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1 Scope
This standard specifies strength calculation method, structure, material requirements and material permissible stress of pressure parts for watertube boiler; and also offers verification method for determining maximum permissible gauge pressure of parts.
This standard is applicable to pressure parts, whose rated pressure shall be no less than 0.10 MPa1), of fixed type water pipe steam boiler and fixed type water pipe hot water boiler hot-water boiler, such as: boiler barrel body, header tank body, pipes, pipes in range of boiler, convex head, flat-end cover, cover board and abnormal parts.
2 Normative reference
The following documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding corrigenda contents), or revisions of, any of these publications do not apply. however, all concerned sides make terms according to this standard are encouraged to research whether latest edition of these documents are available. For undated references, the latest edition of the normative document referred to applies. |
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