1、 KS B ISO 9012 KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS B ISO 9012 : 2002 (2012 ) 2002 10 31 http:/www.kats.go.kr B ISO 9012 : 2002 ： ( ) ( ) ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2002 10 31 ：2012 12 31 20120859 ： ： ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . ICS 25.160.30 KS B ISO
2、9012： 2002(2012 ) Gas welding equipment Air-aspirated hand blowpipes Specifications and tests ISO 9012 Gas welding equipment Air-aspirated hand blowpipes Specifications and tests . 1. (air-aspirated) . , , , (allied thermal processes) . . (liquid-phase blowpipe) (injector) . (shank) . . 2. . . ISO 5
3、54 Standard atmospheres for conditioning and/or testing Specifications ISO 3253 Gas welding equipment Hose connections for equipment for welding, cutting and allied processes ISO 9090 Gas tightness of equipment for gas welding and allied processes ISO 9539 Materials for equipment used in gas welding
4、 cutting and allied processes 3. . 3.1 (injector) (blowpipe) (mixing zone)( 1 ) . B ISO 9012 : 2002 2 1 1 3.2 (sustained backfire) , . a) b) c) 3.3 4. a) ( 2 ) b) ( 3 ) c) ( 4 ) 1 2 B ISO 9012 : 2002 3 1 3 1 4 B ISO 9012 : 2002 4 1 1 4 a) 12 b) 13 c) 14 d) (bit) 15 (head) e) 16 f) 17 g) 18 h) 19 i)
5、 20 j) 21 k) ( ) 22 23 24 25 26 27 ( on/off) 5. 5.1 2 3 b) 4 i) . . . 4 i) . 5.1.1 2 3 b) 4 i) . ( 13) . 5.1.2 2 3 b) . 2 . a) ( 13 ) b) ( 24 ) 5.1.3 . 5.1.4 . 5.2 . 5.2.1 2 4 , g), h) 19 . B ISO 9012 : 2002 5 ( 3 16) . ( 3 25 ). 2, 3 4 . , . 5.2.2 ( 18) , . ( 2 16 ). . 2 c), d), 4 j), k) , 3 e), f)
6、 . 5.3 ( grip) . 5.4 6. 6.1 , . . 6.2 ISO 9539 . 6.3 . . . ( 2 3 24, 4 27 ). 6.4 , . . 7.3 2 . 2 (K) , , 30 , , 35 6.5 , . ISO 3253 . , (floating) . 6.6 , , 1.5 . 0.25 MPa(2.5 bar) . 7.4 8 cm3/h . a) B ISO 9012 : 2002 6 b) c) 7.5 5 000 a), b) 6.7 , 10 % . 6.8 7.7 . 6.9 . 6.10 150 L/h 7.8 . 6.11 . 7.
7、 205 , . 98 % . , ( ). 7.1 . 7.2 6.9 6.11 , . 7.3 , . , , , . . a) b) 50 % 30 0.2 K . . . . 7.4 ISO 9090 . 7.5 0.25 Hz( 15 cycle) 5 000 . . 7.6 . 1 . 3 % . B ISO 9012 : 2002 7 ISO 554 23 0.101 3 MPa(1.013 bar) , . 7.7 . 0.5 . . 3 % . 7.8 . (enclosed-flame type , flame protector . ) 0.05 MPa(0.5 bar)
8、 5 mm . 65 mm 1.4 m. . 7.9 . 8. . 8.1 , ( 9. ) . 8.2 , , , . 9. (code letter) . A H C M (LPG) (propane/butane) P F . . LPG P+ . 10. ( ) . a) b) c) d) e) ( ) ( ) B ISO 9012 : 2002 8 f) ( , ) g) ( ) h) i) j) 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ KS B ISO 9012： 2002KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Gas welding equipment Airaspirated hand blowpipes Specifications and tests ICS 25.160.30 Korean Agency for Technology and Standards http:/www.kats.go.kr
