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476 Adaptors and Reducers

The Hawke 476 metallic adaptor and reducer range is designed to increase or reduce entry thread sizes when mounted to a hazardous area enclosure. Dual Certified ATEX/IECEx (along with many more) for use in Flameproof (Exd), Increased Safety (Exe) and Dust (Ext) protection concepts. Also approved for use in Group I Mining Applications, and NEC Class I Div I Explosion proof.
  • Metallic construction
  • Certified Exd, Exe & Ext
  • Metric and NPT thread options

The 476 is manufactured in Brass, Nickel Plated Brass, Steel, Nickel Plated Steel and Stainless Steel. (Aluminium for Group II use only).

Product Details

Ambient Temp. Range
  • Standard product without O-Ring Fitted: -60°C to +160 °C
  • Optional Nitrile O-Ring Fitted: -60°C to +80 °C
  • Optional Silicon O-Ring Fitted: -60°C to +160 °C
  • Hazardous Areas Zone 1, Zone 21, Zone 2, Zone 22
  • Mining Applications
Material Manufactured in Brass (Standard), Nickel Plated Brass or 316L Stainless Steel
Operating Temperature Range Celcius -60°C to +200°C
Series Fittings for Hazardous Areas


Technical Datasheet