Notice

Transporting supressor valve head assemblies

Adds the construction and transportation of suppressor valve head assemblies for explosion protection systems to regulations (exception notice 30).

• From: Department for Transport
• Published: 2 July 2015
• Last updated: 10 September 2025 — See all updates

Documents

Notice number 30 (revision 3)

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Notice number 30 (revision 3)

PDF, 523 KB, 11 pages

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Details

This exception notice recognises the construction and transportation of suppressor valve head assemblies used in explosion protection systems.

This exception notice will be withdrawn on 7 November 2025. You must make sure you comply with the applicable edition of standard ISO 17871.

The Department for Transport can issue exception notices to the dangerous goods regulations, which include the recognition of certain standards.

Published 2 July 2015

Last updated 10 September 2025 + show all updates

1. 10 September 2025

   This exception notice will be withdrawn on 7 November 2025.

2. 8 February 2019

   Date alteration from 31st December 2018 to until it is revised or withdrawn.

3. 17 January 2017

   First revision of carriage of dangerous goods exception notice 30.

4. 2 July 2015

   First published.