BS AU 50-3.7 provides a set of guidelines for the selection and care of tyre inflation in passenger cars including caravans and light trailers.
When selecting a valve for a wheel and tyre assembly it is important to ensure that the correct choice is made.
Basic factors which influence this choice are:
The basic choice is between tube type and tubeless tyres. This would generally be decided by the vehicle design and performance requirements and the valve type is therefore predetermined.
BS AU 50-3.7 on the care of tyre inflation valves is useful for:
Tyre valves help to hold the load and air pressure of the vehicle that forms in between the rim and casing. It helps to hold the car together.
BS AU 50-3.7 standard helps the vehicle manufacturers with recommendations on the initial steps to be taken in selecting valves for passenger car wheels (including caravans and light trailers).
BS AU 50-3. standard consists of guidelines that help the user, or buyers of passenger cars to take care of the tyre inflation valves and benefits the manufacturers of tyres to manufacture superior quality of valves.