025 | GM85-0025 | BS85-0025 | GS85-0025 | BRD85-0025 |
| 1.1/4" | SS85-0032 | GM85-0032 | BS85-0032 | GS85-0032 | BRD85-0032 |
| 1.1/2" | SS85-0038 | GM85-0038 | BS85-0038 | GS85-0038 | BRD85-0038 |
| 2" | SS85-0050 | GM85-0050 | BS85-0050 | GS85-0050 | BRD85-0050 |
| 2.1/2" | SS85-0063 | GM85-0063 | BS85-0063 | GS85-0063 | — |
| 3" | SS85-0075 | GM85-0075 | BS85-0075 | GS85-0075 | — |
| 4" | SS85-0100 | GM85-0100 | BS85-0100 | GS85-0100 | — |