1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS B 0221 KS B 0221:2009 2009 10 22 http:/www.kats.go.krKS B 0221:2009 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) ： ：1970 2 13 ：2009 10 22 2009-0639 ： ： ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS B 0221:2009 Parallel pipe threads 1 , , 1) . , P
2、F 1/8PF 6 B PF 7PF 12 . 1 ISO 228 1(Pipe threads where pressure-tight joints are not made on the threads Part 1： Dimensions, tolerances and designation) . , ISO 228 1 . 2 KS B 0222 . 2 . . ( ) . KS B 0222, KS B 5223, 3 2) , A B . 4 , 1 , 2 . 5 1 . , (A B) . 1) , . 2) , KS B 0222 . KS B 0221:2009 2 G
3、211 A, G211 B G211 6 , KS B 5223 . KS B 0221:2009 3 1 . Pn4.25H 0.960 491 P h 0.640 327 P r 0.137 329 P d2 d h d1 d 2h D2 d2D1 d1： mm d d2 d1 25.4 mm n P () h r D D2 D1G 1/16 28 0.907 1 0.581 0.12 7.723 7.142 6.561 G 1/8 G 1/4 G 3/8 28 19 19 0.907 1 1.336 8 1.336 8 0.581 0.856 0.856 0.12 0.18 0.18 9
4、.728 13.157 16.662 9.147 12.301 15.806 8.566 11.445 14.950 G 1/2 G 5/8 G 3/4 14 14 14 1.814 3 1.814 3 1.814 3 0.162 0.162 0.162 0.25 0.25 0.25 20.955 22.911 26.441 19.793 21.749 25.279 18.631 20.587 24.117 G 7/8 G 1 G 1 1/8 14 11 11 1.814 3 2.309 1 2.309 1 0.162 1.479 1.479 0.25 0.32 0.32 30.201 33.
5、249 37.897 29.039 31.770 36.418 27.877 30.291 34.939 G 1 1/4 G 1 1/2 G 1 3/4 11 11 11 2.309 1 2.309 1 2.309 1 1.479 1.479 1.479 0.32 0.32 0.32 41.910 47.803 53.746 40.431 46.324 52.267 38.952 44.845 50.788 G 2 G 2 1/4 G 2 1/2 11 11 11 2.309 1 2.309 1 2.309 1 1.479 1.479 1.479 0.32 0.32 0.32 59.614 6
6、5.710 75.184 58.135 64.231 73.705 56.656 62.752 72.226 G 2 3/4 G 3 G 3 1/2 11 11 11 2.309 1 2.309 1 2.309 1 1.479 1.479 1.479 0.32 0.32 0.32 81.534 87.884 100.330 80.055 86.405 98.851 78.576 84.926 97.372 G 4 G 4 1/2 G 5 11 11 11 2.309 1 2.309 1 2.309 1 1.479 1.479 1.479 0.32 0.32 0.32 113.030 125.7
7、30 138.430 111.551 124.251 136.951 110.072 122.772 135.472 G 5 1/2 G 6 11 11 2.309 1 2.309 1 1.479 1.479 0.32 0.32 151.130 163.830 149.651 162.351 148.172 160.872 G . KS B 0221:2009 4 2 ： m d ad2 d1 D aD2 D1 25.4 mm n A B G 1/16 28 0 214 0 107 214 0 0 0 107 0 282G 1/8 G 1/4 G 3/8 28 19 19 0 0 0 2142
8、502500 0 0 107 125 125 2142502500 0 0 0 0 0 0 0 0 107 125 125 0 0 0 282445445G 1/2 G 5/8 G 3/4 14 14 14 0 0 0 2842842840 0 0 142 142 142 2842842840 0 0 0 0 0 0 0 0 142 142 142 0 0 0 541541541G 7/8 G 1 G 1 1/8 14 11 11 0 0 0 2843603600 0 0 142 180 180 2843603600 0 0 0 0 0 0 0 0 142 180 180 0 0 0 5416
9、40640G 1 1/4 G 1 1/2 G 1 3/4 11 11 11 0 0 0 3603603600 0 0 180 180 180 3603603600 0 0 0 0 0 0 0 0 180 180 180 0 0 0 640640640G 2 G 2 1/4 G 2 1/2 11 11 11 0 0 0 3604344340 0 0 180 217 217 3604344340 0 0 0 0 0 0 0 0 180 217 217 0 0 0 640640640G 2 3/4 G 3 G 3 1/2 11 11 11 0 0 0 4344344340 0 0 217 217 2
10、17 4344344340 0 0 0 0 0 0 0 0 217 217 217 0 0 0 640640640G 4 G 4 1/2 G 5 11 11 11 0 0 0 4344344340 0 0 217 217 217 4344344340 0 0 0 0 0 0 0 0 217 217 217 0 0 0 640640640G 5 1/2 G 6 11 11 0 0 4344340 0 217 217 4344340 0 0 0 0 0 217 217 0 0 640640 , . a 2 .( )1/2 ( )1/2d1d ( )1/2 D2D1d2( )1/2D KS B 02
11、21:2009 5 A ISO 228 1 A.1 ISO 228 1, Pipe threads where pressure-tight joints are not made on the threads Part 1： Dimensions, tolerances and designation , , . , . KB B 0222 . A.2 2) , A B .3)A.3 , A.1 , A.2 . A.4 . A.1 (A B ) PF 1 1/2 B A.5 KS B 5223 . 3) PF1/8 PF6 A , A.2 G1/8 G6 . KS B 0221:2009 6
12、 A.1 . Pn4.25H 0.960 491 P h 0.640 327 P r 0.137 329 P d2 d h d1 d 2h D2 d2D1 d1： mm d d2 d1 (25.4 mm ) n P () h r D D2 D1PF 1/8 PF 1/4 PF 3/8 28 19 19 0.907 1 1.336 8 1.336 8 0.581 0.856 0.856 0.12 0.18 0.18 9.728 13.157 16.662 9.147 12.301 15.806 8.566 11.445 14.950 PF 1/2 PF 5/8 PF 3/4 14 14 14 1
13、.814 3 1.814 3 1.814 3 0.162 0.162 0.162 0.25 0.25 0.25 20.955 22.911 26.441 19.793 21.749 25.279 18.631 20.587 24.117 PF 7/8 PF 1 PF 1 1/8 14 11 11 1.814 3 2.309 1 2.309 1 0.162 1.479 1.479 0.25 0.32 0.32 30.201 33.249 37.897 29.039 31.770 36.418 27.877 30.291 34.939 PF 1 1/4 PF 1 1/2 PF 1 3/4 11 1
14、1 11 2.309 1 2.309 1 2.309 1 1.479 1.479 1.479 0.32 0.32 0.32 41.910 47.803 53.746 40.431 46.324 52.267 38.952 44.845 50.788 PF 2 PF 2 1/4 PF 2 1/2 11 11 11 2.309 1 2.309 1 2.309 1 1.479 1.479 1.479 0.32 0.32 0.32 59.614 65.710 75.184 58.135 64.231 73.705 56.656 62.752 72.226 PF 2 3/4 PF 3 PF 3 1/2
15、11 11 11 2.309 1 2.309 1 2.309 1 1.479 1.479 1.479 0.32 0.32 0.32 81.534 87.884 100.330 80.055 86.405 98.851 78.576 84.926 97.372 PF 4 PF 4 1/2 PF 5 11 11 11 2.309 1 2.309 1 2.309 1 1.479 1.479 1.479 0.32 0.32 0.32 113.030 125.730 138.430 111.551 124.251 136.951 110.072 122.772 135.472 PF 5 1/2 PF 6
16、 PF 7 11 11 11 2.309 1 2.309 1 2.309 1 1.479 1.479 1.479 0.32 0.32 0.32 151.130 163.830 189.230 149.651 162.351 187.751 148.172 160.872 186.272 PF 8 PF 9 PF 10 PF 12 11 11 11 11 2.309 1 2.309 1 2.309 1 2.309 1 1.479 1.479 1.479 1.479 0.32 0.32 0.32 0.32 214.630 240.030 265.430 316.230 213.151 238.55
17、1 263.951 314.751 211.672 237.072 262.472 313.272 PF . KS B 0221:2009 7 A.2 ： m d d2 d1 D D2 D1 25.4 mm n A B A B PF 1/8 PF 1/4 PF 3/8 28 19 19 0 0 0 2142502500 0 0 107 125 125 2142502500 0 0 0 0 0 0 0 0 107 125 125 214 250 250 0 0 0 282445445PF 1/2 PF 5/8 PF 3/4 14 14 14 0 0 0 2842842840 0 0 142 14
18、2 142 2842842840 0 0 0 0 0 0 0 0 142 142 142 284 284 284 0 0 0 541541541PF 7/8 PF 1 PF 1 1/8 14 11 11 0 0 0 2843603600 0 0 142 180 180 2843603600 0 0 0 0 0 0 0 0 142 180 180 284 360 360 0 0 0 541640640PF 1 1/4 PF 1 1/2 PF 1 3/4 11 11 11 0 0 0 3603603600 0 0 180 180 180 3603603600 0 0 0 0 0 0 0 0 180
19、 180 180 360 360360 0 0 0 640640640PF 2 PF 2 1/4 PF 2 1/2 11 11 11 0 0 0 3604344340 0 0 180 217 217 3604344340 0 0 0 0 0 0 0 0 180 217 217 360 434 434 0 0 0 640640640PF 2 3/4 PF 3 PF 3 1/2 11 11 11 0 0 0 4344344340 0 0 217 217 217 4344344340 0 0 0 0 0 0 0 0 217 217 217 434 434 434 0 0 0 640640640PF
20、4 PF 4 1/2 PF 5 11 11 11 0 0 0 4344344340 0 0 217 217 217 4344344340 0 0 0 0 0 0 0 0 217 217 217 434 434 434 0 0 0 640640640PF 5 1/2 PF 6 11 11 0 0 4344340 0 217 217 4344340 0 0 0 0 0 217 217 434 434 0 0 640640PF 7 11 0 636 0 318 636 0 0 0 318 636 0 640PF 8 PF 9 PF 10 PF 12 11 11 11 11 0 0 0 0 63663
21、66367940 0 0 0 318 318 318 397 6366366367940 0 0 0 0 0 0 0 0 0 0 0 318 318 318 397 636 636 636 794 0 0 0 0 640640640800( )1/2 ( )1/2d1d ( )1/2 D2D1d2( )1/2D KS B 0221:2009 8 A.2 ( ) 1 , . 2 . 3 A.2 G 1/8 G 6 . ISO . 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS B 0221:2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Parallel pipe threads ICS 21.040 Korean Agency for Technology and Standards http:/www.kats.go.kr
