1、 Flanged Steel Pressure-relief Valves API 526 , 2009 , This Standard has been translated by the Scientific and Industrial Valve Manu-facturers Association with the permis-sion of the American Petroleum Institute (API). This translated version shall not replace nor supersede the English lan-guage ver
2、sion which remains the official version. API shall not be responsible for any errors, discrepancies or misinterpre-tations arising from this translation. No additional translation or reproduction may be made of the Standard without the prior written consent of API. - (API). , . API , , . API. Flange
3、d Steel Pressure-relief Valves Downstream Segment API , 2009 API STANDARD 526 SIXTH EDITION, APRIL 2009 , 2009 ERRATA, MAY 2009 - () (API) 2011-105396 API, API, . American Petroleum Institute (API) . , . API , , , , , , , , ( ) - , . API , , , . API . , ; , - , , - , , . API , . , . API - . , API, .
4、 API , , API. . , , - - (, , , ) . : API Publishing Services, 1220 L Street, NW, Washington, DC 20005. Copyright 2009 American Petroleum Institute iii , . , API, - , , , - , , . , , . API, , API. , , : 1220 L Street, N.W., Washington, D.C. 20005. . , API , , , , . , 2 , . API: (202) 682-8000. API AP
5、I , 1220 L Street, N.W., Washington, D.C. 20005. , API, 1220 L Street, NW, Washington, DC 20005, standardsapi.org. 1 1 2 1 3 . 1 4 1 5 2 6 2 7 . 3 7.1 3 7.2 . 3 7.3 3 7.4 3 7.5 . 3 7.6 3 8 . 3 8.1 3 8.2 4 8.3 4 9 . 4 9.1 . 4 9.2 5 9.3 . 5 10 . 5 10.1 . 5 10.2 5 11 . 5 11.1 . 5 11.2 5 11.3 6 11.4 . 6
6、 A . 35 B 36 C 39 D . 40 . 43 1 2 2 4 3 , D (- = 0,110 . ) . 7 4 , E (- = 0,196 . ) . 8 5 , F (- = 0,307 . ) . 9 6 , G (- =0,503 . ) 10 7 , H (- = 0,785 . ) . 11 8 , J (- = 1,287 . ) . 12 9 , K (- = 1,838 . ) . 13 10 , L (- = 2,853 . ) . 14 11 , M (- = 3,60 . ) . 15 12 , N (- = 4,34 . ) . 16 13 , P
7、v v = 6,38 . ) . 17 14 , Q (- = 11,05 . ) . 18 15 , R (- = 16,00 . ) . 19 16 , T (- = 26,00 . ) . 20 17 , D ( = 0,110 . ) 21 18 , E ( = 0,196 . ) 22 19 , F ( = 0,307 . ) 23 20 , G ( = 0,503 . ) 24 21 , H ( = 0,785 . ) 25 22 , J ( = 1,287 . ) 26 23 , K ( = 1,838 . ) 27 24 , L ( = 2,853 . ) 28 25 ,
8、M ( = 3,60 . ) 29 26 , N ( = 4,34 . ) 30 27 , P ( = 6,38 . ) 31 28 , Q ( = 11,05 . ) 32 29 , R ( = 16,00 . ) 33 30 , T ( = 26,00 . ) 34 .1 . 35 B.1 , 3-30 36 B.2 , 3-30 37 B.3 , 3-30 37 B.4 , 3-30 38 B.5 , 3-30 38 C.1 39 D.1 , 2 . 41 D.2 , 3 42 1 1 . , , : - ; - , ; - ; - ; - ; A. 2 . . , ( ). API 520 ( ), , API 527, ASME1 B16.5, ASME B16.34, , ASME, (BPVC), VIII, , 1 2 ASME, BPVC, II ASME SA-216, , , ASME SA-217, , , ASME SA-351, , ASME SA-494, 3 API 520, I. 4 4.1 , , : . 1 - (ASME International), 3 Park Avenue, New York, New York 10016, www.asme.org 2 API 526 . , . . , , , . . . 4.2
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