标准号:BS EN ISO 21809-2-2008
中文标准名称:石油和天然气工业.用于管道运输系统的被掩埋于地下或淹没于水下的管道外部覆层.熔接环氧涂层
英文标准名称:Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Fusion-bonded epoxy coatings
标准类型:E98
发布日期:2008/1/31 12:00:00
实施日期:2008/1/31 12:00:00
中国标准分类号:E98
国际标准分类号:75.200
适用范围:This part of ISO 21809 specifies the requirements for qualification, application, testing and handling of materials for plant application of single-layer fusion-bonded epoxy (FBE) coatings applied externally for the corrosion protection of bare steel pipe for use in pipeline transportation systems for the petroleum and natural gas industries as defined in ISO 13623. High-temperature coatings with a glass transition of above 120 °C or FBE primer coatings for three- or multilayer polyethylene or polypropylene coatings are not covered by this part of ISO 21809. NOTE Pipes coated in accordance with this part of ISO 21809 are considered suitable for additional protection by means of cathodic protection.