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Brand: CMP Products
CMP E2FW Explosive Atmosphere Cable Gland for Lead Sheathed Armoured Cable
Description
A gland that earths the lead sheath of armoured cable
The CMP E2FW is a globally approved explosive atmosphere cable gland for lead sheathed steel and aluminium wire armoured cables. It effectively earths the lead sheath, clamps the armour metal-to-metal with a detachable armour cone and the AnyWay universal clamping ring, and seals with an inner displacement seal on the lead covering plus a controlled outer load retention seal. The datasheet adds that it is designed to reduce the effects of cold flow and has an OSTG feature that prevents over-tightening.
Lead sheathed armoured cables are specified where chemical or hydrocarbon attack on a plastic sheath is a concern. The temperature range is -60 to +130 C, IP66 is standard (IP67 and IP68 on request) and the marked codes cover Ex db, Ex eb, Ex nR and Ex ta.
Technical specifications
| Parameter | Specification |
|---|---|
| Manufacturer / series | CMP Products, E2FW (TDS592 REV19) |
| Application | Explosive atmosphere gland for lead sheathed SWA / AWA armoured cable |
| Cable types | Lead sheathed and single wire armour (SWA); lead sheathed and aluminium wire armour (AWA) |
| Sealing technique | Inner displacement seal (lead covering) and outer load retention seal |
| Armour clamping | Detachable armour cone and AnyWay universal clamping ring |
| ATEX / IECEx / UKEX | CML18ATEX1324X, CML18ATEX4316X; IECEx CML 18.0181X; CML 21UKEX1252X, CML 21UKEX4253X |
| Code of protection | II 2G 1D Ex db IIC Gb, Ex eb IIC Gb, Ex ta IIIC Da; II 3G Ex nR IIC Gc; I M2 Ex db I Mb, Ex eb I Mb |
| North America | cCSAus certificate 1310517; Type 4X |
| Design specification | BS 6121 Part 1:1989, IEC 62444, EN 62444 |
| Mechanical classification | Impact level 8, cable anchorage type D; IK10 (brass and stainless steel only) |
| Ingress protection | IP66 as standard; IP67 and IP68 on request; DTS01:91 option (white ferrule) |
| Operating temperature | -60 to +130 C |
| Materials | Brass, electroless nickel plated brass, aluminium |
| Seal material | CMP SOLO LSF halogen-free thermoset elastomer |
| Size range | 20S16 to 130 (M20 to M130) |
Selected sizes from the datasheet selection table (metric thread, brass):
| Size | Entry thread | Lead sheath dia. (mm) | Overall cable dia. (mm) | Armour thickness (mm) | Across flats (mm) | Length F (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| 20S16 | M20 | 3.1-7.8 | 6.1-13.1 | 0.8-1.25 | 24.0 | 72.5 | 0.16 |
| 25 | M25 | 11.1-19.3 | 18.2-26.2 | 1.25-1.6 | 37.5 | 89.0 | 0.33 |
| 32 | M32 | 17.0-25.5 | 23.7-33.9 | 1.6-2.0 | 46.0 | 86.0 | 0.43 |
| 50 | M50 | 35.6-42.6 | 40.4-53.0 | 2.0-2.5 | 70.1 | 95.0 | 0.95 |
| 75 | M75 | 59.1-65.2 | 66.7-78.4 | 2.5-3.0 | 100.0 | 117.0 | 2.43 |
| 130 | M130 | 97.0-110.1 | 110.2-123.2 | 3.15-4.0 | 152.4 | 174.0 | 8.38 |
Selection and ordering
Both the lead sheath diameter and the overall cable diameter must fall inside the ranges of the chosen size, and the armour thickness must match the clamping range. Ordering follows the same pattern as other CMP glands, for example 20E2FW1RA5 for nickel plated brass M20. Material suffixes are brass (none), nickel plated brass 5 and copper-free aluminium 1; NPT options add the digits listed in the datasheet. Stainless steel is not listed for this gland on the datasheet.
Because the lead is part of the earth path, the gland earths the sheath effectively; the cable installer should still follow the site earthing and bonding procedure. Where the cable has no lead sheath, other CMP types such as the E1FW or the barrier PX2K family are more appropriate.
Installation and approvals
The gland is typically fitted directly or remotely with the standard CMP shroud (the datasheet gives PVC04 to LSF35 by size). The classification block lists ATEX, IECEx and UKEX certificates and the marine approvals LRS, DNV, ABS and BV. Check the printed certificate numbers against your project requirements, particularly if mining (Group I) or North American markings are needed.
Related CMP Products products: CMP A2F Explosive Atmosphere Cable Gland for Unarmoured Cable, CMP E1FW Explosive Atmosphere Cable Gland for SWA and AWA Cable, CMP C2K Ex eb Explosive Atmosphere Cable Gland for Armoured Cable, CMP E1FX Explosive Atmosphere Cable Gland for Braided Cable, CMP PX2KX Explosive Atmosphere Barrier Cable Gland for Braided Cable and CMP PXSS2K Double Seal Barrier Cable Gland for Unarmoured Cable.
Documents and quotation
The attached CMP E2FW datasheet includes the full selection table for sizes 20S16 to 130 and the certificate block. When requesting a price, tell us the size code, entry thread (metric or NPT), material, cable type and construction, hazardous area classification and quantity, and whether shrouds or other accessories are needed. See also Electrical Tapes and Cable Accessories and the CMP E1FW cable gland for SWA and AWA cable.
Datasheets & Documents
- Datasheet CMP E2FW cable gland datasheet (TDS592) Download
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About brand
CMP Products is a British manufacturer of cable glands, cable cleats and accessories for industrial and hazardous areas. The CMP brand was created in 1957, when British Engines Limited began making cable terminating glands. British Engines was founded in 1922 in Newcastle upon Tyne by the brothers Harold and Charles Lamb and is still owned by the Lamb family.
Seven Star LLC sources and supplies CMP cable glands for explosive atmospheres to contractors in Oman, including the E1FW and the Triton T3CDS, among other glands and cable cleats listed on this page.
CMP Products company profile
| Founded | 1957, as the cable gland business of British Engines Limited |
|---|---|
| Parent | British Engines Limited, founded in 1922 in Newcastle upon Tyne by Harold and Charles Lamb |
| Headquarters | Cramlington, Northumberland, United Kingdom |
| Ownership | Lamb family, through the British Engines group |
| Product families | Industrial and hazardous-area cable glands for armoured and unarmoured cable (Ex d, Ex e), barrier glands, cable cleats, shrouds, earth tags and locknuts |
Milestones
- 1922: Harold and Charles Lamb found British Engines Limited in Newcastle upon Tyne.
- 1957: British Engines introduces cable terminating glands under the CMP brand.
CMP cable glands listed here
The T3CDS Triton is a gland for armored cables with a compensating displacement seal, a design that sets the inner seal correctly across the cable diameter range, and an integral deluge seal. CMP lists it as Ex db, Ex eb, Ex nR and Ex ta, with IP66, IP67 and IP68 ratings. The E1FW is the explosive atmosphere gland for steel wire armored (SWA) and aluminum wire armored (AWA) cable.
CMP Products products we list
Ordering CMP glands: what we need
A gland is sized to the cable, so send the cable type and three dimensions: inner bedding diameter, outer sheath diameter and armor wire size. Add the entry thread and size (metric or NPT), the gland material (brass, nickel-plated brass or stainless steel) and accessories such as locknut, earth tag, sealing washer and shroud. GCC project specifications usually name the certificate required.
Facts checked against CMP Products catalogues and British Engines company information, October 2026.
FAQ
Questions about the CMP E2FW Explosive Atmosphere Cable Gland for Lead
Answers from our engineering team on installation, compatibility and integration.
01What cable is the E2FW designed for?
Lead sheathed steel wire (SWA) and aluminium wire (AWA) armoured cables.
02What is the temperature range?
-60 to +130 C.
03What IP rating applies?
IP66 as standard; IP67 and IP68 are available on request.
04Which sizes are available?
Size codes 20S16 to 130, M20 to M130 and NPT options.
05Which materials are offered?
Brass, electroless nickel plated brass and aluminium.
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