1 Scope
This standard specifies the technical requirements, test methods, inspection rules as well as marking, packaging and storage of spheroidal graphite iron castings of general purpose valves.
This standard is applicable to general purpose valves, flanges, pipe fittings and other compressive spheroidal graphite iron castings (hereinafter referred to as castings).
2 Normative References
The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments (excluding corrigendum contents) to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest edition of the normative document referred to applies.
Contents
1 Scope
2 Normative References
3 Technical Requirements
4 Test Methods
5 Inspection Rules
6 Marking, Packaging and Storage
1 Scope
This standard specifies the technical requirements, test methods, inspection rules as well as marking, packaging and storage of spheroidal graphite iron castings of general purpose valves.
This standard is applicable to general purpose valves, flanges, pipe fittings and other compressive spheroidal graphite iron castings (hereinafter referred to as castings).
2 Normative References
The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments (excluding corrigendum contents) to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest edition of the normative document referred to applies.
Contents of GB/T 12227-2005
Contents
1 Scope
2 Normative References
3 Technical Requirements
4 Test Methods
5 Inspection Rules
6 Marking, Packaging and Storage