E1FU Cable Gland


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E1FU Tri-Star Flameproof Ex d, Increased Safety Ex e and Restricted Breathing Ex nR Cable Gland

CMP Type E1FU Tri-Star Triple Certified Flameproof (Type ‘d’), Increased Safety (Type ‘e’) and Restricted Breathing (Type ‘nR’) indoor and outdoor cable gland for use in Zone 1, Zone 2, Zone 21 and Zone 22 Hazardous Areas with all types of armoured cable

All CMP Cable Glands are EMC Tested.

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This cable gland provides a Flameproof seal on the cable inner bedding and in addition the gas tight seal has been tested to prove compatibility with Restricted Breathing equipment. The cable gland allows mechanical cable retention and earth continuity via the cable armour termination. Separate tightening actions for the inner Displacement Seal and the Armour Termination afford maximum control over the pressure applied to the cable bedding, and also allows the effectiveness of the gas tight seal to be tested. A reversible armour cone and AnyWay clamping ring arrangement facilitates remote make off and enables the cable to be disconnected from the equipment. An environmental / load retention seal is provided on the cable outer sheath.

The CMP E1FU Tri-Star Cable Gland is suitable for use with all forms of equipment protection permitted in Zone 1, Zone 2, Zone 21 & Zone 22 provided always that the prevailing code of practice for selection and installation is observed, e.g. IEC 60079-14.

Note: Deluge Proof version available, ferrule colour coded "white" for ease of identification.
Note: Stepped Cone is suitable for SWA cables, Grooved Cone is suitable for all other approved armoured cables

Cable Gland Selection Table

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  • View Imperial Table
Cable Gland Size Available Entry Threads "C" Min Thread Length "E" Cable Bedding Diameter "A" Overall Cable Diameter "B" Armour Range + Across Flats "D" Across Corners "D" Protrusion Length "F" Ordering Reference (Brass Metric) # Shroud Ref* Cable Gland Weight (Kgs)
Standard Option Min Max Min Max Grooved Cone Stepped Cone Max Max
Metric NPT NPT Min Max Min Max
20S/16 M20 1/2" 3/4" 15.0 3.1 8.6 6.1 13.2 0.15 0.5 0.8 1.0 24.0 26.4 58.5 20S16E1FU1RA PVC04 0.163
20S M20 1/2" 3/4" 15.0 6.1 11.6 9.5 15.9 0.15 0.5 0.8 1.25 24.0 26.4 58.5 20SE1FU1RA PVC04 0.163
20 M20 1/2" 3/4" 15.0 6.5 13.9 12.5 20.9 0.2 0.5 0.8 1.25 30.5 33.6 60.5 20E1FU1RA PVC06 0.217
25S M25 3/4" 1" 15.0 11.1 19.9 14.0 22.0 0.2 0.6 1.25 1.6 37.5 41.3 67.5 25SE1FU1RA PVC09 0.345
25 M25 3/4" 1" 15.0 11.1 19.9 18.2 26.2 0.2 0.6 1.25 1.6 37.5 41.3 67.5 25E1FU1RA PVC09 0.345
32 M32 1" 1 1/4" 15.0 17.0 26.2 23.7 33.9 0.2 0.6 1.6 2.0 46.0 50.6 69.5 32E1FU1RA PVC11 0.484
40 M40 1 1/4" 1 1/2" 15.0 22.0 32.1 27.9 40.4 0.2 0.8 1.6 2.0 55.0 60.5 78.0 40E1FU1RA PVC15 0.700
50S M50 1 1/2" 2" 15.0 29.5 38.1 35.2 46.7 0.2 0.8 2.0 2.5 60.0 66.0 75.5 50SE1FU1RA PVC18 0.800
50 M50 2" 2 1/2" 15.0 35.6 44.0 40.4 53.1 0.3 0.8 2.0 2.5 70.0 77.0 80.5 50E1FU1RA PVC21 0.830
63S M63 2" 2 1/2" 15.0 40.1 49.9 45.6 59.4 0.3 0.8 2.0 2.5 75.0 82.5 91.5 63SE1FU1RA PVC23 1.415
63 M63 2 1/2" 3" 15.0 47.2 55.9 54.6 65.9 0.3 0.8 2.0 2.5 80.0 88.0 92.0 63E1FU1RA PVC25 1.514
75S M75 2 1/2" 3" 15.0 52.8 61.9 59.0 72.1 0.3 0.8 2.0 2.5 89.0 97.9 99.0 75SE1FU1RA PVC28 2.199
75 M75 3" 3 1/2" 15.0 59.1 67.9 66.7 78.5 0.3 0.8 2.5 3.0 99.0 108.9 102.0 75E1FU1RA PVC30 2.770
90 M90 3" 3 1/2" 15.0 66.6 79.9 76.2 90.4 0.4 0.8 3.0 3.5 114.0 125.4 120.0 90E1FU1RA PVC32 4.350
100 M100 - - 15.0 76.0 90.9 86.1 101.5 0.4 0.8 3.15 4.0 123.0 135.3 148.0 100E1FU1RA LSF33 4.750
115 M115 - - 15.0 86.0 97.9 101.5 110.3 0.4 0.8 3.15 4.0 133.4 146.7 169.0 115E1FU1RA LSF34 7.300
130 M130 - - 15.0 97.0 114.9 114.2 123.3 0.4 0.8 3.15 4.0 146.1 160.7 183.0 130E1FU1RA LSF35 8.600
Dimensions are displayed in millimetres unless otherwise stated


NOTE: *CMP SOLO LSF Halogen Free Shrouds also available on request. + Alternative armour clamping range available for non-standard armour sizes. # Other thread forms, materials and finishes are available. IEC Ex, ATEX & CSA hazardous area certification marking included as standard.


NOTE: *CMP SOLO LSF Halogen Free Shrouds also available on request. + Alternative armour clamping range available for non-standard armour sizes. # Other thread forms, materials and finishes are available. IEC Ex, ATEX & CSA hazardous area certification marking included as standard.

CSA Approval Certificate No. 1310517
CSA Code of Protection Category

Ex d IIC; Ex e II

CSA Compliance Standards CAN/CSA-C22.2 No 0-M91, CAN/CSA-C22.2 No 18-04, CAN/CSA-C22.2 No 25-1966, CAN/CSA-C22.2 No 30-M1986, CAN/CSA-C22.2 No 174-M1984, CAN/CSA-C22.2 No 94-M91, CAN/CSA-E60079-0:07, CAN/CSA-E60079-7:07, CAN/CSA-E60079-1:07
GOST R Certificate Number POCC GB.HO06.B00207
GOST R Code of Protection Category Ex d IIC / Ex e II / DIP A21
GOST R Compliance Standards ГOCT P 52350.0-2005, ГOCT P 52350.1-2005,
ГOCT P 52350.7-2005, ГOCT MЭK 61241-1-1-99
GOST GGTN Permit PPC 00-40706
GOST K Certificate Number KZ 75000361 01 01 14761
RoK Permit For Use Number 19-02-UL-1957
INMETRO Approval Certificate No. MC, AEX-7618-X
INMETRO Code of Protection Category BR - Ex d IIC / BR - Ex e II / IP66W
INMETRO Compliance Standards ABNT NBR IEC 60079-0:2006, ABNT NBR IEC 60079-1:2007, IEC 60079-7:2001 e ANBT NBR IEC 60529:2005
NEPSI Certificate Number GYJ081070
NEPSI Code of Protection Category Ex d IIC, Ex e II, Ex nR II, DIP A21 TA
NEPSI Compliance Standards GB3836.1/2/3, GB3836.8-2003, GB12476.1-2000
Lloyds Approval No. 01/00172
DNV Approval No. E-10496
ABS Approval No. 01-LD234401A/2-PDA
RETIE Approval Number 03866
Type E1FU Tri-Star
Design Specification BS 6121:Part 1:1989, EN 50262:1999
ATEX Certification Detail SIRA 06ATEX1097X, SIRA07ATEX4326X
ATEX Code of Protection Category ATEX ATEX Approved II 2 GD, Ex d IIC, Ex e II, Ex tD A21 IP66, ATEX ATEX Approved II 3 G Ex nR II
EN Compliance Standards EN 60079-0, EN 60079-1, EN 60079-7, EN 60079-15, IEC 61241-0, EN 61241-1
IEC Ex Certification Detail IECEx SIR 06.0043X
IEC Code of Protection Category Ex d IIC, Ex e II, Ex nR II, Ex tD A21 IP66, Ex d I,
Ex e I
IEC Compliance Standards IEC 60079-0, IEC 60079-1, IEC 60079-7, IEC 60079-15, IEC 61241-0, IEC 61241-1
Continuous Operating Temperature -60°C to +130°C
Ingress Protection Rating IP66, IP67, IP68 #
Cable Gland Material Brass, Electroless Nickel Plated Brass, Stainless Steel, Aluminium
Seal Material CMP SOLO LSF Thermoplastic Elastomer
Cable Type Single Wire Armour (SWA), Aluminium Wire Armour (AWA), Steel Tape Armour (STA), Wire Braid Armour (e.g. SWB), Aluminium Strip Armour (ASA), Pliable Wire Armour (PWA), Screened Flexible Wire Braid (e.g. CY / SY), Armored & Jacketed
Armour Clamping Reversible Armour Cone & AnyWay Universal Clamping Ring
Sealing Technique CMP Inner Displacement Seal & Unique CMP "LRS" TM Outer Load Retention Seal
Sealing Area(s) Cable Inner Bedding & Outer Cable Sheath
Accessories Adaptor/Reducer, Earth Tag, Locknut, Serrated Washer, Entry Thread Seal, Shroud

# IP66 as standard, IP67/IP68 available on request. Deluge Proof when fitted with optional CMP O-ring in the cable gland body joint.

Note: Ingress Protection and Deluge Protection are essentially different and should not be confused with each other.

If Tape Amour is to be used please contact CMP for advice.

Additional information

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CMP WP E1FU_0311