HG/T 4304-2012 in English

本标准规定了耐蚀聚烯烃塑料衬里钢制管道与设备的术语和定义，分类及适用条件，技术要求，试验方法及检验规则和标志、包装、运输、贮存等要求。
本标准适用于公称压力PN-0.098MPa～1.6MPa，使用温度-20℃～100℃，公称通径DN25mm～DN8000mm的PO滚塑衬里的钢制管道与设备。

Scope

This standard specifies the terms and definitions, classification and applicable conditions, technical requirements, test methods and inspection rules and marking, packaging, transportation, storage and other requirements for corrosion-resistant polyolefin (Polyolefine, hereinafter referred to as PO) plastic-lined steel pipes and equipment. . This standard is applicable to PO rotomolded-lined steel (hereinafter referred to as C.S) pipelines and equipment with nominal pressure PN - 0.098 MPa~1.6 MPa, operating temperature -20℃~100℃, and nominal diameter DN25 mm~DN8 000 mm. .