KS B ISO 7121-2007 Flanged steel ball valves《法兰型钢制球阀》.pdf

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1、 KS B ISO 7121KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS B ISO 7121 : 2007(2012 ) 2007 10 31 http:/www.kats.go.krKS B ISO 7121: 2007 : ( ) ( ) ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) : :2002 10 29 :2007 10 31 :2012 12 13 : 20120703 : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS B ISO 712

2、1 : 2007 (2012 ) Flanged steel ball valves 1986 1 ISO 7121, Flanged steel ball valves , . 0 . 1 ISO PN 10 ISO PN 100, DN 10 DN 500 . 2 . . ( ) . KS B ISO 7 1, , KS B ISO 5208, KS B ISO 5209, KS B ISO 5752, KS B ISO 7268, ISO 261, ISO general purpose metric screw threads General plan ISO 263, ISO inc

3、h screw threads General plan and selection for screws, bolt and nuts Diameter range 0.06 to 6 in ISO 6708, Pipe components Definition of nominal size ISO 7005 1, Metallic flanges Part 1: Steel flanges 3 ISO 6708, KS B ISO 7268 . a) KS B ISO 7121: 2007 2 b) , , c) , d) 4 KS B ISO 5752 (full bore full

4、 port) (reduced bore reduced port) ( 1 ). ISO PN 10, ISO PN 16, ISO PN 20 , . 5 DN . 10, 15, 20, 25, 32, 40, 50, 65, 80, 100, (125), 150, 200, 250, 300, 350, 400, 450, 500 ( ) . 6 ISO PN . 10, 16, 20, 25, 40, 50, 100 7 / / ISO 7001 1 / . / (12.3 ). 8 3 . 8.1 8.1.1 2 b) . . . 8.1.2 ( 4 ) KS B ISO 712

5、1: 2007 3 8.1.2.1 tm 8.1.2.2 8.1.2.3 1 . , , . (full bore full port) (reduced bore reduced port) 1 a) b) 2 . KS B ISO 7121: 2007 4 3 4 t( ) d tm d tm1.1 dtm tmKS B ISO 7121: 2007 5 1 ISO PN 10 16 20 25 40 50 100 DNa tm(mm) 10 15 20 25 3.0 3.0 3.0 4.0 3.0 3.0 3.0 4.0 3.0 3.0 3.1 4.1 3.0 3.0 3.3 4.2 3

6、0 3.1 3.5 4.6 3.0 3.1 3.8 4.8 3.3 3.4 4.1 4.8 32 40 50 65 4.5 4.5 5.0 5.0 4.5 4.5 5.5 5.5 4.8 4.8 5.6 5.6 4.8 4.8 5.7 5.8 4.8 4.8 6.1 6.4 4.8 4.8 6.4 6.4 4.8 5.6 6.4 7.1 80 100 (125)b150 5.0 6.0 6.3 6.5 5.5 6.0 6.5 7.0 5.6 6.4 7.1 7.1 5.8 6.6 7.2 7.5 6.6 7.3 8.1 8.8 7.1 7.8 9.6 9.6 7.9 9.6 11.2 12.

7、7 200 250 300 350 7.0 7.5 8.5 9.0 8.0 8.5 9.5 10.0 8.1 8.6 9.6 10.4 8.6 9.3 10.4 11.3 10.2 11.4 12.7 14.0 11.2 12.7 14.2 15.8 15.8 19.0 23.1 24.6 400 450 500 9.6 10.0 10.5 11.0 11.5 12.5 11.2 11.9 12.7 12.7 13.0 14.5 15.4 16.6 18.3 17.5 19.0 20.6 27.7 31.0 34.0 a 2 b( ) . 8.1.2.2 8.1.2.1 tm , d 8.1.

8、3.4 . ( , ) . , d t . t ISO PN d 2d/3 tm . d 1.5d tm . 1.5d . 8.1.2.3 . a) . d 2 , tm 1 . b) 0.75tm . c) . 8.1.3 8.1.3.1 KS B ISO 5752 . 8.1.3.2 ISO 7005 1 . m35.0 td mtd 75.1m1.1 td m1.1 td KS B ISO 7121: 2007 6 . 8.1.3.3 . . DN 50 . . 8.1.3.4 2 . 8.1.3.5 3 . 8.1.3.6 DN 50 2 . KS B ISO 7 1 4 . 8.2

9、3 . . 2 d ISO PN 10, 16, 20, 25 40, 50 100 DN d a mm 10 15 20 25 10 13 19 25 10 13 19 25 10 13 19 25 32 40 50 65 32 38 50 64 32 38 50 64 32 38 50 64 80 100 (125)b 150 76 100 125 150 76 100 125 150 76 100 125 150 200 250 300 350 200 250 300 335 200 250 300 335 200 250 300 325 400 450 500 385 430 485

10、385 430 485 375 420 465 a (d) . b ( ) . 8.3 ( ) , ( ) . KS B ISO 7121: 2007 7 8.4 ( ) . 8.5 ISO 261 1). 8.6 DN 50 , . . a) . b) 5 12 V 10 . c) . 3 ISO PN 10100 10, 16, 20, 25, 40, 50 100 DN mm 10 15 20 25 32 40 50 65 80 100 (125)a 150 200 250 300 350 400 450 500 9.0 12.5 17 23 28 36 49 57 75 88 98 1

11、44 187 228 266 305 335 380 9 12.5 17 24 30 37 49 64 75 98 123 148 198 248 298 335 380 430 475 9 12.5 17 24 30 37 49 64 75 98 123 148 198 245 295 325 375 419 464 a( ) . 1) ISO 263 . KS B ISO 7121: 2007 8 4 (DN) 50, 65, 80, 100, (125) 1/2 150, 200 3/4 250500 1 9 9.1 ( A ). 9.2 . . A . 9.3 . 9.4 , . A

12、 . 9.5 . . 9.6 . 10 10.1 ISO 7005 1 , , . . . 10.2 ( ) . ( A ). 10.3 . ( A ). KS B ISO 7121: 2007 9 10.4 1 ( ), , , . 10.5 . 11 11.1 KS B ISO 5208 . 11.2 KS B ISO 5208 . : 3 12 12.1 KS B ISO 5209 . 12.2 . 12.3 . . a) ( DN ) ( .). DN 80/57 b) ( PN ) c) (ISO 7005 1 ) d) ( ) e) f) ( .) g) ( R25 ISO 70

13、05 1 ). . 12.3 . a) (7. ). 20 20 . . b) c) “ ”(8.6 ) . 12.4 , DN 50 . KS B ISO 7121: 2007 10 a) ( DN ) b) ( PN ) c) d) 13 13.1 . 13.2 . 13.2.1 . 13.2.2 . 13.3 . 13.4 , , , . 13.5 . KS B ISO 7121: 2007 11 A ( ) . (5.) DN (6.) ISO PN (4.) (KS B ISO 5752) (short) (medium) (long) (8.1.1) (8.1.3.2) ( ) (

14、 ) ( ) , (8.1.3.6) (8.2): (8.6) (9.1) ISO 5211 1 (9.2) (9.4) ( ) (10.1) ( ) (11.2 ) (10.2) , ( ) (10.2) , ( ) (10.3) , ( ) KS B ISO 7121: 2007 12 KS B ISO 7121 : 2007 2002 . 1 ISO KS ISO . 2 a) , ISO 1986 ISO 7121 . b) , . 3 a) ISO 7121 KS . b) KS A 0001 . 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ KS B ISO 7121: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Flanged steel ball valves ICS 23.060.20 Korean Agency for Technology and Standards http:/www.kats.go.kr

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