453/RAC Cable Gland (Group 1 Mining)
Application
Mining.
For use with single wire armoured ‘W’, wire braided ‘X’ and steel tape armoured ‘Z’ elastomer and plastic insulated cables.
Features
Provides armour clamping using one clamping arrangement for all armour/braid types.
Provides a seal on the cables inner sheath.
Provides a cable retention and low smoke and fume, zero halogen seal onto the cables outer sheath.
Materials & Finishes
The 453/RAC Cable Gland is manufactured in Brass (standard), Nickel Plated Brass or 316 Stainless Steel.
Brass NPT entries are nickel plated as standard.
Technical Data
Flameproof Exd I and Increased Safety Exe I.
I M2
Baseefa Certificate No. Baseefa08ATEX0331X.
IECEx Certificate No. IECEx BAS 08.0112X.
Suitable for use in Mines.
Construction and test standards IEC/EN 60079-0, IEC/EN 60079-1 and IEC/EN 60079-7.
IP66, IP67 and IP68 ingress protection to IEC/EN 60529.
Operating temperature range -60°C to +80° as standard.
501/453/RAC Cable Gland

| CABLE GLAND SELECTION TABLE | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size Ref. |
Entry Thread Size |
Thread Length ‘H’ |
Cable Acceptance Details | ‘G’ Compressed Length |
Hexagon Dimensions |
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| Inner Sheath ‘A’ | Outer Sheath ‘B’ |
‘C’ Armour/Braid |
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| Standard Seal |
Alternative Seal (S) |
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| Metric | NPT * |
||||||||||||||
| Standard | Option | Min. | Max. | Min. | Max. | Min. | Max. | Orientation 1 |
Orientation 2 |
Across Flats | Across Corners |
||||
| Os | M20 | ½" | - | 15 | 3.0 | 8.0 | - | - | 5.5 | 12.0 | 0.8 / 1.25 | 0 / 0.8 | 65.1 | 24.0 | 27.7 |
| O | M20 | ½" | - | 15 | 6.5 | 11.9 | - | - | 9.5 | 16.0 | 0.8 / 1.25 | 0 / 0.8 | 65.1 | 24.0 | 27.7 |
| A | M20 | ¾" | ½" | 15 | 10.0 | 14.3 | 8.5 | 13.4 | 12.5 | 20.5 | 0.8 / 1.25 | 0 / 0.8 | 66.1 | 30.0 | 34.6 |
| B | M25 | 1" | ¾" | 15 | 12.5 | 19.7 | 9.5 | 15.4 | 16.9 | 26.0 | 1.25 / 1.6 | 0 / 0.7 | 71.4 | 36.0 | 41.6 |
| C | M32 | 1¼" | 1" | 15 | 19.0 | 26.5 | 14.5 | 21.2 | 22.0 | 33.0 | 1.6 / 2.0 | 0 / 0.7 | 75.2 | 46.0 | 53.1 |
| C2 | M40 | 1½" | 1¼" | 15 | 25.0 | 32.5 | 22.0 | 28.0 | 28.0 | 41.0 | 1.6 / 2.0 | 0 / 0.7 | 77.1 | 55.0 | 63.5 |
| D | M50 | 2" | 1½" | 15 | 31.5 | 44.4/42.3 † | 27.5 | 34.8 | 36.0 | 52.6 | 1.8 / 2.5 | 0 / 1.0 | 90.3 | 65.0 | 75.1 |
| E | M63 | 2½" | 2" | 15 | 42.5 | 56.3/54.3 † | 39.0 | 46.5 | 46.0 | 65.3 | 1.8 / 2.5 | 0 / 1.0 | 96.7 | 80.0 | 92.4 |
| F | M75 | 3" | 2½" | 15 | 54.5 | 68.2/65.3 † | 48.5 | 58.3 | 57.0 | 78.0 | 1.8 / 2.5 | 0 / 1.0 | 96.0 | 95.0 | 109.6 |
| † Smaller value is applicable when selecting reduced NPT entry option. Metric entry threads are 1.5mm pitch as standard. All dimensions in millimeters (except*). |
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Alternative Reversible Armour Clamping Ring (RAC)
| SELECTION TABLE | ||
|---|---|---|
| Size Ref. |
Steel Wire Armour/Braid/Tape | |
| Orientation 1 | Orientation 2 | |
| B | 0.9 / 1.25 | 0.5 / 0.9 |
| C | 1.2 / 1.6 | 0.6 / 1.2 |
| C2 | 1.2 / 1.6 | 0.6 / 1.2 |
| D | 1.45 / 1.8 | 1.0 / 1.45 |
| E | 1.45 / 1.8 | 1.0 / 1.45 |
| F | 1.45 / 1.8 | 1.0 / 1.45 |
Cable Gland Ordering Examples
Type/Size/Thread
e.g. 453/RAC/C/M32
453/RAC/C/1¼" NPT
Cable Gland with Alternative Seal (S)
e.g. 453/RAC/C/M32/S
453/RAC/C/1¼" NPT/S
Cable Gland With Alternative Clamping Ring
e.g. 453/RAC/C/M32/AR
453/RAC/C/1¼" NPT/AR