BS EN ISO 21049-2005 泵.离心泵和旋转泵用轴封系统

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标准号:BS EN ISO 21049-2005
中文标准名称:泵.离心泵和旋转泵用轴封系统
英文标准名称:Pumps - Shaft sealing systems for centrifugal and rotary pumps
标准类型:J71
发布日期:2005/2/10 12:00:00
实施日期:2005/2/10 12:00:00
中国标准分类号:J71
国际标准分类号:21.140;23.080
适用范围:This International Standard specifies requirements and gives recommendations for sealing systems for centrifugal and rotary pumps used in the petroleum, natural gas and chemical industries. It is applicable mainly for hazardous, flammable and/or toxic services where a greater degree of reliability is required for the improvement of equipment availability and the reduction of both emissions to the atmosphere and life-cycle sealing costs. It covers seals for pump shaft diameters from 20 mm (0,75 in) to 110 mm (4,3 in). This International Standard is also applicable to seal spare parts and can be referred to for the upgrading of existing equipment. A classification system for the seal configurations covered by this International Standard into categories, types, arrangements and orientations is provided.

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