1、KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS KS W ISO 8574 KS W ISO 8574 :2009 2009 12 10 http:/www.kats.go.krKS W ISO 8574:2009 : (http:/www.standard.go.kr) ： ：2009 12 10 2009-0791 ： ： - ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . ( ) ( ) () ( ) : KS W ISO 8574:2009 i 1 1 2 1 3 14 2 4.1 2 4.2 2 5
2、2 5.1 2 5.2 2 6 4 6.1 4 6.2 4 6.3 4 6.4 4 6.5 4 7 4 7.1 4 7.2 5 6 KS W ISO 8574:2009 7 AerospaceHydraulic system tubing Qualification tests for bent tubes KS W ISO 8574:2009 1990 1 ISO 8574, AerospaceHydraulic system tubingQualification tests for bent tubes . 1 . . KS W ISO 8575 . 2 . . ( ) . ISO 67
3、72, AerospaceFluid SystemsImpulse testing of hydraulic hose, tubing and fitting assemblies 3 . 3.1 , KS W ISO 8574:2009 2 3.2 6.1.2 4 4.1 ISO 6772 (6.3 ). 4.2 6.4 . 5 5.1 1 1( 2 .) . (R) . 5.2 5.2.1 . 5.2.2 (0.2 % ), . KS W ISO 8574:2009 3 L 1 +0.5 0 L 2 +0.25 0 +1 0 a 0.4 0.6 0.8 10 12 16 0.25 0.37
4、5 0.5 0.625 0.75 1 2.5 2.5 3.5 5.5 5.5 5.5 1.25 1.25 1.25 1.25 1.25 1.25 12 12 16 20 22 26 a ( ) 1/16 . 2 ( 1 ) inch L 1 +13 0 L 2 +6 0 +25 0 DN a DN06 DN10 DN12 DN16 DN20 DN25 6 10 12 16 20 25 65 65 90 140 140 140 30 30 30 30 30 30 300 300 400 510 570 670 aDN mm . 1 ( 1 ) mm 1 (S) aR 3 KS W ISO 857
5、4:2009 4 6 6.1 6.1.1 ISO 6772 (6.3 ), . , . 6.1.2 . , . 6.2 2 . 6.3 1 1 6 ISO 6772 . 6.4 1 1 2 . (150 000 37500)kPa/min (20000 5 000)psi/min . . 6.5 , . 7 7.1 . KS W ISO 8574:2009 5 200 000 . 7.2 , . KS W ISO 8574:2009 6 1 KS W ISO 8575, KS W ISO 8574:2009 7 KS W ISO 8574:2009 . 1 1.1 WTO/TBT . (ISO
6、) , ISO 8574, AerospaceHydraulic system tubingQualification tests for bent tubes .1.2 ISO 8574 ISO .2 . 153787 1 923(13) (02)26240114 (02)262401489 http：/Korean Agency for Technology and Standards http:/www.kats.go.kr KS W ISO 8574:2009KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS AerospaceHydraulic system tubing Qualification tests for bent tubes ICS 49.080
