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By Hawke 
By Hawke
Flameproof Exd /Increased Safety Exe / Dual Certified ATEX - IECEx In-Line Swivel Union
  • M16 to M75 as standard.
  • Other parallel male thread options available on request, including BSPP, PG, ET and NPSM.
  • NPT female threads can also be supplied in sizes ranging from ½" to 3".
  • Integral Silicone O Ring seal.

The 491 is manufactured in Brass, Nickel Plated Brass, Steel, Nickel Plated Steel and Stainless Steel.

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