ISO INTERNATIONAL STANDARD 9158 First edition 1988-03-15 INTERNATIONALORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATION MEXKAYHAPOAHAAOPrAHM3ALMNO CTAHAAPTM3ALMM Road vehicles - Nozzle spouts for unleaded gasoline Vehicules routiers -Pistolets de remplissage pouressence sans plomb Refercnccnumber ISO 9158 : 0000 (E) Foreword iSo (the International Organization for Standardization) is a worldwide federation of national standards bodies (Iso member bodies). The work of preparing International Standards is normally carried out through Iso technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, govern- mental and non-governmental, in liaison with iso, also take part in the work. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the Iso Council. They are approved in accordance with ISo procedures requiring at least 75 % approval by the member bodies voting. International Standard ISO 9158 was prepared by Technical Committee ISO/TC 22, Roadvehicles. Users should note that all International Standards undergo revision from time to time and that any reference made herein to any other International Standard implies its latest edition, unless otherwise stated. InternationalOrganizationforStandardization,1988 Printed in Switzerland INTERNATIONALSTANDARD ISO9158:1988(E) Road vehicles Nozzle spouts for unleaded gasoline Scopeandfieldof application 3 Requirements This International Standard specifies the dimensions of nozzle The nozzle spout shall conform to the dimensions given in the spouts on pumps for refuelling road vehicles, and their filling figure. The shape is at the manufacturer's discretion. rates. It applies to nozzle spouts for unleaded gasoline for road The flow rate, qy, for unleaded gasoline shall be vehicles. Qv < 50 I/min. Reference The figure shows a nozzle spout with a spring for safe hooking ISO4130， Road vehicles Three-dimensional reference in the tank filler opening. The dimensions apply also to nozzle systems and fiducial marks -Definitions. spouts with cams or depressions for safe hooking. 1