1、API 6FD 1 This Standard has been translated by the Scientific and Industrial Valve Manufac-turers 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
2、 not be responsible for any errors,dis-crepancies or misinterpretations arising from this translation.No additional trans-lation or reproduction may be made of the Standard without the prior written consent of API.-(API).,.API ,.API.American Petroleum Institute 12201 Street,Northwest Washington,D.C.
3、20005 Specification for Fire Test for Check Valves API ,15 1995 6FD API SPECIFICATION FIRST EDITION,FEBRUARY 15,1995 Pipeline Valves Copyright American Petroleum Institute API 6FD 2 -(API)2007-102697 API,API,.American Petroleum Institute-.,Copyright American Petroleum Institute API 6FD 3 .,-(API),(S
4、TEP:Strategies for Todays Envi-ronmental Partnership).,;.(API).API ,.,.API :,.,.,.,.,.,.,.,.,.iii Copyright American Petroleum Institute API 6FD 4 (API).,.,;API ,.,.,-,-,.,.,.,.:(214)953-1101.API :1220 L Street.N.W.Washington.D.C.20005.,.,:API 700 North Pearl,Suite 1840,Dallas,Texas 75201.,.,;,(),.A
5、PI ,.,.API -.,API,.API ,API.iv Copyright American Petroleum Institute API 6FD 5 1 .1 2 .1 3 (.6).1 4 .7 4.1 ().7 4.2 (,).7 4.3 ().7 4.4 ().7 4.5 .7 4.6 ().7 4.7 .7 5 .8 6 .8 7 .8 .10 .1 .2.2 .3.3 .3.4 .4.5 .5.6 .6.1 .5.2.(NPS)(.4.7.1).8.3.(.4.7.2).9.A-1 .10 v Copyright American Petroleum Institute A
6、PI 6FD 6 API .Spec 6FD 1994.,:API Spec 6A .Spec 6D .Spec 6FB .Spec 6FC .Bul 6AF API .Bul 6AF1 API .Bul 6Fl ,API ANSI,API Spec 6FA.Bul 6F2 API.,.vi Copyright American Petroleum Institute API 6FD 7 ,API,.,.,().(OSHA),29 ,1910.1001:.,40 ,61.140-61.156 ()(763.160 179).,.,vii Copyright American Petroleum
7、 Institute API 6FD 1 1 ,API Spec 6A 6D,.,.,30-.,.,.2 2.1 ,.2.2 ,1400-1800F(761C-980C),.1-4.38,(.5).API 6A 7 1/16 API 6D 6 ,.1 3.,.2 4.,NPS 1 (25),(,),6 (152).2.3 30 2.4 (,).4.2,4.4 4.6.,.3 (.6)3.1 (.15,21,22,23,24 25).(.16 17)(.5 6),.3.2 (.5)(.15,22,23,24 25).(.16).Copyright American Petroleum Insti
8、tute API 6FD 2 .1 1 (25)/1,5 (38)1 (25)1 (25)1 (25)Copyright American Petroleum Institute API 6FD 3 .2 .3 1 (25)1 (25)1,5 (38)1,5 (38)/1 (25)1 (25)1 (25)1,5 (38)1 (25)1 (25)1 (25)1 (25)Copyright American Petroleum Institute API 6FD 4 .4 ,.3.3 .1.,.-(.4).(.19).3.4 ,.(.14)1400F(761C)2.1400-1800F(761C-
9、980C),1300F(704C).3.5 (.13)1200F 650C)15 .1200 (650C),565C).:,.,.3.6 (.7,13 14),30 .3.7 (30 ).3.8 ,(.19),.-.3.9 ()212F(100C).,.,-(.4)(19).1 (25)1,5 (38)1,5 (38)1 (25)1 (25)1 (25)FLAME 1 (25)Copyright American Petroleum Institute API 6FD 5.1 (PN)*psi ()()psi ()()Spec 6D 150(20)210(14,5)(1,5)29(2,0l(0
10、,2)300(50)540(37,2)(3,7)50(3,41(0,34)400(64)720(49,6)(5,0)70(4,8)(0,48)600(110)1080(74,5)(7,5)105(7,2)(0,72)900(150)1620(111,7)(11,2)1500(260i 2700(186,2)(18,6)2500(420)4500(310,31(31,0)psi()()psi()()Spec 6A 2000(138)(13,8)1500(103,4)(10.3)3000(207)(20,7)2250(155,1)(15,5)5000(345)(34,5)3750(25S,6)(2
11、5.9)10000(690)(69,0)7500(517,1)(51,7)15000(1034)(103,51 11250(775,7)(77,6)20000(1379)(138,0)15000(1034.2)(103,5):10%.*PN-,ISO().5 :1,5 (38)1/8 40 0,125(3,2)0,750(19)0,339(8,6)0,38(10)0,250 27 NPT :+0,03 (+0,8)Copyright American Petroleum Institute API 6FD 6 1.2.3.4.-.5.6.7.8.9.6 (152).10.,6 (152).11
12、.,.12.(.2.2).13.1 (38)(.2.2).14.(.2.2).15.,.16.17.18.19.20.21.22.23.24.25.6 :.6 -(152),Copyright American Petroleum Institute API 6FD 7 3.10 API Spec 6D 600 .,.1.5-.3.11 1%3.12 .3.11,(.15 23).3.13 (.16).3.14 (.22,24 25),(.24).3.15 (.21),.(.11).3.16 ()(.23).,.3.17 (.1),.1.,(.15),.3.18 5-.3.19 .,.4 4.
13、1 (),(.3.8).30 400/(15,7/)*4.2 (,),(.3,9).30 100C)100/(3,9/)*4.3 (),(.3.10).5 40/(1,6/)*4.4 (),(.3.10).5 20/(0,8/)*:NPS (DN ),.4.5 (.3.16).4.6 (),.3.18.200/(8/).4.7 NPS ,-,-,:4.7.1 ,(.2).NPS 16 .4.7.2 ,(.3).4.7.3 .4.7.4 ,.Copyright American Petroleum Institute API 6FD 8 5 ,.6 ,.,.7 ,API Spec 6A 6D,.
14、,:6FD .2.(NPS)(.4.7.1),NPS DN*NPS DN*2API 6D,1 13/16,2 1/16 API 6A 50 2.2 1/2,3,4 API 6D,1 13/16,2 1/16,2 9/16,3 1/8,4 1/16 API 6A 50,65 80,100 2 9/16 API 6A,2 1/2 API 6D 65 2 9/16,3 1/8,4 1/16,5 1/8 API 6A 2 1/2,3,4 API 6D 65,BO 100,125 3 API 6D,3 1/8 API 6A 80 3,4,6 API 6D,3 1/8,4 1/16,5 1/8,7 1/1
15、6 API 6A 80,100 125,150 4 API 6D,4 1/16 API 6A 100 4,6,8 API 6D,4 1/16,5 1/8,7 1/16 API 6A 100,125,150,200 5 1/8 API 6A 125 5 1/8,7 1/16,9 API 6A,6,8,10 API 6D 125,150,200,250 6 API 6D,7 1/16 API 6A 150 6,8,10,12 API 6D,7 1/16,9,11 API 6A 150,200 250,300 8 API 6D 200 8,10,12,14,16 API 6D 9,11 API 6A
16、 200,250,300.350,400 9 API 6A 9,11,API 6A,8 16 API 6D 250 400 10 API 6D 250 10 20 API 6D,11 API 6A 250 500 11 API 6A 11 API 6A,10 24 API 6D 300 500 12 API 6D 300 12 24 API 6D 300 600 14 API 6D 350 14 28 API 6D 350 700 16 API 6D 400 16 API 6D 400 *DN ,ISO().Copyright American Petroleum Institute API 6FD 9.3.(.4.7.2),PN*psi PN*150 API 6D 20 150,300 API 6D 20.50 300 API 6D 50 300,400,600 API 6D 50,64,no 400 API 6D 64 400,600 API 6D 64,110 600 API 6D 110 600,900 API 6D,2000,3000 API 6A 110,150 13.8,
