Blanking Flange Type 470
Application
Mining.
To close unused cable gland entries and maintain the flameproof integrity of the equipment.
Materials & Finishes
The 470 Blanking Flange is manufactured in Brass (standard), Nickel Plated Brass or 316 Stainless Steel.
Technical Data
Flameproof Exd 
I M2.
Baseefa Certificate No. Baseefa08ATEX0333U.
IECEx Certificate No. IECEx BAS 08.0113U
Suitable for use in Mines.
Construction and Test Standards: IEC/EN 60079-0 and IEC/EN 60079-1.
Operating Temperature Range: -60°C to +80°C.
Alternative certifcation options available: 
GOST R-Exe IIU
| 470 BLANKING FLANGE SELECTION TABLE | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Size Ref. | Flange Dimensions | ||||||||
| ‘K’ | ‘L’ | ‘M’ | ‘N’ | ‘P’ | ‘R’ | ‘S’ | ‘T’ | ‘U’ | |
| O | 44.4 | 12.7 | 19.05 | 26.1 | 6.7 | 11.1 | 7.0 | 30.0 | 70.0 |
| A | 44.4 | 12.7 | 19.05 | 26.1 | 6.7 | 11.1 | 7.0 | 30.0 | 70.0 |
| B | 57.1 | 12.7 | 25.4 | 26.1 | 6.7 | 11.1 | 7.0 | 36.0 | 82.5 |
| C | 69.8 | 14.3 | 31.75 | 27.7 | 9.1 | 15.1 | 8.7 | 46.0 | 98.4 |
| C2 | 82.5 | 14.3 | 38.1 | 27.7 | 9.1 | 15.1 | 8.7 | 55.0 | 111.1 |
| D | 95.2 | 17.5 | 58.8 | 29.3 | 11.1 | 18.1 | 10.5 | 65.0 | 130.2 |
| E | 114.3 | 17.5 | 63.5 | 29.3 | 11.1 | 18.1 | 10.5 | 80.0 | 149.3 |
| F | 127.0 | 17.5 | 76.2 | 32.5 | 11.1 | 20.5 | 13.5 | 95.0 | 162.0 |
| All dimensions in millimetres. | |||||||||
| EQUIPMENT ENTRY HOLE SIZE | ||
|---|---|---|
| Size Ref. | Max. | Min. |
| O/A | 19.35 | 19.1 |
| B | 25.7 | 25.45 |
| C | 32.05 | 31.8 |
| C2 | 38.4 | 38.15 |
| D | 51.1 | 50.85 |
| E | 63.8 | 63.55 |
| F | 76.5 | 76.25 |
| All dimensions in millimetres. | ||
Ordering Information
Blanking Flange Type/Size
e.g. 470/C
