1、 KS B ISO 228 1KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS , KS B ISO 228 1 : 2007(2012 ) 2007 10 31 http:/www.kats.go.krKS B ISO 228 1： 2007 ： ( ) ( ) ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2002 12 10 ：2007 10 31 ：2012 12 31 ： 20120859 ： ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS B IS
2、O 228 1 : 2007 (2012 ) , Pipe threads where pressuretight joints are not made on the threadsPart 1：Dimensions, tolerances and designation 2000 4 ISO 228 1, Pipe threads where pressure tight joints are not made on the threads Part 1： Dimensions, tolerances and designation , . 1 1/16 6 , , . , , , . .
3、 , . 1 KS B ISO 7 1 . 2 KS B ISO 228 2 . 2 . . ( ) . KS B ISO 7 1, , KS B ISO 228 2, 3 . A B D d： KS B ISO 228 1： 2007 2 D1 D 1.280 654 P d1： D2 D 0.640 327 P d2： d d1 d 1.280 654 P： d2 d 0.640 327 P： G H h P r TD1 TD2 Td Td2 4 KS B ISO 7 1 . (5. ). 1 14, 15 . KS B ISO 7 1 KS B ISO 7 1 . 1/16, 1/8,
4、1/4 3/8 KS B ISO 7 1 . , ( 1 ). A (10 ) B (11 ) 2 A B , KS B ISO 228 . 1 . 1 . KS B ISO 228 1： 2007 3 1 2 3 a H 0.960 491 P b h 0.640 327 P c r 0.137 329 P 1 2 . 1 2 3 a H 0.960 491 P b h 0.640 327 P c r 0.137 329 P 2 KS B ISO 228 1： 2007 4 5 . a) ： b) ： KS B ISO 228 c) . G 1 1 ( ) G 1 1 A A G 1 1 B
5、 B d) LH , . 1 1/2 ( ) KS B ISO 228 G 1 1/2 A KS B ISO 228 G 1 1/2A B KS B ISO 228 G 1 1/2B 6 KS B ISO 228 1 A B G KS B ISO 7 1 RP . KS B ISO 7 1 G . . 1 ： mm a TD2 Td2 TD1 Td 25.4 mm P h d D d2 D2 d1 D1 A B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1/16 1/8 1/4 3/8 28 28 19 19 0.907 0.907 1.337 1.337
6、0.581 0.581 0.856 0.856 7.723 9.728 13.15716.6627.142 9.147 12.30115.8066.561 8.566 11.44514.9500 0 0 0 0.107 0.107 0.125 0.125 0.107 0.107 0.125 0.125 0.214 0.214 0.250 0.2500 0 0 0 0 0 0 0 0.282 0.282 0.445 0.445 0.214 0.214 0.250 0.2500 0 0 0 1/2 5/8 3/4 7/8 14 14 14 14 1.814 1.814 1.814 1.814 1.
7、162 1.162 1.162 1.162 20.95522.91126.44130.20119.79321.74925.27929.03918.63120.58724.11727.8770 0 0 0 0.142 0.142 0.142 0.142 0.142 0.142 0.142 0.142 0.284 0.284 0.284 0.2840 0 0 0 0 0 0 0 0.541 0.541 0.541 0.541 0.284 0.284 0.284 0.2840 0 0 0 1 1 1/81 1/41 1/211 11 11 11 2.309 2.309 2.309 2.309 1.4
8、79 1.479 1.479 1.479 33.24937.89741.91047.80331.77036.41840.43146.32430.29134.93938.95244.8450 0 0 0 0.180 0.180 0.180 0.180 0.180 0.180 0.180 0.180 0.360 0.360 0.360 0.3600 0 0 0 0 0 0 0 0.640 0.640 0.640 0.640 0.360 0.360 0.360 0.3600 0 0 0 1 3/42 2 1/42 1/211 11 11 11 2.309 2.309 2.309 2.309 1.47
9、9 1.479 1.479 1.479 53.74659.61465.71075.18452.26758.13564.23173.70550.78856.65662.75272.2260 0 0 0 0.180 0.180 0.217 0.217 0.180 0.180 0.217 0.217 0.360 0.360 0.434 0.4340 0 0 0 0 0 0 0 0.640 0.640 0.640 0.640 0.360 0.360 0.434 0.4340 0 0 0 2 3/43 3 1/24 11 11 11 11 2.309 2.309 2.309 2.309 1.479 1.
10、479 1.479 1.479 81.53487.884100.330113.03080.05586.40598.851111.55178.57684.92697.372110.0720 0 0 0 0.217 0.217 0.217 0.217 0.217 0.217 0.217 0.217 0.434 0.434 0.434 0.4340 0 0 0 0 0 0 0 0.640 0.640 0.640 0.640 0.434 0.434 0.434 0.4340 0 0 0 4 1/25 5 1/26 11 11 11 11 2.309 2.309 2.309 2.309 1.479 1.
11、479 1.479 1.479 125.730138.430151.130163.830124.251136.951149.651162.351122.772135.472148.172160.8720 0 0 0 0.217 0.217 0.217 0.217 0.217 0.217 0.217 0.217 0.434 0.434 0.434 0.4340 0 0 0 0 0 0 0 0.640 0.640 0.640 0.640 0.434 0.434 0.434 0.4340 0 0 0 a . 5KS B ISO 2281：2007KS B ISO 228 1： 2007 6 A (
12、) 2., 4., 6. KS B ISO 7 1 . KS B ISO 7 1 , ISO CEN EN ISO 228 1 . EN ISO 228 1 (ISO) , KS B ISO 7 1 . EN ISO 228 1 (EN) , prEN 10226 1 prEN 10226 2 . , 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ KS B ISO 228 1： 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Pipe threads where pressuretight joints are not made on the threadsPart 1： Dimensions, tolerances and designation ICS 21.040.30 Korean Agency for Technology and Standards http:/www.kats.go.kr
