1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 6447 (fitting) KS M ISO 6447 :2009 2009 9 28 http:/www.kats.go.krKS M ISO 6447:2009 : ( ) ( ) ( ) () ( ) : (http:/www.standard.go.kr) ： ： 2004 5 3 ： 2009 9 28 2009-0580 ： ： ( 02-509-7300) (http:/www.kats.go.kr). 10 5 , . KS M ISO 6447:2009 (fitting
2、) Rubber sealsJoint rings used for gas supply pipes and fittings Specification for material 1983 1 ISO 6447, Rubber sealsJoint rings used for gas supply pipes and fittingsSpecification for material , . 1 50 ( ) (seal) . . , . , , , . , 5.7 . . 2 . . ( ) . KS M ISO 37, KS M ISO 48, (10 IRHD 100 IRHD
3、) KS M ISO 188, KS M ISO 471, , KS M ISO 812, KS M ISO 815, , KS M ISO 6447:2009 2 KS M ISO 1817, KS M ISO 33021, 1： KS M ISO 3384, ISO 1653, Rubber, vulcanizedDetermination of compression set at low temperatures ISO 2230：2002, Rubber productsGuidelines for storage ISO 4661, Rubber, vulcanized or th
4、ermoplasticPreparation of samples and test pieces 3 5 ( 1, 2 ). (preferred nominal hardness) 50, 60, 70, 80, 88 IRHD . . 4 4.1 (fittings) . 4.2 80 88 IRHD . 5 5.1 , KS M ISO 471 . ISO 4661 . , . 5.2 KS M ISO 48 “ (micro-test)” , 1 . KS M ISO 48 “ ” , “ ” . , 4 IRHD . . 91 IRHD , KS M ISO 48 . 5.3 KS
5、 M ISO 6447:2009 3 KS M ISO 37 2 . 2 . 1 . 1 , . 5.4 KS M ISO 815 , 70 1 . ISO 1653 , 5 (303) , 5 1 . , . 5.5 KS M ISO 188 70 7 5.2 5.3 , , 1 . 5.6 (stress relaxation in compression) , KS M ISO 3384 A , 7 1 . . 5.7 B 5.7.1 B 7 70 4 , KS M ISO 1817 , 1 . , B 7 1 . 5.7.2 5.2 KS M ISO 1817 , B 7 , 1 .
6、2 0 22 2 0 70 2 0 77 KS M ISO 6447:2009 4 1 50 60 70 80 88 IRHD 50 60 70 80 88 IRHD 4655 5665 6675 7684 8591 aIRHD 5 5 5 4 3 , MPa 9 10 10 10 10 , % 400 300 200 150 b100 b 70 , % 10 10 10 15 b15 b70 22 , % 20 20 20 20 b20 b5 70 , % 30 30 30 40 b40 b ：70 7 , IRHD 6 6 6 6 6 , % 15 15 15 15 15 , % 2510
7、 2510 2510 3010 4010 , 7 c% 15 15 15 15 b15 b B ： 7 , % 30 30 30 30 30 , IRHD 16 15 15 14 12 B ：70 4 , % 15 12 10 10 10 a , 3 IRHD . b 80 88 IRHD . c . .6 , . 6.1 , KS M ISO 3384 A , 90 2 . . , . 6.2 (low temperature brittleness) A KS M ISO 812 , 15 , 25 40 2 . KS M ISO 6447:2009 5 , . 2 50 60 70 80
8、 88 22 22 22 22 b22 b , a 90 ： 15, 25, 40 % . a . . b . 7 7.1 , . 7.2 . . 8 8.1 (workmanship) 8.1.1 . 8.1.2 , .(flash) . 8.2 . KS M ISO 33021 . 8.3 ISO 2230 . . , . KS M ISO 6447:2009 6 8.4 “G” . 8.5 8.5.1 , . 8.5.2 . (fitting) 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS M ISO 6447 :2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Rubber seals Joint rings used for gas supply pipes and fittings Specification for material ICS 83.140.50 Korean Agency for Technology and Standards http:/www.kats.go.kr
