PD ISO/TR 29846:2008

PD ISO/TR 29846:2008

Tyres, valves and tubes. kPa/psi equivalencies for inflation pressures

Status : Current   Published : June 2008



Generally, standards for tyre pressures use SI units, with tyre inflation pressures referenced in units of either kilopascals (kPa) or bar1). However, there are certain regions and countries around the world where customary or Imperial units are still used, with tyre inflation pressures referenced in pounds per square inch (psi). This Technical Report recognizes the need in those regions to establish standard equivalencies between the different units of tyre inflation pressure in the interests of promoting standardization.

PD ISO/TR 29846:2008 contains assigned kPa values for whole psi values in the range of 1 psi to 152 psi, for inflation pressures for use in certain regions of the world that require the use of psi for inflation pressures.

These equivalencies are intended for future applications and do not apply to past practices. The equivalencies given have been established for the tyre industry, but may be applicable for other applications, as appropriate.

Standard NumberPD ISO/TR 29846:2008
TitleTyres, valves and tubes. kPa/psi equivalencies for inflation pressures
Publication Date30 June 2008
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
International RelationshipsISO/TR 29846:2008
DescriptorsTyres, Pneumatic tyres, Valves, Road vehicle components, Pressure, Inflation pressure, Units of measurement, Vehicle components
Title in FrenchPneus, valves et chambres à air. Équivalences kPa/psi de pression de gonflage
ISBN978 0 580 58308 7
File Size329.3 KB

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