ISO 20766-16 pdf download Road vehicles — Liquefied petroleum gas (LPG) fuel system components — Part 16: Injectors and gas mixing device/fuel rail
This document specifies general requirements for the injectors and gas mixing device/fuel rail,components of liquefied petroleum gas fuel, intended for use on the types of motor vehicles as definedin IlS0 3833.It also provides general design principles and specifies requirements for instructions andmarking.
This document is applicable to vehicles (mono-fuel, bi-fuel or dual-fuel applications) using gaseous fuelsin accordance with IS0 9162.It is not applicable to the following:
a) fuel containers;
b) stationary gas engines;
c)container mounting hardware;d)electronic fuel management;e) refuelling receptacles.
lt is recognized that miscellaneous components not specifically addressed herein can be examinedfor compliance with the criteria of any applicable part of the lSo 20766 series, including testing to theappropriate functional tests.
All references to pressure in this document are considered gauge pressures unless otherwise specified.This document applies to devices which have a service pressure in the range of 110kPa (butane rich at20 C) and 840kPa (propane at 20 °C), hereinafter referred to in this document. Other service pressurescan be accommodated by adjusting the pressure by the appropriate factor (ratio).
The following documents are referred to in the text in such a way that some or all of their contentconstitutes requirements of this document. For dated references, only the edition cited applies. Forundated references, the latest edition of the referenced document(including any amendments) applies.ISo 20766-1, Road vehicles —Liquefied petroleum gas (LPG) fuel systems components —Part 1: Generalrequirements and definitions
IS0 20766-2:2018,Road vehicles — Liquefied petroleum gas(LPG) fuel systems components — Part 2:Performance and general test methods
3Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 20766-1 apply.
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Markingofthe component shall provide sufficient information to allow the followingto be traced:
司the manufacturer’soragent’s name,rademarkorsymbol;
6 themodeldesignation (part number);
日the working pressure orworking pressure and temperature range; and
d) thedirection oflow when necessary forcorrectinstallation).
The followingadditional markings arerecommended:
the type offuel;
the electricalratings(if applicable);
the symbolofthecertification agency;
the type approvalnumber;
the serial numberor date code; and
a reference to this document.
Thisinformationcan be provided by a suitable identification code on atleast onepart of the component
when it consists of more thanpnepart
5 Construction and assembly
Theinjectorsand gas mixingdevice/fuelrailshallcomply with theapplicableprovisionsof ISO20766-1
and ISO 20766-2, and with the tests specified in Glause6.
The tests required to be carried out are indicated in Table 1.