ISO/TR 7470-1988
气瓶阀出气口 标准或实际使用的一览表

Valve outlets for gas cylinders; list of provisions which are either standardized or in use

ISO/TR 7470-1988 发布历史

Specifies details for types of threads and thread sizes. Tabulates nominal diameters from 9,73 mm up to and including 30 mm together with the corresponding pitches and designations, refers to the national standards of concern (table 1). Table 2 contains valve outlets for toxic gases; valve outlets for flammable gases are given in table 3. Table 4 gives valve outlets for oxidizing gases, and table 5 includes valve outlets for inert gases.

ISO/TR 7470-1988由国际标准化组织 IX-ISO 发布于 1988-12，并于 1988-12-15 实施。

ISO/TR 7470-1988 在中国标准分类中归属于: J16 阀门,J74 压力容器，在国际标准分类中归属于: 23.020.30 压力容器、气瓶。

ISO/TR 7470-1988的历代版本如下：

• 1988年12月 ISO/TR 7470-1988 气瓶阀出气口 标准或实际使用的一览表

标准号

ISO/TR 7470-1988

发布日期

1988年12月

实施日期

1988年12月15日

废止日期

无

中国标准分类号

J16;J74

国际标准分类号

23.020.30

发布单位

国际标准化组织

被代替标准

ISO/TR 7470-1978

适用范围

Specifies details for types of threads and thread sizes. Tabulates nominal diameters from 9,73 mm up to and including 30 mm together with the corresponding pitches and designations, refers to the national standards of concern (table 1). Table 2 contains valve outlets for toxic gases; valve outlets for flammable gases are given in table 3. Table 4 gives valve outlets for oxidizing gases, and table 5 includes valve outlets for inert gases.

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