{"id":243633,"date":"2024-10-19T15:59:37","date_gmt":"2024-10-19T15:59:37","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-60534-2-42009-2010\/"},"modified":"2024-10-25T10:56:23","modified_gmt":"2024-10-25T10:56:23","slug":"bs-en-60534-2-42009-2010","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-60534-2-42009-2010\/","title":{"rendered":"BS EN 60534-2-4:2009 2010"},"content":{"rendered":"
IEC 60534-2-4:2009 applies to all types of industrial-process control valves. It defines how to state typical control valve inherent flow characteristics and inherent rangeabilities. It also defines how to establish criteria for adherence to manufacturer-stated flow characteristics. This edition constitutes a technical revision. The main changes with respect to the previous edition are: – update the normative references; – delete the terminology included in IEC 60534-1; – transform the previous Note 1 in Clause 6; – redraw the graphics; – delete the previous Figure 3.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
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6<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | 4 Symbols Table 1 \u2013 Symbols <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 5 Typical inherent flow characteristics <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | Figure 1 \u2013 Example of an equal percentage characteristic valve specimen compared to manufacturer-stated flow characteristic <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | Figure 2 \u2013 Example of linear characteristic valve specimen compared to manufacturer-stated flow characteristic <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 6 Inherent rangeability 7 Permissible deviations between actual and manufacturer-stated inherent flow characteristics Table 2 \u2013 Limiting values of flow coefficients <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | Table 3 \u2013 Allowable flow coefficient deviations <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Industrial-process control valves – Flow capacity. Inherent flow characteristics and rangeability<\/b><\/p>\n |