501/421 Cable Gland
Application
The 501/421 cable gland provides a seal on the outer cable sheath and is intended for use on non-armoured elastomer and plastic insulated cables. The cable gland is dual certified Exd and Exe and is suitable for installation in Zone 1 (21) and Zone 2 (22) hazardous areas.
Features
When used in increased safety applications, this cable gland may be used with braided cable where the braid and the cables outer sheath pass into the enclosure. The braid must be suitably terminated inside the enclosure.
Materials & Finishes
The 501/421 cable gland is manufactured in Brass (standard), Nickel Plated Brass, 316 Stainless Steel or Aluminium.
Brass NPT entries are nickel plated as standard.
Technical Data
Exd IIC Gb, Exe IIC Gb, Extb IIIC Db
Baseefa Certificate No. Baseefa06ATEX0056X.
IECEx Certificate No. IECEx BAS 06.0013X.
Suitable for use in Zone 1, Zone 2, Zone 21 and Zone 22.
Suitable for use in Gas Groups IIA, IIB and IIC.
Construction and Test Standards: EC/EN 60079-0, IEC/EN 60079-1, IEC/EN 60079-7, IEC/EN 61241-0 and IEC/EN 61241-1.
Ingress Protection: IP66, IP67 and IP 68 (30 metres for 7 days) to IEC/EN 60529 and NEMA 4X.
Deluge protection to DTS01.
Operating Temperature Range: -60°C to +100°C.
Alternative certification options available:
Exe II. Certificate No. 1015065 (LR 78713-7).
BR-Exd IIC/Exe II. Certificate No. CEPEL 01.0059X.
GOST R-Exe IIU.
Exd IIC/Exe II.
GOST K - Approved for use in Kazakhstan.
Marine Approval. Certificate No. 06-LD142850A-PDA.
Marine Approval
KTL - Approved for use in Korea.
RINA Certificate No. ELE030710CS
501/421 Cable Gland
| CABLE GLAND SELECTION TABLE | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Size Ref. |
Entry Thread Size |
Thread Length ‘H’ |
Cable Acceptance Details | ‘G’ Compressed Length |
Hexagon Dimensions |
||||||
| Outer Sheath ‘B’ | |||||||||||
| Metric | NPT * |
Standard Seal | Alternative (S) Seal |
Across Flats |
Across Corners |
||||||
| Standard | Option | Min. | Max. | Min. | Max. | ||||||
| 2K | M16 | - | - | 15.0 | 3.0 | 8.0 | - | - | 23.5 | 19.0 | 21.2 |
| Os | M20 ‡ | ½" | - | 15.0 | 3.0 | 8.0 | - | - | 23.8 | 24.0 | 26.5 |
| O | M20 ‡ | ½" | - | 15.0 | 7.5 | 11.9 | - | - | 23.8 | 24.0 | 26.5 |
| A | M20 | ¾" | ½" | 15.0 | 11.0 | 14.3 | 8.5 | 13.5 | 24.8 | 30.0 | 32.5 |
| B | M25 | 1" | ¾" | 15.0 | 13.0 | 20.2 | 9.5 | 15.4 | 25.8 | 36.0 | 39.5 |
| C | M32 | 1¼" | 1" | 15.0 | 19.0 | 26.5 | 15.5 | 21.2 | 28.2 | 46.0 | 50.5 |
| C2 | M40 | 1½" | 1¼" | 15.0 | 25.0 | 32.5 | 22.0 | 28.0 | 29.5 | 55.0 | 60.6 |
| D | M50 | 2" | 1½" | 15.0 | 31.5 | 44.4/42.3 † | 27.5 | 34.8 | 40.4 | 65.0 | 70.8 |
| E | M63 | 2½" | 2" | 15.0 | 42.5 | 56.3/54.3 † | 39.0 | 46.5 | 38.2 | 80.0 | 88.0 |
| F | M75 | 3" | 2½" | 15.0 | 54.5 | 68.2/65.3 † | 49.5 | 58.3 | 40.5 | 95.0 | 104.0 |
| G | M80 | 3½" | - | 20.0 | 67.0 | 73.0 | - | - | 41.0 | 106.4 | 115.0 |
| H | M90 | 3½" | - | 20.0 | 67.0 | 77.6 | - | - | 41.0 | 115.0 | 130.0 |
| J | M100 | 4" | - | 20.0 | 75.0 | 91.6 | - | - | 41.0 | 127.0 | 142.0 |
| All dimensions in millimetres (except * where dimensions are in inches). 2K - F size metric entry threads are 1.5mm pitch as standard. For G size Cable Glands and above, a 2mm pitch is supplied as standard (1.5mm pitch with 15mm length of thread can be supplied) please specify when ordering. †Smaller value is applicable when selecting reduced NPT entry option. ‡ Sizes Os and O are available with an M16 thread size. For O size with M16 thread, the maximum cable outer sheath diameter is 10.9 mm |
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Ordering Information
Cable Gland Type/Size/Thread
e.g. 501/421/C/M32
501/421/C/1¼" NPT
Ordering Information with Alternative Seal (S)
Cable Gland Type/Size/Thread/S
e.g. 501/421/C/M32/S
501/421/C/1¼" NPT/S
