iec 60534-2 4 industrial process control valves - flow capacity equations

... 605 3 4- 2- 1 O IEC: 1998 -7 - INDUSTRIAL- PROCESS CONTROL VALVES - Part 2-1 : Flow capacity - Sizing equations for fluid flow under installed conditions 1 Scope This part of IEC ... kglh - bar - 1 ,40 x lo2 1,27 x lo2 - - - - - - - K - mm IEC publication 605 3 4- 2- 1 (First edition - 199...

Ngày tải lên: 04/04/2014, 14:49

... 605 3 4- 2, the definitions given in IEC 605 3 4- 1, IEC 605 3 4- 2, IEC 605 3 4- 2- 2, IEC 6129 8-1 , and IEC 6129 8-2 apply. 4 Symbols Symbol Description Unit C Flow coefficient ( K v , C v ) Various (see IEC ... 8 – 605 3 4- 2- 3 © CEI:1997 3 Définitions Pour les besoins de la présente section de la CEI 605 3 4- 2, les définitions données dans la CEI 605 3...

Ngày tải lên: 04/04/2014, 14:49

... Services I IEC 5 34 PT*2 -4 87 Flow Lower coefficient limit K" 4. 3 A" . 1.2 x 10 -4 C" 5 5 3 4- 2 -4 0 IEC -9 - upper limit (1.1 x 1 0-6 )dZ (4. 0 x lo-*)& (4. 7 x ... Commission Licensed by Information Handling Services IEC 5 34 PT*K2 -4 87 m LI 844 871 0055Lb5 4 m - 14 - 5 3 4- 2 -4 O CE I...

Ngày tải lên: 04/04/2014, 14:50

... applies. IEC 605 3 4- 1:1987, Industrial- process control valves – Part 1: Control valve terminology and general considerations IEC 605 3 4- 2- 1:1998, Industrial- process control valves – Part 2-1 : Flow capacity ... with IEC Not for Resale No reproduction or networking permitted without license from IHS ````` `-` -` ,,`,,`,`,,` 605 3 4- 2- 5  IEC: 20...

Ngày tải lên: 04/04/2014, 14:50

... Handling Services IEC 5 34 PT*ô -4 94 48 448 73 05b3562 3 94 5 3 4- 8 -4 O IEC: 19 94 -9 - 3 Definitions Valves in the meaning of this section are control valves as defined in IEC 5 3 4- 1. All of ... Services IEC 5 34 PT*8 -4 94 9 48 448 93 O563569 749 9 - 1 6- 5 3 4- 8 -4 O CEI:19 94 NWSi = 120 + 10 lgqF+ 10 lg h...

Ngày tải lên: 04/04/2014, 11:33

... 225 225 236 2 54 275 200 275 272 275 2 84 305 325 250 325 337 325 3 54 376 – 300 375 368 375 387 41 0 – 350 42 5 44 5 42 5 46 4 48 6 – ±3 40 0 47 5 508 47 5 529 5 54 – Séries de base 8 40 8 41 42 9 – NOTE 1 ... 225 225 236 2 54 275 200 275 272 275 2 84 305 325 250 325 337 325 3 54 376 – 300 375 368 375 387 41 0 – 350 42 5 44 5 42 5 46 4 48 6 – ±3 40 0 47 5 508 47 5...

Ngày tải lên: 25/12/2013, 11:08

... Services IEC 5 34 PT*7 87 m 48 446 93 0055,275 O I - 16 - 5 3 4- 7 Q CE1 Nlii?lero de ligne Explication des terines et définitions 37 38 39 40 41 42 43 44 45 46 . 47 48 49 ... (see IEC 5 3 4- 1); codes, standards and regulations; valve sizing (see IEC 5 3 4- 2 and 5 3 4- 2-2 ); inherent flow characteristics and rangeability (see I E...

Ngày tải lên: 04/04/2014, 11:30

... signal for process control systems. 5 34: - Industrial- process control valves. 5 3 4- 1 (1987) 5 3 4- 2 (1978) Part 1: Control valve terminology and general considerations. Part 2: Flow capacity. ... with IEC Not for Resale No reproduction or networking permitted without license from IHS `,,` `-` -` ,,`,,`,`,,` IEC 5 34 PT*L 87 W 48 448 93 0055 04...

Ngày tải lên: 04/04/2014, 14:47

... IHS `,,` `-` -` ,,`,,`,`,,` INDUSTRIAL- PROCESS CONTROL VALVES Part 3 : Dimensions SECTION ONE - FACE-TO-FACE DIMENSIONS FOR FLANGED, TWO-WAY, GLOBE-TYPE CONTROL VALVES Note. - The rationale ... under license with IEC Not for Resale No reproduction or networking permitted without license from IHS `,,` `-` -` ,,`,,`,`,,` IEC 5 34 PT*3 7ka U! 48...

Ngày tải lên: 04/04/2014, 14:50

... license from IHS ````` `-` -` ,,`,,`,`,,` 605 3 4- 6-1 © IEC: 1997 – 23 – M8 12 min. 43 43 A A - A 8 min. 20 to 30 M6 Valve stem 7,5 7,5 Ø 10 min. Actuator shaf A IEC 1 044 /97 Dimensions in millimetres NOTES 1 ... license with IEC Not for Resale No reproduction or networking permitted without license from IHS ````` `-` -` ,,`,,`,`,,` 605 3 4- 6-1 © IEC: 1997 – 17...

Ngày tải lên: 04/04/2014, 11:29