LPG systems for appliances - C5C

Standards for appliances using liquefied petroleum gas (LPG) systems as a fuel source.


Download NSCV Sub-section C5C - LPG systems for appliances PDF377.74 KB


Full title 

National Standard for Commercial Vessels 

Part C - Design and construction 

Section 5 - Engineering 

Sub-section 5C - LPG systems for appliances

Current edition

Edition 1

Commenced 1 April 2005


NSCV C5C provides requirements for the design, manufacture, installation and operation of liquefied petroleum gas (LPG) systems on vessels that fuel appliances. 

This includes, but is not limited to: 

  • pressure regulators 
  • LPG system tests 
  • gas detection systems 

This subsection applies to: 

  • appliances using liquefied petroleum gas (LPG) 

It does not apply to the LPG systems for: 

  • main or auxiliary combustion engines  
  • portable, self-contained appliances directly connected to the LPG cylinder 
SupersededNo previous editions
Assistance and tools 

Guidance notices and fact sheets for domestic commercial vessel owners and operators

Uniform Shipping Laws code


Policy and Regulation Division

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Last updated: 1 August 2023