Petrol filling stations - Part 3: Safety requirements for construction and performance of shear valves
This document specifies safety and environmental requirements for the construction and performance of shear valves to be fitted to metering pumps, dispensers, and/ or satellite delivery systems installed at petrol filling stations and used to dispense liquid fuels into the tanks of motor vehicles, boats and light aircraft and into portable containers at flow rates up to 200 l×min-1.It pays particular attention to mechanical and hydraulic characteristics.NOTE Liquefied petroleum gas (LPG) is not a liquid in the sense of this document.
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