AtexBox

Armoured

Armoured ATEX cable glands (HARDO HCG2) are double-compression metal glands for circular SWA/SWB armoured cables. They seal the inner and outer sheath and clamp the armour. Certified ATEX/IECEx for Zones 1, 2, 21 and 22 — Ex db / Ex eb / Ex tb, IP66/IP68, −55°C … +160°C, metric M20–M90 or NPT.

To select: armour type (SWA/SWB) · entry thread (metric / NPT) · under-armour Ø A + overall Ø B · material · Ex marking and certificates. Not for unarmoured cable — use Non-armoured (HCG1).

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Product selection

Product selection

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Material
Cable type
Non-armouredArmoured
Thread
Thread size
Metric
NPT
Overall Ø
mm
Under sheet Ø
mm

Glands whose under-sheet (bedding) range covers this diameter.

How to use the selection filters

The left-hand panel (on phones: the Selection button) narrows the HARDO cable-gland catalogue. Set parameters in engineering order — from cable type to diameter.

1 Cable type

Non-armoured → HCG1 series. Armoured (SWA/SWB) → HCG2. On armoured/non-armoured child categories this filter is already fixed.

2 Thread

Choose metric or NPT to match the enclosure entry. Do not mix systems — thread sizes follow the selected family.

3 Size & material

Set the thread size (e.g. M20, M25…) and material: brass, nickel-plated brass or stainless steel 316L. Multiple values are allowed — the grid shows products that match.

4 Cable diameter Ø

Overall Ø — outer cable diameter. For armoured glands also use Under sheet Ø. Only glands whose sealing range covers the value remain.

  1. Set cable type (or open the armoured / non-armoured subcategory).
  2. Match thread family to the enclosure entry (metric / NPT). M16 entry: HAD adaptor + M20 gland.
  3. Choose thread size and gland material.
  4. Enter cable OD (and under-sheet OD for HCG2 when needed).
  5. Click Find matching glands — the product grid updates.
  6. Open the SKU card and verify sealing code, Ex marking and documents.

  • Above the grid, Selected specification chips appear — × removes one parameter.
  • Clear in the panel resets the whole selection.
  • On mobile the filter panel opens as a Bootstrap offcanvas (Selection button).
  • The apply button shows how many glands match before you confirm.

  • They do not replace checking the ATEX/IECEx certificate and installation instruction.
  • They do not auto-add an HAD adaptor — for M16 add it separately.
  • Final selection must be made by a competent person with the full installation documentation.

HCG2 — cable ranges (armoured)

Table for armoured HCG2 glands. The CODE column shows nickel-plated brass (N) examples; the same Ø ranges apply to brass (B) and stainless 316L (S) for the same sealing code.

A Under-armour Ø

Cable diameter under the armour (bedding), min–max [mm].

B Overall Ø

Outer cable diameter (overall / outer sheath), min–max [mm].

E Thread length

Thread length E [mm] — entry length into the enclosure (metric or NPT).

How to read: under-armour Ø → column A; overall Ø → column B. Both must match the same row.

HCG2 — Metric (A = under armour, B = overall)
CODE METRIC E [mm] A — under armour Ø [mm] B — overall Ø [mm]
min max min max
HCG2N1M20XSM20173.28.56.213.1
HCG2N1M20SM20176.211.69.615.5
HCG2N1M20M20178.013.912.520.9
HCG2N2M25SM251711.219.614.021.5
HCG2N2M25M251711.219.618.325.6
HCG2N3M32M321717.126.023.733.4
HCG2N4M40M401722.131.628.039.5
HCG2N5M50SM501729.537.535.246.0
HCG2N5M50M501735.643.140.552.4
HCG2N6M63SM631740.148.745.658.5
HCG2N6M63M631747.255.254.664.5
HCG2N7M75SM751752.861.259.070.4
HCG2N7M75M751759.167.266.776.3
HCG2N9M90M902466.679.276.287.2
HCG2 — NPT (A = under armour, B = overall)
CODE NPT E [mm] A — under armour Ø [mm] B — overall Ø [mm]
min max min max
HCG2N1N20XS3/8″203.28.56.213.1
HCG2N1N20S1/2″206.211.69.615.5
HCG2N1N201/2″208.013.912.520.9
HCG2N2N25S3/4″2111.219.614.021.5
HCG2N2N253/4″2111.219.618.325.6
HCG2N3N321″2617.126.023.733.4
HCG2N4N401 1/4″2622.131.628.039.5
HCG2N5N50S1 1/2″2629.537.535.246.0
HCG2N5N502″2735.643.140.552.4
HCG2N6N63S2″2740.148.745.658.5
HCG2N6N632 1/2″4047.255.254.664.5
HCG2N7N75S2 1/2″4052.861.259.070.4
HCG2N7N753″4259.167.266.776.3
HCG2N9N903 1/2″4466.679.276.287.2

Ø ranges from HARDO pricelist / product meta. Thread length E and NPT designations from the HCG2 data sheet. Filter Under sheet Ø = column A; Overall Ø = column B.