标准编号：ISO 12251:2011
中文名称：柴油发动机 安装夹具的CR燃料喷射器 安装尺寸
英文名称：Diesel engines — Clamp mounted CR fuel injectors — Mounting dimensions
发布日期：2011-02
标准范围
This International Standard specifies dimensional requirements for clamp mounted CR fuel injectors and theircorresponding cylinder head features in diesel engines.According to the injector nozzle capnut, the clamp mounted CR fuel injectors can be divided into two types:a) Type A, where the nozzle capnut is straight (see Figure 4).b) Type B, where the nozzle capnut is stepped (see Figure 5).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 CRfuel injectors.
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