1、KS B ISO 3253 KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS - , KS B ISO 3253 : 2002 (2012 ) 2002 10 31 http:/www.kats.go.kr B ISO 3253： 2002 ： ( ) ( ) () () () ( ) : (http:/www.standard.go.kr) ： ： 2002 10 31 ： 2012 12 31 2012 0859 ： ： ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . ICS 25.160.30 KS , B
2、ISO 3253： 2002(2012 ) Gas welding equipment Hose connections for equipment for welding, cutting and allied processes ISO 3253 Gas welding equipment Hose connections for equipment for welding, cutting and allied processes . 1. , . 2. . . ISO 228 1： 1994 Pipe threads where pressure-tight joints are no
3、t made on the threads Part 1： Dimensions, tolerances and designation ISO 261： 1998 ISO general-purpose metric screw threads General plan ISO 9539： 1998 Materials for equipment used in gas welding, cutting and allied processes 3. ISO 228 1 mm . (cone) (cone seal) ( 1 ). 1 (nipple) 2 3 1 1 2 3 B ISO 3
4、253： 2002 2 4. ISO 9539 . 5. 5.1 , 5.2, 5.3 5.4 . 5.2 2 1 . 2 1 (d1) D(1)a1(2) b1 JS15 d2 G 1/8 6.5 7.5 1.2 5 G 1/4 8.3 9.5 1.4 7 G 3/8 11.5 10.5 1.8 10 G 1/2 13.9 12 2 12 G 3/4 18.5 13.5 2.2 16 G 1 24 14.5 2.4 22 (1) ( ) (2) A . . ： ： ISO 261 1 . 5.3 3 2 . d2Dd1452a1b1X X a1B ISO 3253： 2002 3 a) b)
5、 (3) 3 2 (d1) b2 c1 JS15 d3 H12 d4 h14 h h14 s h11 G1/8 8 10 6.5 11 12 11 G1/4 10 12.5 9.5 17 15.5 17 G3/8 10.5 13.5 12.5 19 16.5 19 G1/2 13 16.5 14.5 24 20.5 24 G3/4 15 18.5 19.5 30 22.5 30 G1 17 21.5 25.5 41 26.5 41 . ： ： ISO 261 A . 5.4 4 3 . (3) b2h h s c1h/2 c1b1d1d3d4d3d1B ISO 3253： 2002 4 4 3
6、 (4) a2 h14 b3 h14 c2 D(5)d5 h12 d6 h12 d8 h12 e h14 r h14 3.2 4 5 G1/8 4.5 2 4 6.5 8 7 6 3 3.5 4 5 6.3 8 G1/4 5 2.5 5 8.3 11 9 9 3.5 4.5 5 6.3 8 10 G3/8 6 2.5 5 11.5 14.5 12.5 12 4 6.25 6.3 8 10 G1/2 6 3.5 6 13.9 18 15 14 4.5 7.5 10 12.5 16 G3/4 8 3.5 6 18.5 23.5 20 19 5.25 10 16 20 G1 10 4.5 7 24
7、29.75 26 25 6.5 13 (4) . (5) ( ) . d7 . d7 d2 . r e c2b3a2 d5d6Dd7d8B ISO 3253： 2002 5 , . ISO 261 1 . B ISO 3253： 2002 6 () ISO 261 . . , . 5 . 1.1 5.2 1 11 11 (d1P) D(1)a1(2) b1 JS15 d2 M121 M161.5 M201.5 6.9 11.2 15.2 8 9 11 1.4 1.5 1.0 3.5 7.0 10 60 (1) ( ) (2) 1.2 5.3 2 12 12 (d1P) b2 c1JS15 d3
8、H12 d4h14 h h14 s h11 M121 M161.5 M201.5 7 8 11 9 11 14 8 12 15 14 19 23 11 13 17 14 19 23 1.3 5.4 3 13 13 (3) (d1P) a2 h14 b3 h14 c2 D(4)d5 h12 d6 h12 d8 h12 e h14 r h14 6.3 M121 4.5 2 5 6.9 10.5 8 8 3 4 6.3 10 M161.5 4.5 2 5 11.2 14 13 12 3.2 6.5 10 12.5 M201.5 5 3 5 15.2 18 17.2 15 2.5 8.8 (3) .
9、(4) ( ) 0 5 , 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ KS B ISO 3253： 2002KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Gas welding equipment Hose connections for equipment for welding, cutting and allied processes ICS 25.160.30 Korean Agency for Technology and Standards http:/www.kats.go.kr
