1、 , NPS 4 (DN 100) Steel Gate, Globe, and Check Valves for Sizes NPS 4 (DN 100) and Smaller for the Petroleum and Natural Gas Industries API 602 , 2009 : 1 2010 This Standard has been translated by the Scientific and Industrial Valve Manufacturers Association with the permission of the American Petro
2、leum Institute (API). This translated version shall not replace nor supersede the English language version which remains API shall not be responsible for any errors, discrepancies or misinterpretations arising from this translation. No additional translation or reproduction may be made of the Standa
3、rd without the prior written consent of API the official version. - (API). , . API , , . API. , NPS 4 (DN 100) Steel Gate, Globe, and Check Valves for Sizes NPS 4 (DN 100) and Smaller for the Petroleum and Natural Gas Industries API 602 , 2009 : 1 2010 - (API) 2011-105396 API, API, . (API) . , , . A
4、PI , , , , , , , , ( ) - , . API , , , . API . , ; , - , , - , , . API , . , . API - . , API, . API , , API. . , , - - (, , , ) . Contact the Publisher, API Publishing Services, 1220 L Street, NW, Washington, DC 20005. Copyright 2009 American Petroleum Institute iii , API, - , , , - , , . , , . : ,
5、, . : , . API, , API. , , , , , /API/ : 1220 L Street, NW, Washington, DC 20005. , , . , API , , , , . , 2 , . , API : (202) 682-8000. API API , : 1220 L Street, NW, Washington, DC 20005. API : 1220 L Street, NW, Washington, DC 20005, standardsapi.org. v 1 1 2 2 3 . 3 4 4 4.1 . 4 4.2 . 7 5 . 10 5.1
6、10 5.2 . 10 5.3 11 5.4 . 11 5.5 . 16 5.6 17 5.7 18 5.8 . 19 5.9 , 20 5.10 20 5.11 21 6 . 21 6.1 21 6.2 , . 24 7 24 7.1 . 24 7.2 24 7.3 . 24 7.4 25 7.5 . 25 8 25 8.1 25 8.2 25 9 . 26 () 27 () . 31 () . 35 D () . 38 E () , . 45 F () . 47 1 . 15 A.1 800. 28 A.2 800 1500 29 vi A.3 800 1500 . 29 D.1 , 38
7、 D.2 39 D.3 . 40 D.4 . 41 D.5 . 42 D.6 . 43 D.7 44 D.8 . 44 1 1 2 ASME B16.34 . 5 2a 800 ( ) 6 2b 800 ( ) 8 3 a 10 4 11 5 , . 12 6 12 7 15 8 - . 17 9 18 10 . 19 11 . 20 12 , . 22 13 CN 23 14 , . 23 A.1 800. 27 A.2 800 1500 . 28 A.3 800 1500 . 30 A.4 . 30 B/1 33 C.1 36 F.1 1 , 48 F.2 2 49 F.3 - 50 1
8、, NPS 4 (DN 100) 1 , . : NPS 1/4, NPS 3/8, NPS 1/2, NPS 3/4, NPS 1, NPS 1 1/4, NPS 1 1/2, NPS 2, NPS 2 1/2, NPS 3, NPS 4; DN 8, DN 10, DN 15, DN 20, DN 25, DN 32, DN 40, DN 50, DN 65, DN 80, DN 100. 150, 300, 600, 800 1500. 800 , , . , : (OS Y) 1/4 NPS 4 (8 DN 100) , . 800. (ISRS), 1/4 NPS 2 1/2 (8
9、DN 65) 800. , 1/4 NPS 2 1/2 (8 DN 65) 800 1500. , 1/2 NPS 4 (15 DN 100) 150-1500, 800 . , , 1500, 800. . . . ASME B16.5, ASME B1.20.1 ISO 7-1, ASME B16.11, , . 1/2 NPS 2 (15 DN 50) 800 1500, , 1/4 NPS 2 (8 DN 50). . 2 API 602 2 . . , ( ). API 598, ASME B1.1 1, ( UN UNR) ASME B1.5, ASME B1.8, ASME B1.13M, : M- ASME B1.20.1, () ASME B16.5, ASME B16.10, , ASME B16.11, , ASME B16.34, , ASME B31.3, ASME (BPVC), IX: ASTM A193 2, ASTM A194, ASTM A307, 414 ( 60 000 psi) EN 10269 3, / ISO 7-1 4, , 1. , ISO 7-2, , 2: ISO 2902, ISO ISO 2903, ISO ISO 2904, ISO
