標準號：IEC 60534-3-2-2001
中文標準名稱：工業過程控制閥 第3-2部分：尺寸 旋轉控制閥（除蝶閥外）的端面間距尺寸
英文標準名稱：Industrial-process control valves - Part 3-2: Dimensions; Face-to-face dimensions for rotary control valves except butterfly valves
標準類型：J20;N16
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：J20;N16
國際標準分類號：23.060.40
適用范圍：This part of IEC 60534 applies to the following control valves:- types: segmented ball and eccentric rotary control valves with or without flanges;- nominal sizes: DN20 up to and including DN400;NOTE 1 See ISO 7005 and ISO 6708.- designations: PN10, PN16, PN20, PN25, PN40, PN50, PN63, PN100 and PN110.NOTE 2 See ISO 7005 and ISO 7268.NOTE 3 Designations PN63 and PN100 are not included in ISO 7005.NOTE 4 Designations PN20, PN50 and PN110 are not included in European Standard EN 1092.NOTE 5 For the purposes of face-to-face dimensions, designation PN100 in EN 1092 corresponds to PN110.NOTE 6 For the purposes of face-to-face dimensions, the following correlations apply:- PN20 covers Classes 125 and 150 in the ANSI system;- PN50 covers Classes 250 and 300 in the ANSI system;- PN110 covers Class 600 in the ANSI system.Only raised face flanges are covered.Specifically excluded from this standard are all valves having welded or threaded end connections.