APPLICATIONS

Designed for electrical installations in classifiedareas, to use outdoors, where dust or anyother external agent is present. Used with armoured andnon-armoured cables, with frames like helical of galvanizedsteel wire, braid of galvanized steel wire and helical of galvanized steel band: used in entries of command boxes,control stations, lighting fixtures, pannels, engines, etc.In the armoured cable model, the press of armour is madeby a double cone which is compressed inside by the pieces that provides the continuity of mass fixing the wire mechanicallyIt has a double hermetic seal: one flame-proof and anotherweather-proof to prevent the entry of water, dust, etc.

FEATURES

Manufacture: Metal body of brass, acrylonitrile gasket, watertightnesswasher of polyamide.On request: Metal body of nickel brass.

Thread Type: (see table of Threaded Entries)- 1/2" to 2” in N.P.T.- M20 to M63 in Metric 1,5.On request:- 1/2" to 2” in BSPT- PG 11 to PG 48.

Ex d IIC and Ex e II according to IEC 79.1 and 79.7 Ex DIP A 21 T6 (for zone 21) according to IEC 1241-1-1.IP 65.

66 - DELGA S.A.

Accesories:Brass nut: Limited to “e” protection boxes with thin walls and through hole.On request: Nickel brass.

Brass terminals: To provide internal and / or external earth in boxes with non-continuity of mass or when usingnon-armoured cables is required earth.On request: Nickel brass.

Cableglands depending on threaded entry and armoured cable to use.

CODES AND DIMENSIONS

4

17.0 21.0 23.0 28.0 EXPA 4S037 EXPA 4S047

20.0 24.0 27.0 32.0 EXPA 4M037 EXPA 4M047

23.0 27.0 31.0 36.0 EXPA 4L037 EXPA 4L047

5

22.0 26.0 26.0 32.0 EXPA 5S047 EXPA 5S057

25.0 29.0 31.0 37.0 EXPA 5M047EXPA 5M057

28.0 32.0 36.0 42.0 EXPA 5L047 EXPA 5L057

6

29.0 34.0 35.0 41.0 EXPA 6S067

34.0 39.0 41.0 47.0 EXPA 6M067

39.0 44.0 47.0 52.0 EXPA 6L067

GENERAL INFORMATION

Explosion Proof - Boxes, accesories and components

Cable-glands for armoured and non armoured cables

EXPA / EXPNcode:

Basic size

Cable diameter Cableglands code for armoured cableUnder armor External NPT OPTION THREAD

from to from to 1/2" IIB* 1/2" 3/4" 1" 1 1/4" 1 1/2" 2"

1 - 2

3.0 7.0 9.0 12.0 EXPAB 1S017 EXPA 2S017 EXPA 2S027

6.5 12.8 10.5 16.0 EXPAB 1M017 EXPA 2M017 EXPA 2M027

11.0 14.3 13.0 21.0 EXPA 2L017 EXPA 2L027

311.0 15.0 14.0 18.0 EXPA 3S027 EXPA 3S037

14.0 20.0 17.0 24.0 EXPA 3M027 EXPA 3M037

15DELGA S.A. - 67

Basic

size

Cable diameter Cableglands code for armoured cable

Under armor External METRIC THREAD x 1,5

from to from to M 20 IIB* M 20 M 25 M 32 M 40 M 50 M 63

1 - 23.0 7.0 9.0 12.0 EXPAB 1SM20 EXPA 2SM20 EXPA 2SM256.5 12.8 10.5 16.0 EXPAB 1MM20 EXPA 2MM20 EXPA 2MM25

11.0 14.3 13.0 21.0 EXPA 2LM20 EXPA 2LM25

311.0 15.0 14.0 18.0 EXPA 3SM25 EXPA 3SM3214.0 20.0 17.0 24.0 EXPA 3MM25 EXPA 3MM32

417.0 21.0 23.0 28.0 EXPA 4SM32 EXPA 4SM4020.0 24.0 27.0 32.0 EXPA 4MM32 EXPA 4MM4023.0 27.0 31.0 36.0 EXPA 4LM32 EXPA 4LM40

522.0 26.0 26.0 32.0 EXPA 5SM40 EXPA 5SM5025.0 29.0 31.0 37.0 EXPA 5MM40 EXPA 5MM5028.0 32.0 36.0 42.0 EXPA 5LM40 EXPA 5LM50

6

29.0 34.0 35.0 41.0 EXPA 6SM5034.0 39.0 41.0 47.0 EXPA 6MM50

39.0 44.0 47.0 52.0 EXPA 6LM50

Basicsize

Dimensional (mm.) Min. Packing(unit)

Packing weight

unit (kg)e/c A Ø turn C F1 25.4 27.5 80 10 25 4,102 31.75 34.5 85 25 15 4,223 38.1 42.0 90 25 10 3,444 50.8 55.0 100 25 5 3,315 57.2 62.0 100 25 5 5,206 76.2 83.0 105 25 2 3,30

* Only for IIB or IIC groups with less volume than 2000 cm3. For IIC with more volume than 2000 cm3 can use the 3 3 EXPA 2#017 version.

Dimensions and weights are approximated.

www.delga.com

Basic

size

Cable diameter Cableglands code for Non armoured cable

- - External NPT OPTION THREAD

- - from to 1/2" IIB* 1/2" 3/4" 1" 1 1/4" 1 1/2" 2"

1 - 2- - 3.1 7.0 EXPNB 1S017 EXPN 2S017 EXPN 2S027- - 6.5 12.8 EXPNB 1M017 EXPN 2M017 EXPN 2M027- - 11.0 14.3 EXPN 2L017 EXPN 2L027

3 - - 11.0 15.0 EXPN 3S027 EXPN 3S037- - 14.0 20.0 EXPN 3M027 EXPN 3M037

4- - 17.0 21.0 EXPN 4S037 EXPN 4S047- - 20.0 24.0 EXPN 4M037 EXPN 4M047- - 23.0 27.0 EXPN 4L037 EXPN 4L047

5- - 22.0 26.0 EXPN 5S047 EXPN 5S057

- - 25.0 29.0 EXPN 5M047 EXPN 5M057

- - 28.0 32.0 EXPN 5L047 EXPN 5L057

6- - 29.0 34.0 EXPN 6S067

- - 34.0 39.0 EXPN 6M067

- - 39.0 44.0 EXPN 6L067

Cable glands depending on threaded entry and non-armoured cable to use.

* Only for IIB or IIC groups with less volumen than 2000 cm3. For IIC with more volumen than 2000 cm3 can use the EXPAN 2#017 version.

Basic

size

Cable diameter Cableglands code for Non armoured cable- - External METRIC THREAD x 1,5

- - from to M 20 IIB* M 20 M 25 M 32 M 40 M 50 M 63

1 - 2- - 3.1 7.0 EXPNB 1SM20 EXPN 2SM20 EXPN 2SM25- - 6.5 12.8 EXPNB 1MM20 EXPN 2MM20 EXPN 2MM25- - 11.0 14.3 EXPN 2LM20 EXPN 2LM25

3 - - 11.0 15.0 EXPN 3SM25 EXPN 3SM32- - 14.0 20.0 EXPN 3MM25 EXPN 3MM32

4- - 17.0 21.0 EXPN 4SM32 EXPN 4SM40- - 20.0 24.0 EXPN 4MM32 EXPN 4MM40- - 23.0 27.0 EXPN 4LM32 EXPN 4LM40

5- - 22.0 26.0 EXPN 5SM40 EXPN 5SM50- - 25.0 29.0 EXPN 5MM40 EXPN 5MM50- - 28.0 32.0 EXPN 5LM40 EXPN 5LM50

6- - 29.0 34.0 EXPN 6SM50- - 34.0 39.0 EXPN 6MM50- - 39.0 44.0 EXPN 6LM50

Basicsize

Dimensional (mm.) Min. Packing(unit)

Packing weight

unit (kg)e/c A Turn Ø C F

1 25.4 27.5 52 10 25 2,712 31.75 34.5 60 25 15 2,853 38.1 42.0 63 25 10 2,104 50.8 55.0 67 25 5 1,965 57.2 62.0 68 25 5 3,126 76.2 83.0 70 25 2 1,80

Dimensions and weights are approximated.

68 - DELGA S.A.

EXPA 2S017 LN

Small (cable size).

2 (Basic size).

Nickel brass (material on request).1/2” NPT (size and thread type).

Cablegland for armoured cable

EXPN 2S017 LN

Small (cable size).

2 (Basic size).

Nickel brass (material on request).1/2” NPT (size and thread type).

Cablegland for non-armoured cable

CABLE GLAND FOR ARMOURED CABLE

Unarmed

8 - Watertightnesswasher

7 - Bodygland

6 - Flame-proofgasket

5 - AdjustingCone

3 - Union body

4 - AdjustingO�ring

1 - Tightennut

2 - Watertightgasket

Explosion Proof - Boxes, accesories and components

Cable-glands for armoured and non armoured cables

EXPA / EXPNcode:

Order example

Assembled method

1

1.0 - Grease all the threads. (Industrial vaseline or oily lithium)

1.1 - Peel the end of the cable, considering that the length "X" until the wiring position must include the body length between threads.

1.2 - Cut the metal mesh leaving an useful length as long as the conic zone of theclamping and earthing cone (5) plus 1or 2 mm.

2

2.1 - Thread the tighten nut with the weather proof gasket inside (1), the reduction body (3), the clanping and earthing ring so that the main side cone remains at the cut end of cable.

33.1 - Open the metal mesh in such a way that it "copies" the adjustment cone. Thread it.

5 - Adjusting cone

1 - Nut (with watertightgasket)

3 - Union body4 - Adjusting ring

5 - Adjusting cone

DELGA S.A. - 69

www.delga.com

4

4.1 - Thread the body gland, with watertightness washer to the other cableglands side.

4.2 - Thread the body gland at the entry with the appropriate wrench until it has been adjusted definitively.

4.3 - Then thread the union body (3) and the lock nut (1) with a considerable adjustment (with the appropriate wrench).

5

5.1 - In case of cableglands for "e mode" protection or weather proof, add the watertightness washer (8).

8 - Watertightnesswasher

7 - Body gland

CABLE GLAND FOR NON ARMOURED CABLE

Unarmed

5 - Watertightness washer(to be used in “e” version)

3 - Flame proofgasket

4 - Body gland

1 - Tighten nut

2 - Adjustmentbushing

Assembled method

1.0 - Grease all the threads. (Industrial vaseline or oily lithium grease)

1.1 - Thread in the cable, the tighten nut (1), the adjustment bushing (2) and body gland (4)with the flameproof gasket (3) toward of the side of the other part of the cablegland.

1.2 - Thread the body gland at the entry with the appropriate wrench until it has been adjusted definitively.

1.3 - Thread all the parts with a considerable adjustment (with the appropriate wrench).

2.1 - In cases of cableglands for “e” protection or weather proof, add the watertightness washer.

5 - Watertightnesswasher

4 - 3.- Body gland withflame-proof gasket

2 - Adjustmentbushing

1 - Tighten nut

1

2

70 - DELGA S.A.

RECOMENDATIONS

The choice of the right system

1 - Set the classified area for the installation.

2 - Define the type of cable to use (armoured or non armoured).

3 - Determine the entries of the element you want to enter (diameter and thread type):If it is possible use NPT threads. Remember that Delga�s cable-glands and standard accesories aremanufactured in this type of thread, so you will obtain a quick delivery and reposition of parts.

4 - Define the diameters under armor and external (if corresponds) of the cable to use.

5 - According to the cable�s diameter, choose the exact cable-gland.

6 - Order the chosen option by its code. Otherwise, detail their characteristics (cable`s diameter and thread type).

Recommendations for use

1 - Verify that the peeled length of the cable is just what you�re needing.

2 - Grease all the threads before assembling.

3 - Be sure that cable is strongly pressed by the corresponding gasket.

4 - In the case of using an armoured cable, select the adjustment ring that better adapts to the armour type of cable�s:- big ring (with external slot) for helical armour of steel tape or wire.- small ring (without external slot) for helical armour of wire or braid.

5 - Cut the armour in a way that can enclose the shape of the cone.

6 - When using the "e" version with conic threads (NPT) the hole where it will be applied must be adjustby the corresponding nut.

7 - In the "e" version, the watertightness washer must be placed and adjust so much as it is possiblewithout deforming it, but bear in mind that it must support and exert a considerable pressure.

8 - Use just the right accesories.

ACCESORIES

Brass nut

Dimensions (mm.)

NPT Threads Threads size1/2" 3/4" 1" 1 1/4" 1 1/2" 2"

A 25.4 31.8 38.1 50.8 57.2 76.2H 3.5 3.5 3.5 3.5 5.0 5.0

Ø Turn 27.5 34.5 42.0 55.0 62.0 83.0Code EXPT 1017 EXPT 2027 EXPT 3037 EXPT 4047 EXPT 5057 EXPT 6067

Min. Packing (unit) 50 30 20 10 10 10Weight packaging unit (kg) - - - - - -

Dimensions (mm.)

Metric Thread x 1,5 Threads sizeM 20 M 25 M 32 M 40 M 50 M 63

A 25.4 31.8 38.1 50.8 63.5 76.2H 3.5 3.5 3.5 3.5 5.0 5.0

Ø Turn 27.5 34.5 42.0 55.0 73.2 83.0Code EXPT 1M20 EXPT 2M25 EXPT 3M32 EXPT 4M40 EXPT 5M50 EXPT 6M63

Min. Packing (unit) 50 30 20 10 10 10Weight packaging unit (kg) - - - - - -

Material CodeBrass std. (*)

Nickel brass LNAluminium AL

(*) std. material not mentioned

On request

On request

Dimensions and weights are approximated.

EXPT 1017

1 (Basic size).Brass nut.

1/2" NPT (size and thread type).

Explosion Proof - Boxes, accesories and components

Cable-glands for armoured and non armoured cables

EXPA / EXPNcode:

Order example

DELGA S.A. - 71

Earth terminalDimensions (mm.)

Metric Thread x 1,5 Thread size1 2 3 4 5 6

A 21.5 26.5 33.0 43.0 50.0 63.0B 29.0 34.0 41.0 53.0 62.0 78.0E 6.0 6.0 7.0 8.0 8.0 8.0G 12.0 12.0 14.0 16.0 16.0 16.0

Code EXPM 1 EXPM 2 EXPM 3 EXPM 4 EXPM 5 EXPM 6Min. Packing (unit) 50 50 50 1 1 1

Weight packaging unit (kg) - - - - - -Thickness 0,8 mm of brass plate Instructions for useDimensions and weights are approximated.

www.delga.com

EXPM 1Basic size.Earth terminal.

Order example

CABLEGLANDS ACCESORIESBasic size FOR ARMOURED CABLE FOR NON ARMOURED CABLE BRASS NUT BRASS TERMINALS

1

EXPAB 1S017 EXPNB 1S017EXPT 1017

EXPM 1

EXPAB 1M017 EXPNB 1M017EXPAB 1SM20 EXPNB 1SM20

EXPT 1M20EXPAB 1MM20 EXPNB 1MM20

2

EXPA 2S017 EXPN 2S017EXPT 1017EXPA 2M017 EXPN 2M017

EXPA 2L017 EXPN 2L017EXPA 2SM20 EXPN 2SM20

EXPT 1M20EXPA 2MM20 EXPN 2MM20EXPA 2LM20 EXPN 2LM20EXPA 2S027 EXPN 2S027

EXPT 2027

EXPM 2

EXPA 2L027 EXPN 2L027EXPA 2SM25 EXPN 2SM25EXPA 2SM25 EXPN 2SM25

EXPT 2M25EXPA 2MM25 EXPN 2MM25EXPA 2LM25 EXPN 2LM25

3

EXPA 3S027 EXPN 3S027EXPT 2027

EXPA 3M027 EXPN 3M027EXPA 3SM25 EXPN 3SM25

EXPT 2M25EXPA 3MM25 EXPN 3MM25EXPA 3S037 EXPN 3S037

EXPT 3037

EXPM 3

EXPA 3M037 EXPN 3M037EXPA 3SM32 EXPN 3SM32

EXPT 3M32EXPA 3MM32 EXPN 3MM32

4

EXPA 4S037 EXPN 4S037EXPT 3037EXPA 4M037 EXPN 4M037

EXPA 4L037 EXPN 4L037EXPA 4SM32 EXPN 4SM32

EXPT 3M32EXPA 4MM32 EXPN 4MM32EXPA 4LM32 EXPN 4LM32EXPA 4S047 EXPN 4S047

EXPT 4047

EXPM 4

EXPA 4M047 EXPN 4M047EXPA 4L047 EXPN 4L047EXPA 4SM40 EXPN 4SM40

EXPT 4M40EXPA 4MM40 EXPN 4MM40EXPA 4LM40 EXPN 4LM40

5

EXPA 5S047 EXPN 5S047EXPT 4047EXPA 5M047 EXPN 5M047

EXPA 5L047 EXPN 5L047EXPA 5SM40 EXPN 5SM40

EXPT 4M40EXPA 5MM40 EXPN 5MM40EXPA 5LM40 EXPN 5LM40EXPA 5S057 EXPN 5S057

EXPT 5057

EXPM 5

EXPA 5M057 EXPN 5M057EXPA 5L057 EXPN 5L057EXPA 5SM50 EXPN 5SM50

EXPT 5M50EXPA 5MM50 EXPN 5MM50EXPA 5LM50 EXPN 5LM50

6

EXPA 6S067 EXPN 6S067EXPT 6067

EXPM 6

EXPA 6M067 EXPN 6M067EXPA 6L067 EXPN 6L067EXPA 6SM50 EXPN 6SM50

EXPT 5M50EXPA 6MM50 EXPN 6MM50EXPA 6LM50 EXPN 6LM50

CERTIFICATIONSEXPA / EXPN Series - IEC 79.1

Area classification Certifying entity Certificate Number

Ex d IIC / Ex e II INTI CITEI INTI-CITEI 2004D217 + Extens. 2004D217/1

Ex d IIC / Ex e II INTI CITEI 2002D131 + Extens. 2002D131/2

EXPA / EXPN Series - IEC DIP 21

Area classification Certifying entity Certificate Number Observations

Ex DIP A 21 INTI CITEI INTI-CITEI 2005DIP258 IP 65