1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS B 6967 2: KS B 6967:2008 2008 12 23 http:/www.kats.go.krKS B 6967:2008 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : : 2008 12 23 2008-0926 : : ( 0225097290) (http:/www.kats.go.kr). 10 5 , . KS B 6967:2008 2: Reliability test method for the vacuum valves P
2、art 2: Gate valves 1 1.1 . 1.2 ( ) . KS B 6387, KS B 6968 . 2 . . ( ) . KS A 0006, KS A 3004, KS A 5608 1, 1: KS A 5608 2, 2: KS A 5608 3, 3: KS B 6387, 1: KS B 6968, 3: KS M 6518, KS M 6784, KS I ISO 14644 1, 1: KS I ISO 14644 3, 3: KS Q 4001, RS D 0027, 3 KS A 3004, KS A 5608 1, KS A 5608 2, KS A
3、5608 3 KS Q 4001 . 3.1 . KS B 6967:2008 2 3.2 3.3 . 3.4 O- 3.5 (Weibull) 3.6 (mean time to failure) 3.7 B10 10 % 3.8 (confidence level) (: B10) , 3.9 (crack), (crevice), (hole) 3.10 (leak rate) . . 3.11 , 3.12 KS B 6967:2008 3 3.13 (outgassing) . , O- 3.14 (leak detection) . 3.15 (mass spectrometer)
4、 . (partial pressure) (: ) 3.16 (air cleanliness) ( /m3 , .) , KS I ISO 14644 1 . 3.17 (particle counter) 3.18 IRHD (International Rubber Hardness Degree) 4 4.1 , . . . , , (gate), (bellows), O- . 4.2 , , . 5 , , 15 . 6 KS B 6967:2008 4 , , . 6.1 1 . O- 2 . 1 7.2 . 7.3 . 7.4 . 15 2 O- IRHD (MPa) (%)
5、 7.5.2 7.5.3 7.5.3 IRHD (%) (%) 7.5.4.1 7.5.4.1 7.5.4.1 (%) 7.5.5 6.2 5 7.6 . 3 . 3 7.6.1 . . 7.6.2 . . 5 6.3 5 4 . B10 (5105 ) RS D 0027 . 1.1 , KS B 6967:2008 5 . 4 7.7 (0.50.025) MPa 5 100 000 , 25 %, 50 %, 75 %, 100 % . . . 5 100 % . 5 6.4 5 5 . 5 . 5 7.8 (0.50.025) MPa 5 100 000 , 25 %, 50 %, 7
6、5 %, 100 % . . 5 7 7.1 KS A 0006 . 7.2 A . 7.3 B . 7.4 C . 7.5 O- 7.5.1 KS B 6967:2008 6 KS M 6518 4. . 7.5.2 IRHD IRHD KS M 6784 7. . 7.5.2.1 KS M 6518 7.2.1 . 7.5.3 KS M 6518 5. . 7.5.4 KS M 6518 8.3 . 7.5.4.1 IRHD , IRHD , KS M 6518 8.7 . 7.5.5 O- KS M 6518 11. . 7.5.5.1 150 , 200 24 . 25 % . 7.6
7、 , . 7.6.1 1 . 20 , 20 , 1 300 . . , 20 . 1 150 O- . 2 200 O- . KS B 6967:2008 7 1 7.6.2 6 1 4 . , . 6 Hz min mm h 5 100 10 0.4 4 7.7 a) 2 , . b) , , , , . c) . d) . e) ( 5 %) . . f) . . g) 3 1 . (0.50.025) MPa , . 72 20 1 ( ) 72 20 72 KS B 6967:2008 8 h) 25 %, 50 %, 75 %, 100 % . i) ( 5 %) . , . j)
8、 , , , . k) . , e) j) . l) 100 000 . , , . m) . 7 . , . 1 5 9 2 6 10 3 7 11 4 8 2 1 2 35911678104KS B 6967:2008 9 3 7 mm N m 50 5 10 100 10 20 250 20 30 7.8 0.1 5 m . . a) 4 , . ( ) . b) (particle counter) . . c) 10 , (Cb) . d) . . e) 1 . (0.50.025) MPa , . f) 25 %, 50 %, 75 %, 100 % (Cp) , Cb100 %
9、0 % 2 1 2 2 2 KS B 6967:2008 10 (C Cp Cb) . g) C . , c) f) . h) 100 000 . , , , . 4 8 (KS I ISO 14644 1: 2007) KS I ISO (N) 0.1 m 0.2 m 0.3 m 0.5 m 1 m 5 m KS I ISO 1 10 2 KS I ISO 2 100 24 10 4 KS I ISO 3 1 000 237 102 35 8 KS I ISO 4 10 000 2 370 1 020 352 83 KS I ISO 5 100 000 23 700 10 200 3 520
10、 832 29 KS I ISO 6 1 000 000 237 000 102 000 35 200 8 320 293 KS I ISO 7 352 000 83 200 2 930 KS I ISO 8 3 520 000 832 000 29 300 KS I ISO 9 35 200 000 8 320 000 293 000 3 . 8 KS B 6967:2008 11 . a) ( , ) b) ( , , , ) c) ( , , ) d) e) f) g) h) KS B 6967:2008 12 A ( ) A.1 A.1.1 . A.1.2 (leak standard
11、 system) (standard leak) . A.2 KS B ISO 3530, ASME E 1603, Standard test methods for leakage measurement using the mass spectrometer leak detector or residual gas analyzer in the hood mode ASTM E 498, Standard test methods for leaks using the mass spectrometer leak detector or residual gas analyzer
12、in the trace probe mode A.3 A.3.1 (standard leak) . (permeation type leak) (capillary type leak) , . A.3.2 (virtual leak) . A.3.3 (mass spectrometer leak detector) . A.3.4 (trace gas, search gas) . A.3.5 (vent) . KS B 6967:2008 13 A.3.6 (Helium background signal) A.3.7 (repeatability) A.4 A.4.1 KS A
13、 0006 (231) . A.4.2 A.4.2.1 A.1 , . A.1 A.4.2.2 A.2 , . (He leak detector)HeKS B 6967:2008 14 A.2 A.4.3 , . . A.4.4 5 . A.4.5 a) , (231) 24 . b) , . c) 4 . d) . e) . A.4.6 a) . b) 10 (Rsc) . c) . 3 (Rso) Rs( Rso Rsc) . (He leak detector)HeKS B 6967:2008 15 d) b) c) (RTc) (RTo) RT( RTo RTc) . e) RTc
14、, RTo 1 . f) b) d) 5 . g) . STSTRRLL = (A.1) LT: LS: RT: RS: A.5 A.5.1 . (A.1) . LR RS RT (RT/RS) . A.1 LS(Pa L/s) RS(Pa L/s) RT(Pa L/s) LR(RT/RS) LT(Pa L/s) 1 1.37E 05 1.4E 05 4.2E 05 3.00 4.11E 05 2 1.37E 05 1.5E 05 4.2E 05 2.80 3.84E 05 3 1.37E 05 1.5E 05 4.2E 05 2.80 3.84E 05 4 1.37E 05 1.4E 05
15、4.0E 05 2.86 3.91E 05 5 1.37E 05 1.4E 05 4.0E 05 2.86 3.91E 05 1.37E 05 1.44E 05 4.12E 05 2.86 3.92E 05 a) , u(LR) :212RRR1018.8)(11)(i=niLLnLs (A.2) 2RR1066.3)()(=nLsLu (A.3) b) , u(LS) 95 % (k 2) . L/sPa1085.621037.12)()(76SS=LULu (A.4) c) , u(CR) 1.010 6Pa L/s , 1/2 KS B 6967:2008 16 . . L/sPa1089.232101)(76R=Cu (A.5) A.5.2 . A.2 Xi , xi (Pa L/s) u(xi) (Pa L/s) ci (Pa L/s) iLS1.3710 56.8510 7 2.86 1.9610 64 LR2.86 3.6610 2 1.3710 52.3910 74 CR 2.8910 7 1 2.8910 7