475 Tamperproof Stopping Plug

General Information

The 475 is fitted from the outside of the enclosure.
M16 to M75 as standard.
Other thread options available on request, including BSPP, PG, NPT and ET.
Metric entry threads are 1.5mm pitch as standard.

Materials & Finishes

Manufactured in Brass, Nickel Plated Brass, Steel, Nickel Plated Steel and Stainless Steel. (Aluminium for Group II use only).

Technical Data

  1. Flameproof Exd I Mb, Exd IIC Gb, Extb IIIC Db, ex logo IM2/II 2GD.
  2. Certificate No's
    Baseefa10ATEX0262X and IECEx BAS 10.0120X.
  3. Suitable for use in:
    Zone 1, Zone 2, Zone 21, Zone 22 and mining applications.
  4. Construction and Test Standards:
    IEC/EN 60079-0, IEC/EN 60079-1 and IEC/EN 60079-31.
  5. Ingress Protection:
    IP66.
  6. Operating Temperature Range:
    -60°C to +160°C.
  7. Group I, II and III.
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