1 Scope
This standard specifies common technical conditions of hydraulic system for mechanical equipments used in aspects of metallurgy, rolling, heavy forging and so on (hereinafter referred to as mechanical equipments). As for hydraulic systems (hereinafter referred to as system) for mechanical equipments above, corresponding technical requirements in design, fabrication and acceptance may be materialized and supplemented according to the principles of this standard in combination of the relevant standards.
This standard is applicable to mechanical equipments hydraulic system whose nominal pressure is not larger than 31.5 MPa.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For the dated references, the subsequent amendments to (excluding amending error in the text), 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 edition of these documents is applicable. For the undated references, the latest edition of the normative document is applicable to this standard.
