BS ISO 12251:2017
Current
The latest, up-to-date edition.
Diesel engines. Clamp mounted CR fuel injectors. Mounting dimensions
Hardcopy , PDF
English
13-10-2017
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Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 General requirements
5 Dimensions and tolerances
6 Other specifications
7 Designation
Bibliography
Describes dimensional requirements for clamp mounted CR fuel injectors and their corresponding cylinder head features in diesel engines.
| Committee |
MCE/22
|
| DevelopmentNote |
Supersedes 09/30188083 DC. (03/2011) Supersedes 16/30333974 DC. (10/2017)
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This document specifies dimensional requirements for clamp mounted CR fuel injectors and their corresponding cylinder head features in diesel engines. According to the injector nozzle capnut, the clamp mounted CR fuel injectors can be divided into two types: TypeA, where the nozzle capnut is straight (see Figure4); TypeB, where the nozzle capnut is stepped (see Figure5). Each clamp mounted CR fuel injector type is subdivided by a series of different sizes. NOTE This differentiation corresponds to the relationship between the two guide diameters of the clamp mounted CR fuel injectors.
| Standards | Relationship |
| ISO 12251:2017 | Identical |
| ISO 1302:2002 | Geometrical Product Specifications (GPS) Indication of surface texture in technical product documentation |
| ISO 13296:2016 | Diesel engines — High-pressure fuel injection pipe assemblies — General requirements and dimensions |
| ISO 2974:2016 | Diesel engines 60 female cones for high-pressure fuel injection components |
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