Couplers are counter bored to completely enclose threads & protect from damage and corrosion.
Metal : copper alloys
Couplers are counter bored to completely enclose threads & protect from damage and corrosion.
| Size mm | Prod. Code | Prod. Code | Prod. Code |
| Brass | Al. Bronze | Gunmetal | |
| 14 | BBAEC 14 | BBAEC 15 | BBAEC 15G |
| 16 or 5/8" | BBAEC 16 | BBAEC 17 | BBAEC 17G |
| 19 or 3/4" | BBAEC 19 | BBAEC 20 | BBAEC 20G |