1、 API 6D API 6D , 2014 . : 1 2015 . 1, 2014 2, 2014 Specification for Pipeline and Piping Valves API SPECIFICATION 6D TWENTY-FOURTH EDITION, AUGUST 2014 EFFECTIVE DATE: AUGUST 1, 2015 ERRATA 1, OCTOBER 2014 ERRATA 2, DECEMBER 2014 This Standard has been translated by the Scientific and Industrial Val
2、ve Manufacturers Association with the permission of the American Petroleum Institute (API). This translated version shall not replace nor supersede the English language version which remains the official version. API shall not be responsible for any errors, discrepancies or misinterpretations arisin
3、g from this translation. No additional translation or reproduction may be made of the Standard without the prior written consent of API. - (API). , . API , , . API. Copyright 2014 API 6D , , . , , , , , , , ; , , . , , , . . , , . , , , . , . , . API - . , API, . API , , API. , , , , , , . Copyright
4、 2014 API 6D . , , , , - , . : API Publishing Services, 1220 L Street, N.W., Washington, D.C. 20005. Copyright 2014 API 6D , , - , , , - , , . , , , . : , “ . : , “ , . API, , . , , , , , , American Petroleum Institute, 1220 L Street, N.W., Washington, D.C. 20005. , , . API , , . . API, (202) 682-80
5、00. API API, : 1220 L Street, N.W., Washington, D.C. 20005. , API, 1220 L Street, NW, Washington, DC 20005, standardsapi.org. Copyright 2014 API 6D . ii iii 1 1 1.1 . 1 1.2 1.3 . 1 1.4 , . 1 2 . 2 3 , , , , . 4 3.1 . 9 3.2 9 3.3 9 4 10 4.1 10 4.2 10 5 12 5.1 12 5.2 12 5.3 . 13 5.4 . 13 5.5 14 5.6 .
6、14 5.7 14 5.8 15 5.9 . 16 5.10 . 16 5.11 , 17 5.12 , 17 5.13 - . 17 5.14 18 5.15 18 5.16 18 5.17 18 5.18 , 5.19 . 19 5.20 19 5.21 () . 20 5.22 . 20 5.23 . 6 20 6.1 20 6.2 20 6.3 21 6.4 . 21 6.5 . 21 6.6 . 21 6.7 . 22 6.8 22 6.9 () . 23 6.10 . 23 7 23 7.1 23 7.2 / 23 7.3 24 7.4 24 7.5 25 7.6 26 8 . 2
7、6 Copyright 2014 API 6D 8.1 . 26 8.2 26 8.3 , . 27 8.4 , 27 8.5 28 8.7 . 28 8.8 28 9 28 9.1 . 28 9.2 29 9.3 29 9.4 . 30 9.5 . 32 9.6 . 32 5.7 . 32 10 / . 32 11 . 32 12 . 34 13 35 13.1 . 35 13.2 , 36 14 36 14.1 36 14.2 , . 36 A () API API 37 B () 41 C () 56 D () 76 E () API 20 77 F () 78 G () . 81 H
8、() 85 I () , 90 J () () - . 92 K () . 97 L() 100 M () . 102 N () . 103 O () 104 108 Copyright 2014 API 6D 1 . 15 2 - . 16 3 V- 25 4 V- 25 5 , . 34 B.1 / . 42 B.2 / . 43 B.3 44 B.4 45 B.5 . 46 B.6 47 B.7 48 B.8 . 49 B.9 . 50 B.10 51 B.11 . 52 B.12 53 B.13 . 54 B.14 55 F.1 ( ) 78 F.2 ( ) 79 K.1 A . 97
9、 K.2 B . 97 K.3 A . 98 K.4 B . 98 K.5 A . 98 K.6 B 98 L.1 100 L.2 101 L.3 101 L.4 101 1 11 2 / 17 3 ( ) 22 4 . 29 5 . 30 6 30 7 33 8 36 C.1 (A), (B) Copyright 2014 API 6D (C) . 57 C.2 - (A), (B) (C) . 61 C.3 - (A), (B) (C) . 67 C.4 , ,- (A), (B) (C) 72 C.5 , , , . 75 D.1 76 H.1 . 86 J.1 92 J.2 , , / () . 94 J.3 95 J.4 . 96 K.1 . 99 O.1 106 Copyright 2014 API 6D API 6D , 1, 2 3. API 6D , API 6D. . , . , , . Copyright 2014
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