Hardcoat Aluminum Fire Hydrant Adapters have 2-1/2″ Female Fire Hydrant Thread on one end, and 1-1/2″ or 2″ or 3″ Male Pipe Thread (MPT) on the other end.
Please ensure that the adapter you are ordering is compatible with the hydrant or standpipe to which the adapter will be coupled. Municipalities and fire departments in different regions use different threaded fittings.
| Code | Region | Description | OD | Pitch |
| BAT | BC & Alberta | BCST British Columbia Standard Thread & AMA Alberta Mutual Aid combined | 2.990″ | 8 |
| CSA | Ontario | Canadian Standards Association | 3.125″ | 5 |
| NS1 | Nova Scotia | Nova Scotia Zone 1 | 3.234″ | 5 |
| QST | Quebec | QST and QMT Quebec/Montreal combination thread | 3.031″ | 7 |
| WCT | Saskatchewan & Manitoba | Western Canadian Fire Underwriters Association | 3.250″ | 6 |





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