BS ISO 20766-6:2019

What is ISO 20766‑6- Pressure relief valves about?  

ISO 20766‑6 is the sixth part of the multi-series standard that specifies general requirements and definitions of liquefied petroleum gas fuel components, intended for use on the types of motor vehicles as defined in ISO 3833. It also provides general design principles and specifies requirements for instructions and marking. 

ISO 20766‑6 is applicable to vehicles (mono-fuel, bi-fuel or dual-fuel applications) using gaseous fuels in accordance with ISO 9162.  

Note- 

ISO 20766‑6 is not applicable to the following: 

• Fuel containers 
• Stationary gas engines 
• Container mounting hardware 
• Electronic fuel management 
• Refueling receptacles. 

Who is ISO 20766‑6- Pressure relief valves for? 

ISO 20766‑6 on liquefied petroleum gas (LPG) fuel systems components - pressure relief valves is applicable to: 

• Manufacturers of gaseous fuel vehicles 
• LPG Suppliers  
• Pressure relieve valves manufacturers  
• Test conductors of PRV 

Why should you use ISO 20766‑6- Pressure relief valves? 

ISO 207666 provides PRV manufacturers with tools to improve their product by outlining tests that protect the device from leakage, continued operations and hydraulic strength. 

ISO 207666 gives marking guidelines so that the users and manufacturer can trace the product.