KS B ISO 3821-2007 Gas welding equipment-Rubber hoses for welding cutting and allied processes《气焊设备 焊接、切割和同类工艺用橡胶软管》.pdf

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1、 KS B ISO 3821KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS , KS B ISO 3821 : 2007(2012 ) 2007 6 29 http:/www.kats.go.krKS B ISO 3821: 2007 : ( ) ( ) ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) : :2002 10 31 :2007 6 29 :2012 12 31 : 20120859 : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS B ISO 382

2、1: 2007 i 1998 3 ISO 3821, Gas welding equipment Rubber hoses for welding, cutting and allied processes . KS B ISO 3821 : 2007 (2012 ) , Gas welding equipmentRubber hoses for welding, cutting and allied processes 1 , (hose) . , , . 2 MPa(20 bar) 6.3 1 MPa (10 bar) . 20 60 . . 1 , . 2 ( ) . . 0.15 MP

3、a(1.5 bar) . 2 . . KS B ISO 11114 3: 2002, 3 : KS M ISO 37: 2002, KS M ISO 188: 2004, KS M ISO 471: 2002, , KS M ISO 1307: 2003, KS M ISO 1402: 2007, KS M ISO 1746: 2003, KS M ISO 1817: 2005, KS B ISO 3821: 2007 2 KS M ISO 4080: 2003, KS M ISO 4671: 2003, KS M ISO 4672: 2003, KS M ISO 7326: 2003, KS

4、 M ISO 8033: 2003, 3 3.1 . 1.5 mm 1 mm 3.2 , . 4 4.1 1 . 4.2 KS M ISO 4671 , 1 . 4.3 KS M ISO 1307 . KS B ISO 3821: 2007 3 1 , mm mm mm 4 4 5 5 6.3 6.3 0.55 1 8 8 10 10 0.65 12.5 12.5 16 16 0.7 1.25 20 20 25 25 0.75 32 32 1 40 40 50 50 1.25 1.5 1 ( 20 ) KS M ISO 1307(2003) . 2 , . 5 5.1 KS M ISO 37

5、2 . 2 MPa % (lining) 5 200 (cover) 7 250 5.2 KS M ISO 188( ) 70 7 2 25 %, 50 % . 5.3 , KS B ISO 11114 3 A . KS B ISO 11114 3 2 MPa(20 bar) 150 . KS B ISO 3821: 2007 4 A 3 2 360 365 , . 3 2 . 3 3 , 3 1 . 5.4 5.4.1 (DMF) 1 KS M ISO 471 70 KS M ISO 1817 8 % . 5.4.2 LPG1), MPS2) n B , n 15 % , 10 % . 6

6、6.1 KS M ISO 1402 , 3 . 3 6.3 1 MPa(10 bar) 2 MPa(20 bar) 2 MPa(20 bar) 4 MPa(40 bar) 3 MPa(30 bar) 6 MPa(60 bar) 5 % 10 % 6.2 2 4 KS M ISO 8033 1.5 kN/m . 6.3 KS M ISO 471 KS M ISO 1746 10 C( 80 mm) 0.8 K , (kink) 1) LPG: liquefied petroleum gases 2) MPS: methylacetylene propadiene mixtures KS B IS

7、O 3821: 2007 5 . 6.4 ( 252) 10 ( 80 mm) KS M ISO 4672(2003) B 3 ( ) . 6.5 ( ) , C 60 . 6.6 KS M ISO 7326(2003) , 2 . 6.7 LPG, MPS 0.6 MPa(6 bar) 95 % KS M ISO 471 23 , KS M ISO 4080 25 cm3/m/h . 6.8 . , ( 1 m 5 10 daN . .), . 7 7.1 . 7.2 4 . 5.4.1, 5.4.2 6.7 , , 4 . ( ). KS B ISO 3821: 2007 6 4 a(LP

8、G, MPS, , ) , , , CO2 LPG, MPS, , a . 7.3 1 m . : KS B ISO 3821 : MPa(bar) KS B ISO 3821: 2007 7 A ( ) A.1 A.1 . A.1.1 350 W, : 150 mm, 50 mm A.1.2 190 200 , A.1.3 15 , 0 5 L/min A.1.4 (mercury in glass) 150 mm ( 200 mm ), 5 300 400 A.2 (A.1.1) ( ). (A.1.2) 300 365 , (20.1) L/min . , 1.3 2.5 mm, 810

9、 mm3 . , . . . 2 , ( ) . , . KS B ISO 3821: 2007 8 3 . : mm 1 2 3 4 5 6 7 8 0.7 mm (200.5) mm A.1 6 9 mm , 0.75 1.25 mm 36 46 mm , 1 2 mm KS B ISO 3821: 2007 9 B ( ) n B.1 n 72 . n 50 . B.2 5 . 24 . B.3 n . a) 021mmm 100 b) 220mmm 100 m0: (g) m1: 5 (g) m2: 24 (g) KS B ISO 3821: 2007 10 C ( ) 500 mm

10、 C.2 ). ( 2.5 mm) 100 mm . ( ) 1 N , 0.1 MPa(1 bar) . 50 A, 2 V , 800 . . 50 A 2 V 1 2 3 4 5 6 7 2.5 mm CrNi C.1 3 2 176mVV 5A 4KS B ISO 3821: 2007 11 1 1 bar 2 2.5 mm CrNi 3 800 4 5 1 N C.2 1 1 N 2 18 8 CrNi C.3 1 5 4 2 3 1 2 , 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ KS B ISO 3821: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Gas welding equipmentRubber hoses for welding, cutting and allied processes ICS 25.160.30; 83.140.40 Korean Agency for Technology and Standards http:/www.kats.go.kr

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