483 Adaptor Flange
Application
To allow metric threaded Group I Cable Gland types, 653/Universal, 653/T and 623 to be used in size up spigot entries.
Materials & Finishes
The 483 Adaptor Flange is manufactured as standard in Brass.
Technical Data
Flameproof Exd I 
I M2
Baseefa Certificate No. Baseefa02ATEX0173U.
Suitable for use in Mines.
| 483 ADAPTOR FLANGE SELECTION TABLE | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size Ref. |
‘K’ | ‘L’ | ‘M’ | ‘N’ | ‘P’ | ‘R’ | ‘S’ | ‘T’ | ‘U’ | ‘V’ | ‘W’ | Casting Size |
| O | 57.1 | 12.7 | 25.4 | 26.1 | 6.7 | 11.1 | 7.0 | 36.0 | 82.5 | M20 | 20.0 | B |
| A | 57.1 | 12.7 | 25.4 | 26.1 | 6.7 | 11.1 | 7.0 | 36.0 | 82.5 | M20 | 20.0 | B |
| B | 69.8 | 14.3 | 31.75 | 27.7 | 9.1 | 15.1 | 8.7 | 46.0 | 98.4 | M25 | 25.4 | C |
| C | 82.5 | 14.3 | 38.1 | 27.7 | 9.1 | 15.1 | 8.7 | 55.0 | 111.1 | M32 | 32.0 | C2 |
| C2 | 95.2 | 17.5 | 50.8 | 29.3 | 11.1 | 18.1 | 10.5 | 65.0 | 130.2 | M40 | 40.0 | D |
| D | 114.3 | 17.5 | 63.5 | 29.3 | 11.1 | 18.1 | 10.5 | 80.0 | 149.3 | M50 | 50.7 | E |
| E | 127.0 | 17.5 | 76.2 | 32.5 | 11.1 | 20.5 | 13.5 | 95.0 | 162.0 | M63 | 63.4 | F |
| F | 127.0 | 17.5 | 76.2 | 48.0 | 11.1 | 20.5 | 13.5 | 95.0 | 162.0 | M75 | 66.0 | F |
| EQUIPMENT ENTRY HOLE SIZE | ||
|---|---|---|
| Size Ref. |
Max. | Min. |
| O | 25.7 | 25.45 |
| A | 25.7 | 25.45 |
| B | 32.05 | 31.80 |
| C | 38.4 | 38.15 |
| C2 | 51.1 | 50.85 |
| D | 63.8 | 63.55 |
| E | 76.5 | 76.25 |
| F | 76.5 | 76.25 |
Adaptor Flange Ordering Example
Adaptor Flange Type/Size
e.g. 483/A
