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Cable Gland Fittings For hazardous duty Locations

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Cable Gland / Cord Grips / Cable Glands for use in Hazardous Locations
Nickel Plated Brass - w/ Romex® Flat Cable Insert -
M20 x 1.5 Thread

CE UL iec-ex
German Lloyd PCT RoHS Approval Deca BDE Approval
Atexex II 2G 1D
Fitting is UL listed, not including FLAKA (ROMEX®) Insert.*
Romex Nickel Plated Brass Cable Gland Fitting
 Sample Picture, Actual part may differ.
Slot Size 1:  .47 x .28" (12 x 7 mm)
Part Number

Hummel HSK-M-FLAKA-Ex Reference
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Slot Size 2:  .55 x .24" (14 x 6 mm)
Part Number

Hummel HSK-M-FLAKA-Ex Reference
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Body Length (B) .94" (24 mm)
Thread Length (D) .24" (6 mm)
Clearance Hole .79" (20 mm)
Wrench Flat (F1/F) .94" (24 mm)
Romex® is a registered trademark of Southwire Company.
Technical Drawing Romex Flat Cable Inserts
View this Cable Gland for Non-Ex Applications
M20 Standard Nickel Romex® Fittings
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Accessories: Nickel Plated Brass Locknuts
M20 x 1.5 Threads

Nickel Plated Brass Locking Nut
Part Number

Hummel GM-Ms Reference
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Height (G) .12" (3 mm)
Wrench Flat (H) .91" (23 mm)
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This Nickel Plated Brass Cable Gland will provide your application with a product made of exceptional quality.

The self locking ACME thread on the dome top ensures that the overlapping splines apply a concentric seal, thereby preventing the form seal from being pulled out of the fitting & ensuring pull-out protection of your cable without damaging it.

Cable glands of the HSK-EMC-Ex- series have been designed for standard applications in hazardous locations type "e" according to EN 60079-0 and EN 60079-7.

  • Machine, apparatus and plant equipment
  • Measuring control and feedback systems
  • Control cabinets
  • Railroad cars and vehicles
  • Industrial installations
  • Marine
  • Off-shore

and in all installations where excellent performance, fire resistance and no twisting or torquing of the cable are critical.

  • ATEX 95 equipment directive 94/9/EC, Equipment and protective systems intended
    for use in potentially explosive atmospheres.
  • ATEX gets its name from the French title of the 94/9/EC directive:
    Appareils destinés à être utilisés en ATmosphères EXplosibles
  • The regulations apply to all equipment intended for use in explosive atmospheres,
    electrical or mechanical, including protective systems. There are two categories of
    equipment I for coal mining and II for industrial applications.
  • Once certified, the equipment is marked by the 'CE' (meaning it complies with ATEX
    and all other relevant directives) and 'Ex' symbol to identify it as approved under the
    ATEX directive.
  • Ex-d = Flameproof
  • Ex-e = Increased Safety
Pressure Rating:
German Lloyd Russian GOST IECEx
EX, ATEX || 2G 1D

    UL E103997
    VDE 71339
    CAGE 0UE11
    PATENT 4145075

RoHS & Deca BDE
70 PSIG (5 BAR) NEMA 4x & 6 (Submersible) - IP 65 / IP 69 K

We recommend a customer performing his/her own testing if IP 68 wants to be achieved.
  • Material: Nickel Plated Brass
  • Clamping Insert: Polyamide
  • Seal: Elastomer
  • O-Ring: Buna-N
Operating Temperature:
- 20°C to 95°C (- 4°F to 203°F)
Also available
  • Stainless Steel available upon request
* Additional UL Information

  • UL pertains to the standard body, not including FLAKA (ROMEX®) Insert.
  • Our FLAKA (for Romex® style cable) HSK-K 1/2/16 (1/2"-E) is UL listed. - UL file # E168975.
  • To meet UL, only Romex® style cable (flat top and bottom) can be used with this style Cable Gland (no Zip Cable, no Ribbon cable, etc.)
  • Hummel Multi-hole solutions meet IP68 / 10 bar as long as the conductor outer diameter is not smaller than 20% of the hole diameter, or max 1 mm (.04") each. We recommend a customer performing his/her own testing.
  • Sizes 3/8"NPT, M12, M16, PG7, PG9, and PG11 and all Multi-Hole Fittings in Nylon and Nickel Plated Brass have UR (ONLY)

  • ROMEX® is a federally registered trademark of Southwire Company.
Cable Glands / Cord Grips / Cable Gland Accessories Features Technical Information Other Accessories

Hi-Tech Controls, Inc.provides cable products at competitive prices with exemplary customer service. Inventory in Excess of $25 Million allows the immediate shipment of almost all standard cable types and sizes.

Items For Quote

Nickel Ex Non-Armored
Installation & Mounting Instructions

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Nickel Romex

Thread Sizes:
PG Threads
PG 16
PG 21
PG 29
PG 36
PG 42
PG 48
NPT Threads
3/4" NPT
1" NPT
Metric Threads
M20 x 1.5
M25 x 1.5
M32 x 1.5
M40 x 1.5
M50 x 1.5
M63 x 1.5

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