Explosion Proof Brass Gland | EExd 501/453 20MM (Hawke)
Explosion Proof Brass Gland | EExd 501/453 20MM (Hawke)
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You're referring to an explosion-proof brass cable gland from Hawke, with the marking EExd 501/453 20MM. Here's a detailed breakdown:
Key Specifications & Meaning
Explosion-Proof Certification (EExd)
EExd indicates compliance with the European ATEX directive for explosion protection (now replaced by IECEx standards in many regions).
"d" = Flameproof (Exd) enclosure, meaning it contains any internal explosion and prevents ignition of external hazardous atmospheres.
501/453
Likely an internal Hawke part number or certification reference.
May relate to specific approvals (e.g., ATEX, IECEx, UL).
20MM
Thread size (e.g., M20 x 1.5 metric thread, common for cable glands).
Could also refer to the cable entry diameter (suitable for cables ~8–14mm).
Material: Brass
Corrosion-resistant, non-sparking, and durable for hazardous areas (Zones 1, 2 / Division 1, 2).
Typical Applications
Oil & Gas (rigs, refineries)
Chemical Plants (flammable vapors)
Mining (combustible dust)
Marine & Offshore (saltwater-resistant)
Standards & Approvals (Likely)
ATEX (2014/34/EU) – Zone 1/2 (gas) or Zone 21/22 (dust).
IECEx (International) – Ex d IIC T6 (gas) / Ex tD A21 (dust).
UL/cUL (North America) – Class I, II, III; Div 1/2.
How to Confirm Exact Model?
Check Hawke’s Catalog (e.g., Hawke Exd Gland Series).
Look for Markings on the gland itself (e.g., IECEx, ATEX, UL codes).
Thread Verification – Measure pitch (M20 vs. PG20 vs. NPT ¾").
If you need the exact datasheet, let me know—I can help track it down!https://store.unigulfsupply.com/product/explosion-proof-brass-gland/
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