Hawke 501/421 Universal M20 Ex d Barrier Gland Brass
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Product Description
Hawke International 501-421-UNIV-M20 Hawke 501/421 Universal Barrier gland, the original Ex d barrier gland. Compound-sealed around individual conductors for flameproof integrity. Used in fixed and flexible installations for power, control, signal and data across industrial, marine and building services applications.
Technical Specifications
- Material
- Brass, nickel-plated
- Standard
- IEC/EN 60079-1
- Temperature range
- -60°C to +80°C
- IP rating
- IP66/IP68
- Approval
- ATEX II 2G Ex db IIC Gb, II 2G Ex eb IIC Gb, IECEx, CE, DNV, ABS
- Standards
- IECEx, ATEX Directive 2014/34/EU
- Approvals
- DNV, ABS, CE, ATEX
- HS code
- 8536.90
- Thread size
- M20
Standards & Compliance
- Standard
- IEC/EN 60079-1
- Material
- Brass, nickel-plated
- Temperature Range
- -60°C to +80°C
- IP Rating
- IP66/IP68
- Classification / Approval
- ATEX II 2G Ex db IIC Gb, II 2G Ex eb IIC Gb, IECEx, CE, DNV, ABS
- HS Code
- 8536.90
Compatibility & Fitment
Use in Ex d enclosures. Requires compound fill at installation.
Product Documentation
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Catalogue entry last verified: 2026-08-13. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 501-421-UNIV-M20?
- 501-421-UNIV-M20 can be ordered from cballast.com as a Hawke International catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Hawke International product?
- The manufacturer part number is 501-421-UNIV-M20.
- What is the HS code for 501-421-UNIV-M20?
- The customs tariff (HS) code for 501-421-UNIV-M20 is 8536.90.
- Who manufactures 501-421-UNIV-M20?
- 501-421-UNIV-M20 is a Hawke International product in the Hazardous Area Equipment range.
- Is a datasheet available for 501-421-UNIV-M20?
- Yes — the 501-421-UNIV-M20 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 501-421-UNIV-M20?
- The minimum order quantity is 1.
- Is 501-421-UNIV-M20 available?
- Yes — 501-421-UNIV-M20 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).