標準號：ISO 21049-2004
中文標準名稱：泵.離心和旋轉泵用軸密封系統(tǒng)
英文標準名稱：Pumps - Shaft sealing systems for centrifugal and rotary pumps
標準類型：J71
發(fā)布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：J71
國際標準分類號：21.140;23.080
適用范圍：This International Standard specifies requirements and gives recommendations for sealing systems forcentrifugal and rotary pumps used in the petroleum, natural gas and chemical industries. It is applicablemainly for hazardous, flammable and/or toxic services where a greater degree of reliability is required for theimprovement of equipment availability and the reduction of both emissions to the atmosphere and life-cyclesealing 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 ofexisting equipment. A classification system for the seal configurations covered by this International Standard into categories, types, arrangements and orientations is provided.